Move server init into constructor

author: Anton Tananaev <anton.tananaev@gmail.com> 2018-10-17 17:08:59 +1300
committer: Anton Tananaev <anton.tananaev@gmail.com> 2018-10-17 17:08:59 +1300
commit: 61d4c1f15b645aa06c84905933108437e1ade92a (patch)
tree: 33ca5e2e7d262c6941d66a6c23ff37c2c32e7a8f /src/org
parent: ae32084f88df4436e1a2cdcb346ff1e7e286e369 (diff)
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184 files changed, 225 insertions, 1289 deletions
diff --git a/src/org/traccar/BaseProtocol.java b/src/org/traccar/BaseProtocol.java
index 6e44b7285..4ece8f848 100644
--- a/src/org/traccar/BaseProtocol.java
+++ b/src/org/traccar/BaseProtocol.java
@@ -24,6 +24,8 @@ import org.traccar.model.Command;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
 import java.util.Set;
 
 public abstract class BaseProtocol implements Protocol {
@@ -31,6 +33,7 @@ public abstract class BaseProtocol implements Protocol {
     private final String name;
     private final Set<String> supportedDataCommands = new HashSet<>();
     private final Set<String> supportedTextCommands = new HashSet<>();
+    private final List<TrackerServer> serverList = new LinkedList<>();
 
     private StringProtocolEncoder textCommandEncoder = null;
 
@@ -48,6 +51,15 @@ public abstract class BaseProtocol implements Protocol {
         return name;
     }
 
+    protected void addServer(TrackerServer server) {
+        serverList.add(server);
+    }
+
+    @Override
+    public Collection<TrackerServer> getServerList() {
+        return serverList;
+    }
+
     public void setSupportedDataCommands(String... commands) {
         supportedDataCommands.addAll(Arrays.asList(commands));
     }
diff --git a/src/org/traccar/Protocol.java b/src/org/traccar/Protocol.java
index c7aa67f9d..3b66f2598 100644
--- a/src/org/traccar/Protocol.java
+++ b/src/org/traccar/Protocol.java
@@ -19,18 +19,17 @@ import org.traccar.database.ActiveDevice;
 import org.traccar.model.Command;
 
 import java.util.Collection;
-import java.util.List;
 
 public interface Protocol {
 
     String getName();
 
+    Collection<TrackerServer> getServerList();
+
     Collection<String> getSupportedDataCommands();
 
     void sendDataCommand(ActiveDevice activeDevice, Command command);
 
-    void initTrackerServers(List<TrackerServer> serverList);
-
     Collection<String> getSupportedTextCommands();
 
     void sendTextCommand(String destAddress, Command command) throws Exception;
diff --git a/src/org/traccar/ServerManager.java b/src/org/traccar/ServerManager.java
index 17c572ae3..cdc679e8a 100644
--- a/src/org/traccar/ServerManager.java
+++ b/src/org/traccar/ServerManager.java
@@ -70,10 +70,11 @@ public class ServerManager {
 
         for (String name : names) {
             Class protocolClass = Class.forName(packageName + '.' + name);
-            if (BaseProtocol.class.isAssignableFrom(protocolClass)) {
-                BaseProtocol baseProtocol = (BaseProtocol) protocolClass.newInstance();
-                initProtocolServer(baseProtocol);
-                protocolList.put(baseProtocol.getName(), baseProtocol);
+            if (BaseProtocol.class.isAssignableFrom(protocolClass)
+                    && Context.getConfig().hasKey(BaseProtocol.nameFromClass(protocolClass) + ".port")) {
+                BaseProtocol protocol = (BaseProtocol) protocolClass.newInstance();
+                serverList.addAll(protocol.getServerList());
+                protocolList.put(protocol.getName(), protocol);
             }
         }
     }
@@ -99,10 +100,4 @@ public class ServerManager {
         GlobalTimer.release();
     }
 
-    private void initProtocolServer(final Protocol protocol) {
-        if (Context.getConfig().hasKey(protocol.getName() + ".port")) {
-            protocol.initTrackerServers(serverList);
-        }
-    }
-
 }
diff --git a/src/org/traccar/protocol/AdmProtocol.java b/src/org/traccar/protocol/AdmProtocol.java
index e91b80dcf..08f932ceb 100644
--- a/src/org/traccar/protocol/AdmProtocol.java
+++ b/src/org/traccar/protocol/AdmProtocol.java
@@ -23,7 +23,6 @@ import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
 import java.nio.ByteOrder;
-import java.util.List;
 
 public class AdmProtocol extends BaseProtocol {
 
@@ -31,11 +30,7 @@ public class AdmProtocol extends BaseProtocol {
         setSupportedDataCommands(
                 Command.TYPE_GET_DEVICE_STATUS,
                 Command.TYPE_CUSTOM);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 2, 1, -3, 0, true));
diff --git a/src/org/traccar/protocol/AisProtocol.java b/src/org/traccar/protocol/AisProtocol.java
index 27192139e..3b9cad7c8 100644
--- a/src/org/traccar/protocol/AisProtocol.java
+++ b/src/org/traccar/protocol/AisProtocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AisProtocol extends BaseProtocol {
 
     public AisProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringDecoder());
diff --git a/src/org/traccar/protocol/AlematicsProtocol.java b/src/org/traccar/protocol/AlematicsProtocol.java
index 7827df252..8da2356b9 100644
--- a/src/org/traccar/protocol/AlematicsProtocol.java
+++ b/src/org/traccar/protocol/AlematicsProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AlematicsProtocol extends BaseProtocol {
 
     public AlematicsProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new AlematicsFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/AnytrekProtocol.java b/src/org/traccar/protocol/AnytrekProtocol.java
index 535be7ce4..4ab5833f7 100644
--- a/src/org/traccar/protocol/AnytrekProtocol.java
+++ b/src/org/traccar/protocol/AnytrekProtocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AnytrekProtocol extends BaseProtocol {
 
     public AnytrekProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 2, 2, 2, 0));
diff --git a/src/org/traccar/protocol/ApelProtocol.java b/src/org/traccar/protocol/ApelProtocol.java
index e9a7d43e5..382aa16af 100644
--- a/src/org/traccar/protocol/ApelProtocol.java
+++ b/src/org/traccar/protocol/ApelProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.nio.ByteOrder;
-import java.util.List;
-
 public class ApelProtocol extends BaseProtocol {
 
     public ApelProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 2, 2, 4, 0, true));
diff --git a/src/org/traccar/protocol/AplicomProtocol.java b/src/org/traccar/protocol/AplicomProtocol.java
index d20ba7f36..2b9dbf97c 100644
--- a/src/org/traccar/protocol/AplicomProtocol.java
+++ b/src/org/traccar/protocol/AplicomProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AplicomProtocol extends BaseProtocol {
 
     public AplicomProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new AplicomFrameDecoder());
diff --git a/src/org/traccar/protocol/AppelloProtocol.java b/src/org/traccar/protocol/AppelloProtocol.java
index 41afbd5a4..1ca4168e4 100644
--- a/src/org/traccar/protocol/AppelloProtocol.java
+++ b/src/org/traccar/protocol/AppelloProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AppelloProtocol extends BaseProtocol {
 
     public AppelloProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/AppletProtocol.java b/src/org/traccar/protocol/AppletProtocol.java
index 6fde967dc..2297dca03 100644
--- a/src/org/traccar/protocol/AppletProtocol.java
+++ b/src/org/traccar/protocol/AppletProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AppletProtocol extends BaseProtocol {
 
     public AppletProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/AquilaProtocol.java b/src/org/traccar/protocol/AquilaProtocol.java
index e271b1fb7..5ca1ec091 100644
--- a/src/org/traccar/protocol/AquilaProtocol.java
+++ b/src/org/traccar/protocol/AquilaProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AquilaProtocol extends BaseProtocol {
 
     public AquilaProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/Ardi01Protocol.java b/src/org/traccar/protocol/Ardi01Protocol.java
index 5837e9b03..f7826430f 100644
--- a/src/org/traccar/protocol/Ardi01Protocol.java
+++ b/src/org/traccar/protocol/Ardi01Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Ardi01Protocol extends BaseProtocol {
 
     public Ardi01Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/ArknavProtocol.java b/src/org/traccar/protocol/ArknavProtocol.java
index 05cc8775c..3b485e4a5 100644
--- a/src/org/traccar/protocol/ArknavProtocol.java
+++ b/src/org/traccar/protocol/ArknavProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class ArknavProtocol extends BaseProtocol {
 
     public ArknavProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '\r'));
diff --git a/src/org/traccar/protocol/ArknavX8Protocol.java b/src/org/traccar/protocol/ArknavX8Protocol.java
index dd8d06516..a29bc1ad3 100644
--- a/src/org/traccar/protocol/ArknavX8Protocol.java
+++ b/src/org/traccar/protocol/ArknavX8Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class ArknavX8Protocol extends BaseProtocol {
 
     public ArknavX8Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, ';'));
diff --git a/src/org/traccar/protocol/ArnaviProtocol.java b/src/org/traccar/protocol/ArnaviProtocol.java
index 905138302..afe491865 100644
--- a/src/org/traccar/protocol/ArnaviProtocol.java
+++ b/src/org/traccar/protocol/ArnaviProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class ArnaviProtocol extends BaseProtocol {
 
     public ArnaviProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/AstraProtocol.java b/src/org/traccar/protocol/AstraProtocol.java
index 1496e2ebc..12b0dfb68 100644
--- a/src/org/traccar/protocol/AstraProtocol.java
+++ b/src/org/traccar/protocol/AstraProtocol.java
@@ -20,23 +20,17 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AstraProtocol extends BaseProtocol {
 
     public AstraProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 1, 2, -3, 0));
                 pipeline.addLast(new AstraProtocolDecoder(AstraProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new AstraProtocolDecoder(AstraProtocol.this));
diff --git a/src/org/traccar/protocol/At2000Protocol.java b/src/org/traccar/protocol/At2000Protocol.java
index e95d8ccaa..5894f3eab 100644
--- a/src/org/traccar/protocol/At2000Protocol.java
+++ b/src/org/traccar/protocol/At2000Protocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class At2000Protocol extends BaseProtocol {
 
     public At2000Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new At2000FrameDecoder());
diff --git a/src/org/traccar/protocol/AtrackProtocol.java b/src/org/traccar/protocol/AtrackProtocol.java
index 8f4d7d68e..8e5cfe9ff 100644
--- a/src/org/traccar/protocol/AtrackProtocol.java
+++ b/src/org/traccar/protocol/AtrackProtocol.java
@@ -20,18 +20,12 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class AtrackProtocol extends BaseProtocol {
 
     public AtrackProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_CUSTOM);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new AtrackFrameDecoder());
@@ -39,7 +33,7 @@ public class AtrackProtocol extends BaseProtocol {
                 pipeline.addLast(new AtrackProtocolDecoder(AtrackProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new AtrackProtocolEncoder());
diff --git a/src/org/traccar/protocol/AuroProtocol.java b/src/org/traccar/protocol/AuroProtocol.java
index 9a2b49856..b8ebdaa75 100644
--- a/src/org/traccar/protocol/AuroProtocol.java
+++ b/src/org/traccar/protocol/AuroProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AuroProtocol extends BaseProtocol {
 
     public AuroProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/AustinNbProtocol.java b/src/org/traccar/protocol/AustinNbProtocol.java
index 9ad71bbee..32bfc0aae 100644
--- a/src/org/traccar/protocol/AustinNbProtocol.java
+++ b/src/org/traccar/protocol/AustinNbProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AustinNbProtocol extends BaseProtocol {
 
     public AustinNbProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/AutoFonProtocol.java b/src/org/traccar/protocol/AutoFonProtocol.java
index 18ddf4d89..08b5edc7d 100644
--- a/src/org/traccar/protocol/AutoFonProtocol.java
+++ b/src/org/traccar/protocol/AutoFonProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AutoFonProtocol extends BaseProtocol {
 
     public AutoFonProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new AutoFonFrameDecoder());
diff --git a/src/org/traccar/protocol/AutoGradeProtocol.java b/src/org/traccar/protocol/AutoGradeProtocol.java
index 95a24901c..c6dbb681e 100644
--- a/src/org/traccar/protocol/AutoGradeProtocol.java
+++ b/src/org/traccar/protocol/AutoGradeProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AutoGradeProtocol extends BaseProtocol {
 
     public AutoGradeProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, ')'));
diff --git a/src/org/traccar/protocol/AutoTrackProtocol.java b/src/org/traccar/protocol/AutoTrackProtocol.java
index eea95fb0f..6aa7558bf 100644
--- a/src/org/traccar/protocol/AutoTrackProtocol.java
+++ b/src/org/traccar/protocol/AutoTrackProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.nio.ByteOrder;
-import java.util.List;
-
 public class AutoTrackProtocol extends BaseProtocol {
 
     public AutoTrackProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 5, 2, 2, 0, true));
diff --git a/src/org/traccar/protocol/AvemaProtocol.java b/src/org/traccar/protocol/AvemaProtocol.java
index 8f38d2252..dbfab4dea 100644
--- a/src/org/traccar/protocol/AvemaProtocol.java
+++ b/src/org/traccar/protocol/AvemaProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class AvemaProtocol extends BaseProtocol {
 
     public AvemaProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/Avl301Protocol.java b/src/org/traccar/protocol/Avl301Protocol.java
index 5e3a5efc0..71fc7cb26 100644
--- a/src/org/traccar/protocol/Avl301Protocol.java
+++ b/src/org/traccar/protocol/Avl301Protocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Avl301Protocol extends BaseProtocol {
 
     public Avl301Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(256, 2, 1, -3, 0));
diff --git a/src/org/traccar/protocol/BceProtocol.java b/src/org/traccar/protocol/BceProtocol.java
index 176fbecba..2078d7da5 100644
--- a/src/org/traccar/protocol/BceProtocol.java
+++ b/src/org/traccar/protocol/BceProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class BceProtocol extends BaseProtocol {
 
     public BceProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new BceFrameDecoder());
diff --git a/src/org/traccar/protocol/BlackKiteProtocol.java b/src/org/traccar/protocol/BlackKiteProtocol.java
index 94ebf67e7..617a24d7a 100644
--- a/src/org/traccar/protocol/BlackKiteProtocol.java
+++ b/src/org/traccar/protocol/BlackKiteProtocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class BlackKiteProtocol extends BaseProtocol {
 
     public BlackKiteProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new GalileoFrameDecoder());
diff --git a/src/org/traccar/protocol/BoxProtocol.java b/src/org/traccar/protocol/BoxProtocol.java
index ed7337c54..dfea15938 100644
--- a/src/org/traccar/protocol/BoxProtocol.java
+++ b/src/org/traccar/protocol/BoxProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class BoxProtocol extends BaseProtocol {
 
     public BoxProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '\r'));
diff --git a/src/org/traccar/protocol/CalAmpProtocol.java b/src/org/traccar/protocol/CalAmpProtocol.java
index 40997b31b..232e72a8c 100644
--- a/src/org/traccar/protocol/CalAmpProtocol.java
+++ b/src/org/traccar/protocol/CalAmpProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class CalAmpProtocol extends BaseProtocol {
 
     public CalAmpProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CalAmpProtocolDecoder(CalAmpProtocol.this));
diff --git a/src/org/traccar/protocol/CarTrackProtocol.java b/src/org/traccar/protocol/CarTrackProtocol.java
index d192103da..e340fba25 100644
--- a/src/org/traccar/protocol/CarTrackProtocol.java
+++ b/src/org/traccar/protocol/CarTrackProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class CarTrackProtocol extends BaseProtocol {
 
     public CarTrackProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "##"));
diff --git a/src/org/traccar/protocol/CarcellProtocol.java b/src/org/traccar/protocol/CarcellProtocol.java
index 13e5f1bff..0c305efcb 100644
--- a/src/org/traccar/protocol/CarcellProtocol.java
+++ b/src/org/traccar/protocol/CarcellProtocol.java
@@ -15,8 +15,6 @@
  */
 package org.traccar.protocol;
 
-import java.util.List;
-
 import io.netty.handler.codec.string.StringDecoder;
 import io.netty.handler.codec.string.StringEncoder;
 import org.traccar.BaseProtocol;
@@ -31,11 +29,7 @@ public class CarcellProtocol extends BaseProtocol {
         setSupportedDataCommands(
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_ENGINE_RESUME);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '\r'));
diff --git a/src/org/traccar/protocol/CarscopProtocol.java b/src/org/traccar/protocol/CarscopProtocol.java
index 0c09e0083..2c754a97f 100644
--- a/src/org/traccar/protocol/CarscopProtocol.java
+++ b/src/org/traccar/protocol/CarscopProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class CarscopProtocol extends BaseProtocol {
 
     public CarscopProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '^'));
diff --git a/src/org/traccar/protocol/CastelProtocol.java b/src/org/traccar/protocol/CastelProtocol.java
index b6cfd4ba6..9b854afc3 100644
--- a/src/org/traccar/protocol/CastelProtocol.java
+++ b/src/org/traccar/protocol/CastelProtocol.java
@@ -22,19 +22,13 @@ import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
 import java.nio.ByteOrder;
-import java.util.List;
-
 public class CastelProtocol extends BaseProtocol {
 
     public CastelProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_ENGINE_RESUME);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 2, 2, -4, 0, true));
@@ -42,7 +36,7 @@ public class CastelProtocol extends BaseProtocol {
                 pipeline.addLast(new CastelProtocolDecoder(CastelProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CastelProtocolEncoder());
diff --git a/src/org/traccar/protocol/CautelaProtocol.java b/src/org/traccar/protocol/CautelaProtocol.java
index 11cb3411b..452bdf8d4 100644
--- a/src/org/traccar/protocol/CautelaProtocol.java
+++ b/src/org/traccar/protocol/CautelaProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class CautelaProtocol extends BaseProtocol {
 
     public CautelaProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/CellocatorProtocol.java b/src/org/traccar/protocol/CellocatorProtocol.java
index 7b9686089..a52170dc9 100644
--- a/src/org/traccar/protocol/CellocatorProtocol.java
+++ b/src/org/traccar/protocol/CellocatorProtocol.java
@@ -20,18 +20,12 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class CellocatorProtocol extends BaseProtocol {
 
     public CellocatorProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_OUTPUT_CONTROL);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CellocatorFrameDecoder());
@@ -39,7 +33,7 @@ public class CellocatorProtocol extends BaseProtocol {
                 pipeline.addLast(new CellocatorProtocolDecoder(CellocatorProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CellocatorProtocolEncoder());
diff --git a/src/org/traccar/protocol/CguardProtocol.java b/src/org/traccar/protocol/CguardProtocol.java
index 324cf6898..9157ca35c 100644
--- a/src/org/traccar/protocol/CguardProtocol.java
+++ b/src/org/traccar/protocol/CguardProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class CguardProtocol extends BaseProtocol {
 
     public CguardProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/CityeasyProtocol.java b/src/org/traccar/protocol/CityeasyProtocol.java
index c9b267845..f4b49c9ff 100644
--- a/src/org/traccar/protocol/CityeasyProtocol.java
+++ b/src/org/traccar/protocol/CityeasyProtocol.java
@@ -21,8 +21,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class CityeasyProtocol extends BaseProtocol {
 
     public CityeasyProtocol() {
@@ -31,11 +29,7 @@ public class CityeasyProtocol extends BaseProtocol {
                 Command.TYPE_POSITION_PERIODIC,
                 Command.TYPE_POSITION_STOP,
                 Command.TYPE_SET_TIMEZONE);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 2, 2, -4, 0));
diff --git a/src/org/traccar/protocol/ContinentalProtocol.java b/src/org/traccar/protocol/ContinentalProtocol.java
index e90905e32..bc7928fba 100644
--- a/src/org/traccar/protocol/ContinentalProtocol.java
+++ b/src/org/traccar/protocol/ContinentalProtocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class ContinentalProtocol extends BaseProtocol {
 
     public ContinentalProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 2, 2, -4, 0));
diff --git a/src/org/traccar/protocol/CradlepointProtocol.java b/src/org/traccar/protocol/CradlepointProtocol.java
index c555822d6..4a09e0311 100644
--- a/src/org/traccar/protocol/CradlepointProtocol.java
+++ b/src/org/traccar/protocol/CradlepointProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class CradlepointProtocol extends BaseProtocol {
 
     public CradlepointProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/DishaProtocol.java b/src/org/traccar/protocol/DishaProtocol.java
index ec4298248..38f49cc05 100644
--- a/src/org/traccar/protocol/DishaProtocol.java
+++ b/src/org/traccar/protocol/DishaProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class DishaProtocol extends BaseProtocol {
 
     public DishaProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/DmtHttpProtocol.java b/src/org/traccar/protocol/DmtHttpProtocol.java
index 86f64c457..34568128f 100644
--- a/src/org/traccar/protocol/DmtHttpProtocol.java
+++ b/src/org/traccar/protocol/DmtHttpProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class DmtHttpProtocol extends BaseProtocol {
 
     public DmtHttpProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/DmtProtocol.java b/src/org/traccar/protocol/DmtProtocol.java
index 866dda81f..78a5243c0 100644
--- a/src/org/traccar/protocol/DmtProtocol.java
+++ b/src/org/traccar/protocol/DmtProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.nio.ByteOrder;
-import java.util.List;
-
 public class DmtProtocol extends BaseProtocol {
 
     public DmtProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 3, 2, 0, 0, true));
diff --git a/src/org/traccar/protocol/DwayProtocol.java b/src/org/traccar/protocol/DwayProtocol.java
index 4c807cf12..05fd8b6e7 100644
--- a/src/org/traccar/protocol/DwayProtocol.java
+++ b/src/org/traccar/protocol/DwayProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class DwayProtocol extends BaseProtocol {
 
     public DwayProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/EasyTrackProtocol.java b/src/org/traccar/protocol/EasyTrackProtocol.java
index 71965167f..74c636d06 100644
--- a/src/org/traccar/protocol/EasyTrackProtocol.java
+++ b/src/org/traccar/protocol/EasyTrackProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class EasyTrackProtocol extends BaseProtocol {
 
     public EasyTrackProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "#", "\r\n"));
diff --git a/src/org/traccar/protocol/EelinkProtocol.java b/src/org/traccar/protocol/EelinkProtocol.java
index dcfcb41a5..de4ea971b 100644
--- a/src/org/traccar/protocol/EelinkProtocol.java
+++ b/src/org/traccar/protocol/EelinkProtocol.java
@@ -21,8 +21,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class EelinkProtocol extends BaseProtocol {
 
     public EelinkProtocol() {
@@ -32,11 +30,7 @@ public class EelinkProtocol extends BaseProtocol {
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_ENGINE_RESUME,
                 Command.TYPE_REBOOT_DEVICE);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 3, 2));
@@ -44,7 +38,7 @@ public class EelinkProtocol extends BaseProtocol {
                 pipeline.addLast(new EelinkProtocolDecoder(EelinkProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new EelinkProtocolEncoder(true));
diff --git a/src/org/traccar/protocol/EgtsProtocol.java b/src/org/traccar/protocol/EgtsProtocol.java
index b45219ed2..5d4638f37 100644
--- a/src/org/traccar/protocol/EgtsProtocol.java
+++ b/src/org/traccar/protocol/EgtsProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class EgtsProtocol extends BaseProtocol {
 
     public EgtsProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new EgtsFrameDecoder());
diff --git a/src/org/traccar/protocol/EnforaProtocol.java b/src/org/traccar/protocol/EnforaProtocol.java
index 7e3a92698..3bbbee6a2 100644
--- a/src/org/traccar/protocol/EnforaProtocol.java
+++ b/src/org/traccar/protocol/EnforaProtocol.java
@@ -21,8 +21,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class EnforaProtocol extends BaseProtocol {
 
     public EnforaProtocol() {
@@ -30,11 +28,7 @@ public class EnforaProtocol extends BaseProtocol {
                 Command.TYPE_CUSTOM,
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_ENGINE_RESUME);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 0, 2, -2, 2));
diff --git a/src/org/traccar/protocol/EsealProtocol.java b/src/org/traccar/protocol/EsealProtocol.java
index b478976c6..7a27c617d 100644
--- a/src/org/traccar/protocol/EsealProtocol.java
+++ b/src/org/traccar/protocol/EsealProtocol.java
@@ -23,8 +23,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class EsealProtocol extends BaseProtocol {
 
     public EsealProtocol() {
@@ -32,11 +30,7 @@ public class EsealProtocol extends BaseProtocol {
                 Command.TYPE_CUSTOM,
                 Command.TYPE_ALARM_ARM,
                 Command.TYPE_ALARM_DISARM);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/EskyProtocol.java b/src/org/traccar/protocol/EskyProtocol.java
index 99573d888..aaa92da58 100644
--- a/src/org/traccar/protocol/EskyProtocol.java
+++ b/src/org/traccar/protocol/EskyProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class EskyProtocol extends BaseProtocol {
 
     public EskyProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new EskyFrameDecoder());
diff --git a/src/org/traccar/protocol/ExtremTracProtocol.java b/src/org/traccar/protocol/ExtremTracProtocol.java
index b0c2eb0ba..692fd4e99 100644
--- a/src/org/traccar/protocol/ExtremTracProtocol.java
+++ b/src/org/traccar/protocol/ExtremTracProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class ExtremTracProtocol extends BaseProtocol {
 
     public ExtremTracProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/FifotrackProtocol.java b/src/org/traccar/protocol/FifotrackProtocol.java
index 9c27cc792..5de581c7a 100644
--- a/src/org/traccar/protocol/FifotrackProtocol.java
+++ b/src/org/traccar/protocol/FifotrackProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class FifotrackProtocol extends BaseProtocol {
 
     public FifotrackProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/FlespiProtocol.java b/src/org/traccar/protocol/FlespiProtocol.java
index 59f0c1d8b..2c0729b76 100644
--- a/src/org/traccar/protocol/FlespiProtocol.java
+++ b/src/org/traccar/protocol/FlespiProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class FlespiProtocol extends BaseProtocol {
 
     public FlespiProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/FlexCommProtocol.java b/src/org/traccar/protocol/FlexCommProtocol.java
index 4926ec4fa..9343ebeb8 100644
--- a/src/org/traccar/protocol/FlexCommProtocol.java
+++ b/src/org/traccar/protocol/FlexCommProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class FlexCommProtocol extends BaseProtocol {
 
     public FlexCommProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new FixedLengthFrameDecoder(2 + 2 + 101 + 5));
diff --git a/src/org/traccar/protocol/FlextrackProtocol.java b/src/org/traccar/protocol/FlextrackProtocol.java
index 7c634949b..ddd1d58f0 100644
--- a/src/org/traccar/protocol/FlextrackProtocol.java
+++ b/src/org/traccar/protocol/FlextrackProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class FlextrackProtocol extends BaseProtocol {
 
     public FlextrackProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "\r"));
diff --git a/src/org/traccar/protocol/FoxProtocol.java b/src/org/traccar/protocol/FoxProtocol.java
index 48ece3901..9bac773b5 100644
--- a/src/org/traccar/protocol/FoxProtocol.java
+++ b/src/org/traccar/protocol/FoxProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class FoxProtocol extends BaseProtocol {
 
     public FoxProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "</fox>"));
diff --git a/src/org/traccar/protocol/FreedomProtocol.java b/src/org/traccar/protocol/FreedomProtocol.java
index b60fd12fb..bc6b92d5f 100644
--- a/src/org/traccar/protocol/FreedomProtocol.java
+++ b/src/org/traccar/protocol/FreedomProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class FreedomProtocol extends BaseProtocol {
 
     public FreedomProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/FreematicsProtocol.java b/src/org/traccar/protocol/FreematicsProtocol.java
index 20935388e..999b075a1 100644
--- a/src/org/traccar/protocol/FreematicsProtocol.java
+++ b/src/org/traccar/protocol/FreematicsProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class FreematicsProtocol extends BaseProtocol {
 
     public FreematicsProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/GalileoProtocol.java b/src/org/traccar/protocol/GalileoProtocol.java
index 2126bdf81..9b7fe1a4b 100644
--- a/src/org/traccar/protocol/GalileoProtocol.java
+++ b/src/org/traccar/protocol/GalileoProtocol.java
@@ -20,19 +20,13 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class GalileoProtocol extends BaseProtocol {
 
     public GalileoProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_CUSTOM,
                 Command.TYPE_OUTPUT_CONTROL);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new GalileoFrameDecoder());
diff --git a/src/org/traccar/protocol/GatorProtocol.java b/src/org/traccar/protocol/GatorProtocol.java
index 4a956deb5..ca81caefb 100644
--- a/src/org/traccar/protocol/GatorProtocol.java
+++ b/src/org/traccar/protocol/GatorProtocol.java
@@ -20,23 +20,17 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class GatorProtocol extends BaseProtocol {
 
     public GatorProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 3, 2));
                 pipeline.addLast(new GatorProtocolDecoder(GatorProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new GatorProtocolDecoder(GatorProtocol.this));
diff --git a/src/org/traccar/protocol/GenxProtocol.java b/src/org/traccar/protocol/GenxProtocol.java
index f3d388266..c87ba946a 100644
--- a/src/org/traccar/protocol/GenxProtocol.java
+++ b/src/org/traccar/protocol/GenxProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class GenxProtocol extends BaseProtocol {
 
     public GenxProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/Gl100Protocol.java b/src/org/traccar/protocol/Gl100Protocol.java
index 3c4230bda..063e606db 100644
--- a/src/org/traccar/protocol/Gl100Protocol.java
+++ b/src/org/traccar/protocol/Gl100Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Gl100Protocol extends BaseProtocol {
 
     public Gl100Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '\0'));
@@ -40,7 +34,7 @@ public class Gl100Protocol extends BaseProtocol {
                 pipeline.addLast(new Gl100ProtocolDecoder(Gl100Protocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/Gl200Protocol.java b/src/org/traccar/protocol/Gl200Protocol.java
index 0739b83ce..c5343dae0 100644
--- a/src/org/traccar/protocol/Gl200Protocol.java
+++ b/src/org/traccar/protocol/Gl200Protocol.java
@@ -22,8 +22,6 @@ import org.traccar.model.Command;
 
 import io.netty.handler.codec.string.StringEncoder;
 
-import java.util.List;
-
 public class Gl200Protocol extends BaseProtocol {
 
     public Gl200Protocol() {
@@ -33,11 +31,7 @@ public class Gl200Protocol extends BaseProtocol {
                 Command.TYPE_ENGINE_RESUME,
                 Command.TYPE_IDENTIFICATION,
                 Command.TYPE_REBOOT_DEVICE);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new Gl200FrameDecoder());
@@ -46,7 +40,7 @@ public class Gl200Protocol extends BaseProtocol {
                 pipeline.addLast(new Gl200ProtocolDecoder(Gl200Protocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/GlobalSatProtocol.java b/src/org/traccar/protocol/GlobalSatProtocol.java
index 056358e2d..5612515c9 100644
--- a/src/org/traccar/protocol/GlobalSatProtocol.java
+++ b/src/org/traccar/protocol/GlobalSatProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class GlobalSatProtocol extends BaseProtocol {
 
     public GlobalSatProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '!'));
diff --git a/src/org/traccar/protocol/GnxProtocol.java b/src/org/traccar/protocol/GnxProtocol.java
index 8a7b9a17f..3576bf805 100644
--- a/src/org/traccar/protocol/GnxProtocol.java
+++ b/src/org/traccar/protocol/GnxProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class GnxProtocol extends BaseProtocol {
 
     public GnxProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "\n\r"));
diff --git a/src/org/traccar/protocol/GoSafeProtocol.java b/src/org/traccar/protocol/GoSafeProtocol.java
index 1f3f25cb9..853b78a16 100644
--- a/src/org/traccar/protocol/GoSafeProtocol.java
+++ b/src/org/traccar/protocol/GoSafeProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class GoSafeProtocol extends BaseProtocol {
 
     public GoSafeProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '#'));
diff --git a/src/org/traccar/protocol/GotopProtocol.java b/src/org/traccar/protocol/GotopProtocol.java
index c86cdf890..07fe02248 100644
--- a/src/org/traccar/protocol/GotopProtocol.java
+++ b/src/org/traccar/protocol/GotopProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class GotopProtocol extends BaseProtocol {
 
     public GotopProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '#'));
diff --git a/src/org/traccar/protocol/Gps056Protocol.java b/src/org/traccar/protocol/Gps056Protocol.java
index 9b0e7e284..b6ab10a19 100644
--- a/src/org/traccar/protocol/Gps056Protocol.java
+++ b/src/org/traccar/protocol/Gps056Protocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Gps056Protocol extends BaseProtocol {
 
     public Gps056Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new Gps056FrameDecoder());
diff --git a/src/org/traccar/protocol/Gps103Protocol.java b/src/org/traccar/protocol/Gps103Protocol.java
index 6fbe71f08..d112c1170 100644
--- a/src/org/traccar/protocol/Gps103Protocol.java
+++ b/src/org/traccar/protocol/Gps103Protocol.java
@@ -23,8 +23,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class Gps103Protocol extends BaseProtocol {
 
     public Gps103Protocol() {
@@ -38,11 +36,7 @@ public class Gps103Protocol extends BaseProtocol {
                 Command.TYPE_ALARM_ARM,
                 Command.TYPE_ALARM_DISARM,
                 Command.TYPE_REQUEST_PHOTO);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(2048, "\r\n", "\n", ";", "*"));
@@ -52,7 +46,7 @@ public class Gps103Protocol extends BaseProtocol {
                 pipeline.addLast(new Gps103ProtocolDecoder(Gps103Protocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/GpsGateProtocol.java b/src/org/traccar/protocol/GpsGateProtocol.java
index 55b4462c2..a131b6f48 100644
--- a/src/org/traccar/protocol/GpsGateProtocol.java
+++ b/src/org/traccar/protocol/GpsGateProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class GpsGateProtocol extends BaseProtocol {
 
     public GpsGateProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "\0", "\n", "\r\n"));
diff --git a/src/org/traccar/protocol/GpsMarkerProtocol.java b/src/org/traccar/protocol/GpsMarkerProtocol.java
index e43a6c683..ad23ece48 100644
--- a/src/org/traccar/protocol/GpsMarkerProtocol.java
+++ b/src/org/traccar/protocol/GpsMarkerProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class GpsMarkerProtocol extends BaseProtocol {
 
     public GpsMarkerProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "\r"));
diff --git a/src/org/traccar/protocol/GpsmtaProtocol.java b/src/org/traccar/protocol/GpsmtaProtocol.java
index a6ded7289..ce6cc5929 100644
--- a/src/org/traccar/protocol/GpsmtaProtocol.java
+++ b/src/org/traccar/protocol/GpsmtaProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class GpsmtaProtocol extends BaseProtocol {
 
     public GpsmtaProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/GranitProtocol.java b/src/org/traccar/protocol/GranitProtocol.java
index 1ba244170..6785f2a2e 100644
--- a/src/org/traccar/protocol/GranitProtocol.java
+++ b/src/org/traccar/protocol/GranitProtocol.java
@@ -21,8 +21,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class GranitProtocol extends BaseProtocol {
 
     public GranitProtocol() {
@@ -34,11 +32,7 @@ public class GranitProtocol extends BaseProtocol {
         setSupportedTextCommands(
                 Command.TYPE_REBOOT_DEVICE,
                 Command.TYPE_POSITION_PERIODIC);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new GranitFrameDecoder());
diff --git a/src/org/traccar/protocol/Gt02Protocol.java b/src/org/traccar/protocol/Gt02Protocol.java
index 93c0009fc..f412ee720 100644
--- a/src/org/traccar/protocol/Gt02Protocol.java
+++ b/src/org/traccar/protocol/Gt02Protocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Gt02Protocol extends BaseProtocol {
 
     public Gt02Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(256, 2, 1, 2, 0));
diff --git a/src/org/traccar/protocol/Gt06Protocol.java b/src/org/traccar/protocol/Gt06Protocol.java
index dac8ffc7e..6e5435cd4 100644
--- a/src/org/traccar/protocol/Gt06Protocol.java
+++ b/src/org/traccar/protocol/Gt06Protocol.java
@@ -20,8 +20,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class Gt06Protocol extends BaseProtocol {
 
     public Gt06Protocol() {
@@ -29,11 +27,7 @@ public class Gt06Protocol extends BaseProtocol {
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_ENGINE_RESUME,
                 Command.TYPE_CUSTOM);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new Gt06FrameDecoder());
diff --git a/src/org/traccar/protocol/Gt30Protocol.java b/src/org/traccar/protocol/Gt30Protocol.java
index 18ef12fbc..aa4ad20b1 100644
--- a/src/org/traccar/protocol/Gt30Protocol.java
+++ b/src/org/traccar/protocol/Gt30Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Gt30Protocol extends BaseProtocol {
 
     public Gt30Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/H02Protocol.java b/src/org/traccar/protocol/H02Protocol.java
index 87982eef0..251beac5e 100644
--- a/src/org/traccar/protocol/H02Protocol.java
+++ b/src/org/traccar/protocol/H02Protocol.java
@@ -22,8 +22,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class H02Protocol extends BaseProtocol {
 
     public H02Protocol() {
@@ -34,11 +32,7 @@ public class H02Protocol extends BaseProtocol {
                 Command.TYPE_ENGINE_RESUME,
                 Command.TYPE_POSITION_PERIODIC
         );
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 int messageLength = Context.getConfig().getInteger(getName() + ".messageLength");
@@ -48,7 +42,7 @@ public class H02Protocol extends BaseProtocol {
                 pipeline.addLast(new H02ProtocolDecoder(H02Protocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/HaicomProtocol.java b/src/org/traccar/protocol/HaicomProtocol.java
index 77b8280aa..6e5760bd4 100644
--- a/src/org/traccar/protocol/HaicomProtocol.java
+++ b/src/org/traccar/protocol/HaicomProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class HaicomProtocol extends BaseProtocol {
 
     public HaicomProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '*'));
diff --git a/src/org/traccar/protocol/HomtecsProtocol.java b/src/org/traccar/protocol/HomtecsProtocol.java
index 7f7523946..34dbf0f51 100644
--- a/src/org/traccar/protocol/HomtecsProtocol.java
+++ b/src/org/traccar/protocol/HomtecsProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class HomtecsProtocol extends BaseProtocol {
 
     public HomtecsProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringDecoder());
diff --git a/src/org/traccar/protocol/HuaShengProtocol.java b/src/org/traccar/protocol/HuaShengProtocol.java
index 56eb1384c..103f2d501 100644
--- a/src/org/traccar/protocol/HuaShengProtocol.java
+++ b/src/org/traccar/protocol/HuaShengProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class HuaShengProtocol extends BaseProtocol {
 
     public HuaShengProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HuaShengFrameDecoder());
diff --git a/src/org/traccar/protocol/HuabaoProtocol.java b/src/org/traccar/protocol/HuabaoProtocol.java
index 0f02f488d..44c9f7ac7 100644
--- a/src/org/traccar/protocol/HuabaoProtocol.java
+++ b/src/org/traccar/protocol/HuabaoProtocol.java
@@ -20,19 +20,13 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class HuabaoProtocol extends BaseProtocol {
 
     public HuabaoProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_ENGINE_RESUME);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HuabaoFrameDecoder());
diff --git a/src/org/traccar/protocol/HunterProProtocol.java b/src/org/traccar/protocol/HunterProProtocol.java
index d6d8fdbfe..9f6424a57 100644
--- a/src/org/traccar/protocol/HunterProProtocol.java
+++ b/src/org/traccar/protocol/HunterProProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class HunterProProtocol extends BaseProtocol {
 
     public HunterProProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "\r"));
diff --git a/src/org/traccar/protocol/IdplProtocol.java b/src/org/traccar/protocol/IdplProtocol.java
index c80f8eb75..418178756 100644
--- a/src/org/traccar/protocol/IdplProtocol.java
+++ b/src/org/traccar/protocol/IdplProtocol.java
@@ -15,8 +15,6 @@
  */
 package org.traccar.protocol;
 
-import java.util.List;
-
 import io.netty.handler.codec.LineBasedFrameDecoder;
 import io.netty.handler.codec.string.StringDecoder;
 import io.netty.handler.codec.string.StringEncoder;
@@ -27,11 +25,7 @@ import org.traccar.TrackerServer;
 public class IdplProtocol extends BaseProtocol {
 
     public IdplProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/IntellitracProtocol.java b/src/org/traccar/protocol/IntellitracProtocol.java
index 2faa472c0..3abf40da7 100644
--- a/src/org/traccar/protocol/IntellitracProtocol.java
+++ b/src/org/traccar/protocol/IntellitracProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class IntellitracProtocol extends BaseProtocol {
 
     public IntellitracProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new IntellitracFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/ItsProtocol.java b/src/org/traccar/protocol/ItsProtocol.java
index 8ba723e36..f53600dc9 100644
--- a/src/org/traccar/protocol/ItsProtocol.java
+++ b/src/org/traccar/protocol/ItsProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class ItsProtocol extends BaseProtocol {
 
     public ItsProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '*'));
diff --git a/src/org/traccar/protocol/Ivt401Protocol.java b/src/org/traccar/protocol/Ivt401Protocol.java
index 960929641..fb44e4fe9 100644
--- a/src/org/traccar/protocol/Ivt401Protocol.java
+++ b/src/org/traccar/protocol/Ivt401Protocol.java
@@ -21,16 +21,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Ivt401Protocol extends BaseProtocol {
 
     public Ivt401Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, ';'));
diff --git a/src/org/traccar/protocol/JpKorjarProtocol.java b/src/org/traccar/protocol/JpKorjarProtocol.java
index a9fa61074..fe5b2480d 100644
--- a/src/org/traccar/protocol/JpKorjarProtocol.java
+++ b/src/org/traccar/protocol/JpKorjarProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class JpKorjarProtocol extends BaseProtocol {
 
     public JpKorjarProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, this.getName()) {
+        addServer(new TrackerServer(false, this.getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new JpKorjarFrameDecoder());
diff --git a/src/org/traccar/protocol/Jt600Protocol.java b/src/org/traccar/protocol/Jt600Protocol.java
index 6d9816c22..97c5fa6ce 100644
--- a/src/org/traccar/protocol/Jt600Protocol.java
+++ b/src/org/traccar/protocol/Jt600Protocol.java
@@ -21,8 +21,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class Jt600Protocol extends BaseProtocol {
 
     public Jt600Protocol() {
@@ -31,11 +29,7 @@ public class Jt600Protocol extends BaseProtocol {
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_SET_TIMEZONE,
                 Command.TYPE_REBOOT_DEVICE);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new Jt600FrameDecoder());
diff --git a/src/org/traccar/protocol/KenjiProtocol.java b/src/org/traccar/protocol/KenjiProtocol.java
index fb0eeeae6..90c0c511c 100644
--- a/src/org/traccar/protocol/KenjiProtocol.java
+++ b/src/org/traccar/protocol/KenjiProtocol.java
@@ -23,16 +23,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class KenjiProtocol extends BaseProtocol {
 
     public KenjiProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/KhdProtocol.java b/src/org/traccar/protocol/KhdProtocol.java
index 702897970..cec7158ed 100644
--- a/src/org/traccar/protocol/KhdProtocol.java
+++ b/src/org/traccar/protocol/KhdProtocol.java
@@ -21,19 +21,13 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class KhdProtocol extends BaseProtocol {
 
     public KhdProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_ENGINE_RESUME);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(512, 3, 2));
diff --git a/src/org/traccar/protocol/L100Protocol.java b/src/org/traccar/protocol/L100Protocol.java
index 12c4dc123..942029307 100644
--- a/src/org/traccar/protocol/L100Protocol.java
+++ b/src/org/traccar/protocol/L100Protocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class L100Protocol extends BaseProtocol {
 
     public L100Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new L100FrameDecoder());
diff --git a/src/org/traccar/protocol/LaipacProtocol.java b/src/org/traccar/protocol/LaipacProtocol.java
index 732cf3353..923b08a16 100644
--- a/src/org/traccar/protocol/LaipacProtocol.java
+++ b/src/org/traccar/protocol/LaipacProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class LaipacProtocol extends BaseProtocol {
 
     public LaipacProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/M2cProtocol.java b/src/org/traccar/protocol/M2cProtocol.java
index 0d22158a8..9de8526c3 100644
--- a/src/org/traccar/protocol/M2cProtocol.java
+++ b/src/org/traccar/protocol/M2cProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class M2cProtocol extends BaseProtocol {
 
     public M2cProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(32 * 1024, ']'));
diff --git a/src/org/traccar/protocol/M2mProtocol.java b/src/org/traccar/protocol/M2mProtocol.java
index af7a3bde2..dda328a59 100644
--- a/src/org/traccar/protocol/M2mProtocol.java
+++ b/src/org/traccar/protocol/M2mProtocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class M2mProtocol extends BaseProtocol {
 
     public M2mProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new FixedLengthFrameDecoder(23));
diff --git a/src/org/traccar/protocol/MaestroProtocol.java b/src/org/traccar/protocol/MaestroProtocol.java
index d423e626a..87453ce7d 100644
--- a/src/org/traccar/protocol/MaestroProtocol.java
+++ b/src/org/traccar/protocol/MaestroProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class MaestroProtocol extends BaseProtocol {
 
     public MaestroProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new FixedLengthFrameDecoder(160));
diff --git a/src/org/traccar/protocol/ManPowerProtocol.java b/src/org/traccar/protocol/ManPowerProtocol.java
index 8b28bfa72..49d8b1e9f 100644
--- a/src/org/traccar/protocol/ManPowerProtocol.java
+++ b/src/org/traccar/protocol/ManPowerProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class ManPowerProtocol extends BaseProtocol {
 
     public ManPowerProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, ';'));
diff --git a/src/org/traccar/protocol/MegastekProtocol.java b/src/org/traccar/protocol/MegastekProtocol.java
index 7418fee83..e9f5f9fde 100644
--- a/src/org/traccar/protocol/MegastekProtocol.java
+++ b/src/org/traccar/protocol/MegastekProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class MegastekProtocol extends BaseProtocol {
 
     public MegastekProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new MegastekFrameDecoder());
diff --git a/src/org/traccar/protocol/MeiligaoProtocol.java b/src/org/traccar/protocol/MeiligaoProtocol.java
index 7c5b8d8f1..c307c7318 100644
--- a/src/org/traccar/protocol/MeiligaoProtocol.java
+++ b/src/org/traccar/protocol/MeiligaoProtocol.java
@@ -20,8 +20,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class MeiligaoProtocol extends BaseProtocol {
 
     public MeiligaoProtocol() {
@@ -34,11 +32,7 @@ public class MeiligaoProtocol extends BaseProtocol {
                 Command.TYPE_SET_TIMEZONE,
                 Command.TYPE_REQUEST_PHOTO,
                 Command.TYPE_REBOOT_DEVICE);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new MeiligaoFrameDecoder());
@@ -46,7 +40,7 @@ public class MeiligaoProtocol extends BaseProtocol {
                 pipeline.addLast(new MeiligaoProtocolDecoder(MeiligaoProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new MeiligaoProtocolEncoder());
diff --git a/src/org/traccar/protocol/MeitrackProtocol.java b/src/org/traccar/protocol/MeitrackProtocol.java
index b0da50908..c887cd3a0 100644
--- a/src/org/traccar/protocol/MeitrackProtocol.java
+++ b/src/org/traccar/protocol/MeitrackProtocol.java
@@ -21,8 +21,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class MeitrackProtocol extends BaseProtocol {
 
     public MeitrackProtocol() {
@@ -34,11 +32,7 @@ public class MeitrackProtocol extends BaseProtocol {
                 Command.TYPE_ALARM_DISARM,
                 Command.TYPE_REQUEST_PHOTO,
                 Command.TYPE_SEND_SMS);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new MeitrackFrameDecoder());
@@ -47,7 +41,7 @@ public class MeitrackProtocol extends BaseProtocol {
                 pipeline.addLast(new MeitrackProtocolDecoder(MeitrackProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/MilesmateProtocol.java b/src/org/traccar/protocol/MilesmateProtocol.java
index b1b4ba2f3..822711603 100644
--- a/src/org/traccar/protocol/MilesmateProtocol.java
+++ b/src/org/traccar/protocol/MilesmateProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class MilesmateProtocol extends BaseProtocol {
 
     public MilesmateProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/MiniFinderProtocol.java b/src/org/traccar/protocol/MiniFinderProtocol.java
index db33c3f64..d4a154053 100644
--- a/src/org/traccar/protocol/MiniFinderProtocol.java
+++ b/src/org/traccar/protocol/MiniFinderProtocol.java
@@ -23,8 +23,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class MiniFinderProtocol extends BaseProtocol {
 
     public MiniFinderProtocol() {
@@ -40,11 +38,7 @@ public class MiniFinderProtocol extends BaseProtocol {
                 Command.TYPE_MODE_DEEP_SLEEP,
                 Command.TYPE_SOS_NUMBER,
                 Command.TYPE_SET_INDICATOR);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, ';'));
diff --git a/src/org/traccar/protocol/Mta6Protocol.java b/src/org/traccar/protocol/Mta6Protocol.java
index 80cba47a4..632a7df80 100644
--- a/src/org/traccar/protocol/Mta6Protocol.java
+++ b/src/org/traccar/protocol/Mta6Protocol.java
@@ -23,16 +23,10 @@ import org.traccar.Context;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Mta6Protocol extends BaseProtocol {
 
     public Mta6Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/MtxProtocol.java b/src/org/traccar/protocol/MtxProtocol.java
index 31eec3f88..44372ce83 100644
--- a/src/org/traccar/protocol/MtxProtocol.java
+++ b/src/org/traccar/protocol/MtxProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class MtxProtocol extends BaseProtocol {
 
     public MtxProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/MxtProtocol.java b/src/org/traccar/protocol/MxtProtocol.java
index 765342def..dbe43fe45 100644
--- a/src/org/traccar/protocol/MxtProtocol.java
+++ b/src/org/traccar/protocol/MxtProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class MxtProtocol extends BaseProtocol {
 
     public MxtProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                     pipeline.addLast(new MxtFrameDecoder());
diff --git a/src/org/traccar/protocol/NavigilProtocol.java b/src/org/traccar/protocol/NavigilProtocol.java
index 82db758cb..2c946c39f 100644
--- a/src/org/traccar/protocol/NavigilProtocol.java
+++ b/src/org/traccar/protocol/NavigilProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class NavigilProtocol extends BaseProtocol {
 
     public NavigilProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new NavigilFrameDecoder());
diff --git a/src/org/traccar/protocol/NavisProtocol.java b/src/org/traccar/protocol/NavisProtocol.java
index 687c5b334..83a9dc99d 100644
--- a/src/org/traccar/protocol/NavisProtocol.java
+++ b/src/org/traccar/protocol/NavisProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.nio.ByteOrder;
-import java.util.List;
-
 public class NavisProtocol extends BaseProtocol {
 
     public NavisProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 4096, 12, 2, 2, 0, true));
diff --git a/src/org/traccar/protocol/NoranProtocol.java b/src/org/traccar/protocol/NoranProtocol.java
index 9debed07f..9f3078d6d 100644
--- a/src/org/traccar/protocol/NoranProtocol.java
+++ b/src/org/traccar/protocol/NoranProtocol.java
@@ -20,8 +20,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class NoranProtocol extends BaseProtocol {
 
     public NoranProtocol() {
@@ -31,11 +29,7 @@ public class NoranProtocol extends BaseProtocol {
                 Command.TYPE_POSITION_STOP,
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_ENGINE_RESUME);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new NoranProtocolEncoder());
diff --git a/src/org/traccar/protocol/NvsProtocol.java b/src/org/traccar/protocol/NvsProtocol.java
index fed26655b..d319b22f3 100644
--- a/src/org/traccar/protocol/NvsProtocol.java
+++ b/src/org/traccar/protocol/NvsProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class NvsProtocol extends BaseProtocol {
 
     public NvsProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new NvsFrameDecoder());
diff --git a/src/org/traccar/protocol/ObdDongleProtocol.java b/src/org/traccar/protocol/ObdDongleProtocol.java
index 0cb289a71..10a55759b 100644
--- a/src/org/traccar/protocol/ObdDongleProtocol.java
+++ b/src/org/traccar/protocol/ObdDongleProtocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class ObdDongleProtocol extends BaseProtocol {
 
     public ObdDongleProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1099, 20, 2, 3, 0));
diff --git a/src/org/traccar/protocol/OigoProtocol.java b/src/org/traccar/protocol/OigoProtocol.java
index e090d8ace..5056f68aa 100644
--- a/src/org/traccar/protocol/OigoProtocol.java
+++ b/src/org/traccar/protocol/OigoProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class OigoProtocol extends BaseProtocol {
 
     public OigoProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new OigoProtocolDecoder(OigoProtocol.this));
diff --git a/src/org/traccar/protocol/OkoProtocol.java b/src/org/traccar/protocol/OkoProtocol.java
index 4507ba6cc..9571ccc48 100644
--- a/src/org/traccar/protocol/OkoProtocol.java
+++ b/src/org/traccar/protocol/OkoProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class OkoProtocol extends BaseProtocol {
 
     public OkoProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '}'));
diff --git a/src/org/traccar/protocol/OpenGtsProtocol.java b/src/org/traccar/protocol/OpenGtsProtocol.java
index 136d86692..5ef3260c6 100644
--- a/src/org/traccar/protocol/OpenGtsProtocol.java
+++ b/src/org/traccar/protocol/OpenGtsProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class OpenGtsProtocol extends BaseProtocol {
 
     public OpenGtsProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/OrionProtocol.java b/src/org/traccar/protocol/OrionProtocol.java
index 7cf7184f4..8485ae638 100644
--- a/src/org/traccar/protocol/OrionProtocol.java
+++ b/src/org/traccar/protocol/OrionProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class OrionProtocol extends BaseProtocol {
 
     public OrionProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new OrionFrameDecoder());
diff --git a/src/org/traccar/protocol/OsmAndProtocol.java b/src/org/traccar/protocol/OsmAndProtocol.java
index e1ce0755f..d3aa2fd6f 100644
--- a/src/org/traccar/protocol/OsmAndProtocol.java
+++ b/src/org/traccar/protocol/OsmAndProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class OsmAndProtocol extends BaseProtocol {
 
     public OsmAndProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/OwnTracksProtocol.java b/src/org/traccar/protocol/OwnTracksProtocol.java
index 76743406e..0086371d8 100644
--- a/src/org/traccar/protocol/OwnTracksProtocol.java
+++ b/src/org/traccar/protocol/OwnTracksProtocol.java
@@ -23,16 +23,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class OwnTracksProtocol extends BaseProtocol {
 
     public OwnTracksProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/PathAwayProtocol.java b/src/org/traccar/protocol/PathAwayProtocol.java
index ca81e0b2d..6b5d75c5e 100644
--- a/src/org/traccar/protocol/PathAwayProtocol.java
+++ b/src/org/traccar/protocol/PathAwayProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class PathAwayProtocol extends BaseProtocol {
 
     public PathAwayProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/PiligrimProtocol.java b/src/org/traccar/protocol/PiligrimProtocol.java
index 1b19253d4..d88c1ab72 100644
--- a/src/org/traccar/protocol/PiligrimProtocol.java
+++ b/src/org/traccar/protocol/PiligrimProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class PiligrimProtocol extends BaseProtocol {
 
     public PiligrimProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/PretraceProtocol.java b/src/org/traccar/protocol/PretraceProtocol.java
index ec498fbba..f753cbdb4 100644
--- a/src/org/traccar/protocol/PretraceProtocol.java
+++ b/src/org/traccar/protocol/PretraceProtocol.java
@@ -23,19 +23,13 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class PretraceProtocol extends BaseProtocol {
 
     public PretraceProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_CUSTOM,
                 Command.TYPE_POSITION_PERIODIC);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, ')'));
diff --git a/src/org/traccar/protocol/PricolProtocol.java b/src/org/traccar/protocol/PricolProtocol.java
index f39b6ff13..6821cd949 100644
--- a/src/org/traccar/protocol/PricolProtocol.java
+++ b/src/org/traccar/protocol/PricolProtocol.java
@@ -20,23 +20,17 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class PricolProtocol extends BaseProtocol {
 
     public PricolProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new FixedLengthFrameDecoder(64));
                 pipeline.addLast(new PricolProtocolDecoder(PricolProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new PricolProtocolDecoder(PricolProtocol.this));
diff --git a/src/org/traccar/protocol/ProgressProtocol.java b/src/org/traccar/protocol/ProgressProtocol.java
index a9732792c..aac84205d 100644
--- a/src/org/traccar/protocol/ProgressProtocol.java
+++ b/src/org/traccar/protocol/ProgressProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.nio.ByteOrder;
-import java.util.List;
-
 public class ProgressProtocol extends BaseProtocol {
 
     public ProgressProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 2, 2, 4, 0, true));
diff --git a/src/org/traccar/protocol/Pt3000Protocol.java b/src/org/traccar/protocol/Pt3000Protocol.java
index ca1a29b40..1ad0026a3 100644
--- a/src/org/traccar/protocol/Pt3000Protocol.java
+++ b/src/org/traccar/protocol/Pt3000Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Pt3000Protocol extends BaseProtocol {
 
     public Pt3000Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, 'd')); // probably wrong
diff --git a/src/org/traccar/protocol/Pt502Protocol.java b/src/org/traccar/protocol/Pt502Protocol.java
index b3f0fc3a0..5afb9451d 100644
--- a/src/org/traccar/protocol/Pt502Protocol.java
+++ b/src/org/traccar/protocol/Pt502Protocol.java
@@ -21,8 +21,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class Pt502Protocol extends BaseProtocol {
 
     public Pt502Protocol() {
@@ -32,11 +30,7 @@ public class Pt502Protocol extends BaseProtocol {
                 Command.TYPE_ALARM_SPEED,
                 Command.TYPE_OUTPUT_CONTROL,
                 Command.TYPE_REQUEST_PHOTO);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new Pt502FrameDecoder());
diff --git a/src/org/traccar/protocol/Pt60Protocol.java b/src/org/traccar/protocol/Pt60Protocol.java
index ca1eb9324..18ea2edb1 100644
--- a/src/org/traccar/protocol/Pt60Protocol.java
+++ b/src/org/traccar/protocol/Pt60Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Pt60Protocol extends BaseProtocol {
 
     public Pt60Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "@R#@"));
diff --git a/src/org/traccar/protocol/RaveonProtocol.java b/src/org/traccar/protocol/RaveonProtocol.java
index 13560931d..44faadb3b 100644
--- a/src/org/traccar/protocol/RaveonProtocol.java
+++ b/src/org/traccar/protocol/RaveonProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class RaveonProtocol extends BaseProtocol {
 
     public RaveonProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/RecodaProtocol.java b/src/org/traccar/protocol/RecodaProtocol.java
index 82019b4f5..0bc9870bc 100644
--- a/src/org/traccar/protocol/RecodaProtocol.java
+++ b/src/org/traccar/protocol/RecodaProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.nio.ByteOrder;
-import java.util.List;
-
 public class RecodaProtocol extends BaseProtocol {
 
     public RecodaProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 4, 4, -8, 0, true));
diff --git a/src/org/traccar/protocol/RetranslatorProtocol.java b/src/org/traccar/protocol/RetranslatorProtocol.java
index e66d17abb..fae81f7d2 100644
--- a/src/org/traccar/protocol/RetranslatorProtocol.java
+++ b/src/org/traccar/protocol/RetranslatorProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class RetranslatorProtocol extends BaseProtocol {
 
     public RetranslatorProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new RetranslatorFrameDecoder());
diff --git a/src/org/traccar/protocol/RitiProtocol.java b/src/org/traccar/protocol/RitiProtocol.java
index c70a0ebdf..de1026672 100644
--- a/src/org/traccar/protocol/RitiProtocol.java
+++ b/src/org/traccar/protocol/RitiProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
 import java.nio.ByteOrder;
-import java.util.List;
-
 public class RitiProtocol extends BaseProtocol {
 
     public RitiProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 105, 2, 3, 0, true));
diff --git a/src/org/traccar/protocol/RoboTrackProtocol.java b/src/org/traccar/protocol/RoboTrackProtocol.java
index 5dfc57541..c2c531293 100644
--- a/src/org/traccar/protocol/RoboTrackProtocol.java
+++ b/src/org/traccar/protocol/RoboTrackProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class RoboTrackProtocol extends BaseProtocol {
 
     public RoboTrackProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new RoboTrackFrameDecoder());
diff --git a/src/org/traccar/protocol/RuptelaProtocol.java b/src/org/traccar/protocol/RuptelaProtocol.java
index da1fad2ab..1ac62570a 100644
--- a/src/org/traccar/protocol/RuptelaProtocol.java
+++ b/src/org/traccar/protocol/RuptelaProtocol.java
@@ -21,8 +21,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class RuptelaProtocol extends BaseProtocol {
 
     public RuptelaProtocol() {
@@ -34,11 +32,7 @@ public class RuptelaProtocol extends BaseProtocol {
                 Command.TYPE_OUTPUT_CONTROL,
                 Command.TYPE_SET_CONNECTION,
                 Command.TYPE_SET_ODOMETER);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 0, 2, 2, 0));
diff --git a/src/org/traccar/protocol/SabertekProtocol.java b/src/org/traccar/protocol/SabertekProtocol.java
index 9d100b5f2..0ec847b60 100644
--- a/src/org/traccar/protocol/SabertekProtocol.java
+++ b/src/org/traccar/protocol/SabertekProtocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class SabertekProtocol extends BaseProtocol {
 
     public SabertekProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new SabertekFrameDecoder());
diff --git a/src/org/traccar/protocol/SanavProtocol.java b/src/org/traccar/protocol/SanavProtocol.java
index 7ab2a9284..6799c57e6 100644
--- a/src/org/traccar/protocol/SanavProtocol.java
+++ b/src/org/traccar/protocol/SanavProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class SanavProtocol extends BaseProtocol {
 
     public SanavProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringDecoder());
@@ -38,7 +32,7 @@ public class SanavProtocol extends BaseProtocol {
                 pipeline.addLast(new SanavProtocolDecoder(SanavProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringDecoder());
diff --git a/src/org/traccar/protocol/SigfoxProtocol.java b/src/org/traccar/protocol/SigfoxProtocol.java
index a6c4fc45f..e2f2cbe1f 100644
--- a/src/org/traccar/protocol/SigfoxProtocol.java
+++ b/src/org/traccar/protocol/SigfoxProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class SigfoxProtocol extends BaseProtocol {
 
     public SigfoxProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/SiwiProtocol.java b/src/org/traccar/protocol/SiwiProtocol.java
index 4a0eb1fae..8963721c8 100644
--- a/src/org/traccar/protocol/SiwiProtocol.java
+++ b/src/org/traccar/protocol/SiwiProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class SiwiProtocol extends BaseProtocol {
 
     public SiwiProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/SkypatrolProtocol.java b/src/org/traccar/protocol/SkypatrolProtocol.java
index 689477a6c..7c6203d86 100644
--- a/src/org/traccar/protocol/SkypatrolProtocol.java
+++ b/src/org/traccar/protocol/SkypatrolProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class SkypatrolProtocol extends BaseProtocol {
 
     public SkypatrolProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new SkypatrolProtocolDecoder(SkypatrolProtocol.this));
diff --git a/src/org/traccar/protocol/SmartSoleProtocol.java b/src/org/traccar/protocol/SmartSoleProtocol.java
index 911eca0bf..bcf43f68b 100644
--- a/src/org/traccar/protocol/SmartSoleProtocol.java
+++ b/src/org/traccar/protocol/SmartSoleProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class SmartSoleProtocol extends BaseProtocol {
 
     public SmartSoleProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '$'));
diff --git a/src/org/traccar/protocol/SmokeyProtocol.java b/src/org/traccar/protocol/SmokeyProtocol.java
index cd2bdec4e..482c8347c 100644
--- a/src/org/traccar/protocol/SmokeyProtocol.java
+++ b/src/org/traccar/protocol/SmokeyProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class SmokeyProtocol extends BaseProtocol {
 
     public SmokeyProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new SmokeyProtocolDecoder(SmokeyProtocol.this));
diff --git a/src/org/traccar/protocol/SpotProtocol.java b/src/org/traccar/protocol/SpotProtocol.java
index 6dbccd944..bbf0e8d8a 100644
--- a/src/org/traccar/protocol/SpotProtocol.java
+++ b/src/org/traccar/protocol/SpotProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class SpotProtocol extends BaseProtocol {
 
     public SpotProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new HttpResponseEncoder());
diff --git a/src/org/traccar/protocol/StarLinkProtocol.java b/src/org/traccar/protocol/StarLinkProtocol.java
index 30a9f322f..5630722ee 100644
--- a/src/org/traccar/protocol/StarLinkProtocol.java
+++ b/src/org/traccar/protocol/StarLinkProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class StarLinkProtocol extends BaseProtocol {
 
     public StarLinkProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/Stl060Protocol.java b/src/org/traccar/protocol/Stl060Protocol.java
index 95f4ac5a1..2711e936b 100644
--- a/src/org/traccar/protocol/Stl060Protocol.java
+++ b/src/org/traccar/protocol/Stl060Protocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Stl060Protocol extends BaseProtocol {
 
     public Stl060Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new Stl060FrameDecoder(1024));
diff --git a/src/org/traccar/protocol/SuntechProtocol.java b/src/org/traccar/protocol/SuntechProtocol.java
index f3737ddff..29ae114e7 100644
--- a/src/org/traccar/protocol/SuntechProtocol.java
+++ b/src/org/traccar/protocol/SuntechProtocol.java
@@ -23,8 +23,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class SuntechProtocol extends BaseProtocol {
 
     public SuntechProtocol() {
@@ -36,11 +34,7 @@ public class SuntechProtocol extends BaseProtocol {
                 Command.TYPE_ENGINE_RESUME,
                 Command.TYPE_ALARM_ARM,
                 Command.TYPE_ALARM_DISARM);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '\r'));
diff --git a/src/org/traccar/protocol/SupermateProtocol.java b/src/org/traccar/protocol/SupermateProtocol.java
index 3d7230427..46625ddc7 100644
--- a/src/org/traccar/protocol/SupermateProtocol.java
+++ b/src/org/traccar/protocol/SupermateProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class SupermateProtocol extends BaseProtocol {
 
     public SupermateProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "#"));
diff --git a/src/org/traccar/protocol/SviasProtocol.java b/src/org/traccar/protocol/SviasProtocol.java
index 073462a4d..c6624b7d4 100644
--- a/src/org/traccar/protocol/SviasProtocol.java
+++ b/src/org/traccar/protocol/SviasProtocol.java
@@ -22,7 +22,6 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
 import org.traccar.model.Command;
 
 public class SviasProtocol extends BaseProtocol {
@@ -37,11 +36,7 @@ public class SviasProtocol extends BaseProtocol {
                 Command.TYPE_ALARM_ARM,
                 Command.TYPE_ALARM_DISARM,
                 Command.TYPE_ALARM_REMOVE);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "]"));
diff --git a/src/org/traccar/protocol/T55Protocol.java b/src/org/traccar/protocol/T55Protocol.java
index d0028408e..f5ec19094 100644
--- a/src/org/traccar/protocol/T55Protocol.java
+++ b/src/org/traccar/protocol/T55Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class T55Protocol extends BaseProtocol {
 
     public T55Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
@@ -40,7 +34,7 @@ public class T55Protocol extends BaseProtocol {
                 pipeline.addLast(new T55ProtocolDecoder(T55Protocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringDecoder());
diff --git a/src/org/traccar/protocol/T57Protocol.java b/src/org/traccar/protocol/T57Protocol.java
index 41e717af8..f67f82318 100644
--- a/src/org/traccar/protocol/T57Protocol.java
+++ b/src/org/traccar/protocol/T57Protocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class T57Protocol extends BaseProtocol {
 
     public T57Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new T57FrameDecoder());
diff --git a/src/org/traccar/protocol/T800xProtocol.java b/src/org/traccar/protocol/T800xProtocol.java
index b27ffbcb7..85749d0cf 100644
--- a/src/org/traccar/protocol/T800xProtocol.java
+++ b/src/org/traccar/protocol/T800xProtocol.java
@@ -21,18 +21,12 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class T800xProtocol extends BaseProtocol {
 
     public T800xProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_CUSTOM);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 3, 2, -5, 0));
diff --git a/src/org/traccar/protocol/TaipProtocol.java b/src/org/traccar/protocol/TaipProtocol.java
index 62b7b17f3..b8f40a183 100644
--- a/src/org/traccar/protocol/TaipProtocol.java
+++ b/src/org/traccar/protocol/TaipProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TaipProtocol extends BaseProtocol {
 
     public TaipProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '<'));
@@ -40,7 +34,7 @@ public class TaipProtocol extends BaseProtocol {
                 pipeline.addLast(new TaipProtocolDecoder(TaipProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringDecoder());
diff --git a/src/org/traccar/protocol/TekProtocol.java b/src/org/traccar/protocol/TekProtocol.java
index 2c0a59909..c1d78e6f5 100644
--- a/src/org/traccar/protocol/TekProtocol.java
+++ b/src/org/traccar/protocol/TekProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TekProtocol extends BaseProtocol {
 
     public TekProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new TekFrameDecoder());
diff --git a/src/org/traccar/protocol/TelemaxProtocol.java b/src/org/traccar/protocol/TelemaxProtocol.java
index 9222755ea..838da9df1 100644
--- a/src/org/traccar/protocol/TelemaxProtocol.java
+++ b/src/org/traccar/protocol/TelemaxProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TelemaxProtocol extends BaseProtocol {
 
     public TelemaxProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/TelicProtocol.java b/src/org/traccar/protocol/TelicProtocol.java
index 694cb4e99..991befa19 100644
--- a/src/org/traccar/protocol/TelicProtocol.java
+++ b/src/org/traccar/protocol/TelicProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TelicProtocol extends BaseProtocol {
 
     public TelicProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new TelicFrameDecoder());
diff --git a/src/org/traccar/protocol/TeltonikaProtocol.java b/src/org/traccar/protocol/TeltonikaProtocol.java
index 33d26be45..eef9662d7 100644
--- a/src/org/traccar/protocol/TeltonikaProtocol.java
+++ b/src/org/traccar/protocol/TeltonikaProtocol.java
@@ -20,18 +20,12 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class TeltonikaProtocol extends BaseProtocol {
 
     public TeltonikaProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_CUSTOM);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new TeltonikaFrameDecoder());
@@ -39,7 +33,7 @@ public class TeltonikaProtocol extends BaseProtocol {
                 pipeline.addLast(new TeltonikaProtocolDecoder(TeltonikaProtocol.this, false));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new TeltonikaProtocolEncoder());
diff --git a/src/org/traccar/protocol/TeltonikaProtocolDecoder.java b/src/org/traccar/protocol/TeltonikaProtocolDecoder.java
index 6eac52585..5c3af026c 100644
--- a/src/org/traccar/protocol/TeltonikaProtocolDecoder.java
+++ b/src/org/traccar/protocol/TeltonikaProtocolDecoder.java
@@ -23,6 +23,7 @@ import org.traccar.BaseProtocolDecoder;
 import org.traccar.Context;
 import org.traccar.DeviceSession;
 import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
 import org.traccar.helper.BitUtil;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.CellTower;
@@ -44,7 +45,7 @@ public class TeltonikaProtocolDecoder extends BaseProtocolDecoder {
         this.extended = extended;
     }
 
-    public TeltonikaProtocolDecoder(TeltonikaProtocol protocol, boolean connectionless) {
+    public TeltonikaProtocolDecoder(Protocol protocol, boolean connectionless) {
         super(protocol);
         this.connectionless = connectionless;
         this.extended = Context.getConfig().getBoolean(getProtocolName() + ".extended");
diff --git a/src/org/traccar/protocol/ThinkRaceProtocol.java b/src/org/traccar/protocol/ThinkRaceProtocol.java
index af3e2a940..ca1237cef 100644
--- a/src/org/traccar/protocol/ThinkRaceProtocol.java
+++ b/src/org/traccar/protocol/ThinkRaceProtocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class ThinkRaceProtocol extends BaseProtocol {
 
     public ThinkRaceProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 2 + 12 + 1 + 1, 2, 2, 0));
diff --git a/src/org/traccar/protocol/Tk102Protocol.java b/src/org/traccar/protocol/Tk102Protocol.java
index 782d55346..9f2463cd6 100644
--- a/src/org/traccar/protocol/Tk102Protocol.java
+++ b/src/org/traccar/protocol/Tk102Protocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Tk102Protocol extends BaseProtocol {
 
     public Tk102Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 1 + 1 + 10, 1, 1, 0));
diff --git a/src/org/traccar/protocol/Tk103Protocol.java b/src/org/traccar/protocol/Tk103Protocol.java
index 51cbd16b1..66136cf6f 100644
--- a/src/org/traccar/protocol/Tk103Protocol.java
+++ b/src/org/traccar/protocol/Tk103Protocol.java
@@ -23,8 +23,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class Tk103Protocol extends BaseProtocol {
 
     public Tk103Protocol() {
@@ -46,11 +44,7 @@ public class Tk103Protocol extends BaseProtocol {
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_ENGINE_RESUME,
                 Command.TYPE_OUTPUT_CONTROL);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new Tk103FrameDecoder());
@@ -60,7 +54,7 @@ public class Tk103Protocol extends BaseProtocol {
                 pipeline.addLast(new Tk103ProtocolDecoder(Tk103Protocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringDecoder());
diff --git a/src/org/traccar/protocol/Tlt2hProtocol.java b/src/org/traccar/protocol/Tlt2hProtocol.java
index 7ceec9e2f..12fd92afa 100644
--- a/src/org/traccar/protocol/Tlt2hProtocol.java
+++ b/src/org/traccar/protocol/Tlt2hProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Tlt2hProtocol extends BaseProtocol {
 
     public Tlt2hProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(32 * 1024, "##\r\n"));
diff --git a/src/org/traccar/protocol/TlvProtocol.java b/src/org/traccar/protocol/TlvProtocol.java
index 68793d694..94f5da94f 100644
--- a/src/org/traccar/protocol/TlvProtocol.java
+++ b/src/org/traccar/protocol/TlvProtocol.java
@@ -20,16 +20,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TlvProtocol extends BaseProtocol {
 
     public TlvProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '\0'));
diff --git a/src/org/traccar/protocol/TmgProtocol.java b/src/org/traccar/protocol/TmgProtocol.java
index b3388b027..020332ce7 100644
--- a/src/org/traccar/protocol/TmgProtocol.java
+++ b/src/org/traccar/protocol/TmgProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TmgProtocol extends BaseProtocol {
 
     public TmgProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new TmgFrameDecoder());
diff --git a/src/org/traccar/protocol/TopflytechProtocol.java b/src/org/traccar/protocol/TopflytechProtocol.java
index 1b233b4ad..303072bdb 100644
--- a/src/org/traccar/protocol/TopflytechProtocol.java
+++ b/src/org/traccar/protocol/TopflytechProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TopflytechProtocol extends BaseProtocol {
 
     public TopflytechProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, ')'));
diff --git a/src/org/traccar/protocol/TotemProtocol.java b/src/org/traccar/protocol/TotemProtocol.java
index a32471d40..66e1ec4f1 100644
--- a/src/org/traccar/protocol/TotemProtocol.java
+++ b/src/org/traccar/protocol/TotemProtocol.java
@@ -22,8 +22,6 @@ import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 import org.traccar.model.Command;
 
-import java.util.List;
-
 public class TotemProtocol extends BaseProtocol {
 
     public TotemProtocol() {
@@ -31,11 +29,7 @@ public class TotemProtocol extends BaseProtocol {
                 Command.TYPE_ENGINE_RESUME,
                 Command.TYPE_ENGINE_STOP
         );
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new TotemFrameDecoder());
diff --git a/src/org/traccar/protocol/Tr20Protocol.java b/src/org/traccar/protocol/Tr20Protocol.java
index 2390ce5b1..3eee9d9c3 100644
--- a/src/org/traccar/protocol/Tr20Protocol.java
+++ b/src/org/traccar/protocol/Tr20Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Tr20Protocol extends BaseProtocol {
 
     public Tr20Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/Tr900Protocol.java b/src/org/traccar/protocol/Tr900Protocol.java
index 41af70f8b..b70521b35 100644
--- a/src/org/traccar/protocol/Tr900Protocol.java
+++ b/src/org/traccar/protocol/Tr900Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Tr900Protocol extends BaseProtocol {
 
     public Tr900Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
@@ -40,7 +34,7 @@ public class Tr900Protocol extends BaseProtocol {
                 pipeline.addLast(new Tr900ProtocolDecoder(Tr900Protocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/TrackboxProtocol.java b/src/org/traccar/protocol/TrackboxProtocol.java
index d364fb4ff..5da5abd64 100644
--- a/src/org/traccar/protocol/TrackboxProtocol.java
+++ b/src/org/traccar/protocol/TrackboxProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TrackboxProtocol extends BaseProtocol {
 
     public TrackboxProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/TrakMateProtocol.java b/src/org/traccar/protocol/TrakMateProtocol.java
index e6f80d974..bda5df10f 100644
--- a/src/org/traccar/protocol/TrakMateProtocol.java
+++ b/src/org/traccar/protocol/TrakMateProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TrakMateProtocol extends BaseProtocol {
 
     public TrakMateProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '#'));
diff --git a/src/org/traccar/protocol/TramigoProtocol.java b/src/org/traccar/protocol/TramigoProtocol.java
index 0dde2c08b..f683ccc5d 100644
--- a/src/org/traccar/protocol/TramigoProtocol.java
+++ b/src/org/traccar/protocol/TramigoProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TramigoProtocol extends BaseProtocol {
 
     public TramigoProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new TramigoFrameDecoder());
diff --git a/src/org/traccar/protocol/TrvProtocol.java b/src/org/traccar/protocol/TrvProtocol.java
index ba0e3f7db..99a164cf1 100644
--- a/src/org/traccar/protocol/TrvProtocol.java
+++ b/src/org/traccar/protocol/TrvProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TrvProtocol extends BaseProtocol {
 
     public TrvProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '#'));
diff --git a/src/org/traccar/protocol/Tt8850Protocol.java b/src/org/traccar/protocol/Tt8850Protocol.java
index 14f617406..66a13da9e 100644
--- a/src/org/traccar/protocol/Tt8850Protocol.java
+++ b/src/org/traccar/protocol/Tt8850Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Tt8850Protocol extends BaseProtocol {
 
     public Tt8850Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "$"));
diff --git a/src/org/traccar/protocol/TytanProtocol.java b/src/org/traccar/protocol/TytanProtocol.java
index 13eed8e0f..32e9acae1 100644
--- a/src/org/traccar/protocol/TytanProtocol.java
+++ b/src/org/traccar/protocol/TytanProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class TytanProtocol extends BaseProtocol {
 
     public TytanProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new TytanProtocolDecoder(TytanProtocol.this));
diff --git a/src/org/traccar/protocol/TzoneProtocol.java b/src/org/traccar/protocol/TzoneProtocol.java
index 0dfb6c2f5..6e855d138 100644
--- a/src/org/traccar/protocol/TzoneProtocol.java
+++ b/src/org/traccar/protocol/TzoneProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.TrackerServer;
 
 import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
 
-import java.util.List;
-
 public class TzoneProtocol extends BaseProtocol {
 
     public TzoneProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(256, 2, 2, 2, 0));
diff --git a/src/org/traccar/protocol/UlbotechProtocol.java b/src/org/traccar/protocol/UlbotechProtocol.java
index d24e09f7e..b99ec1cc6 100644
--- a/src/org/traccar/protocol/UlbotechProtocol.java
+++ b/src/org/traccar/protocol/UlbotechProtocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class UlbotechProtocol extends BaseProtocol {
 
     public UlbotechProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new UlbotechFrameDecoder());
diff --git a/src/org/traccar/protocol/UproProtocol.java b/src/org/traccar/protocol/UproProtocol.java
index 53446df6d..4e60ffeb6 100644
--- a/src/org/traccar/protocol/UproProtocol.java
+++ b/src/org/traccar/protocol/UproProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class UproProtocol extends BaseProtocol {
 
     public UproProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '#'));
diff --git a/src/org/traccar/protocol/V680Protocol.java b/src/org/traccar/protocol/V680Protocol.java
index 63b084868..dc0922cd4 100644
--- a/src/org/traccar/protocol/V680Protocol.java
+++ b/src/org/traccar/protocol/V680Protocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class V680Protocol extends BaseProtocol {
 
     public V680Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "##"));
@@ -40,7 +34,7 @@ public class V680Protocol extends BaseProtocol {
                 pipeline.addLast(new V680ProtocolDecoder(V680Protocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringDecoder());
diff --git a/src/org/traccar/protocol/VisiontekProtocol.java b/src/org/traccar/protocol/VisiontekProtocol.java
index 9ae328bc3..2c6af45a8 100644
--- a/src/org/traccar/protocol/VisiontekProtocol.java
+++ b/src/org/traccar/protocol/VisiontekProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.CharacterDelimiterFrameDecoder;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class VisiontekProtocol extends BaseProtocol {
 
     public VisiontekProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '#'));
diff --git a/src/org/traccar/protocol/Vt200Protocol.java b/src/org/traccar/protocol/Vt200Protocol.java
index eafc3d096..2a9ef6ab5 100644
--- a/src/org/traccar/protocol/Vt200Protocol.java
+++ b/src/org/traccar/protocol/Vt200Protocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Vt200Protocol extends BaseProtocol {
 
     public Vt200Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new Vt200FrameDecoder());
diff --git a/src/org/traccar/protocol/VtfmsProtocol.java b/src/org/traccar/protocol/VtfmsProtocol.java
index 8247a9ea3..2826a86e6 100644
--- a/src/org/traccar/protocol/VtfmsProtocol.java
+++ b/src/org/traccar/protocol/VtfmsProtocol.java
@@ -21,16 +21,10 @@ import org.traccar.TrackerServer;
 
 import io.netty.handler.codec.string.StringDecoder;
 
-import java.util.List;
-
 public class VtfmsProtocol extends BaseProtocol {
 
     public VtfmsProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new VtfmsFrameDecoder());
@@ -38,7 +32,7 @@ public class VtfmsProtocol extends BaseProtocol {
                 pipeline.addLast(new VtfmsProtocolDecoder(VtfmsProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringDecoder());
diff --git a/src/org/traccar/protocol/WatchProtocol.java b/src/org/traccar/protocol/WatchProtocol.java
index 1c4b0fb8e..926d2826d 100644
--- a/src/org/traccar/protocol/WatchProtocol.java
+++ b/src/org/traccar/protocol/WatchProtocol.java
@@ -22,8 +22,6 @@ import org.traccar.model.Command;
 
 import io.netty.handler.codec.string.StringEncoder;
 
-import java.util.List;
-
 public class WatchProtocol extends BaseProtocol {
 
     public WatchProtocol() {
@@ -42,11 +40,7 @@ public class WatchProtocol extends BaseProtocol {
                 Command.TYPE_VOICE_MESSAGE,
                 Command.TYPE_SET_TIMEZONE,
                 Command.TYPE_SET_INDICATOR);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new WatchFrameDecoder());
diff --git a/src/org/traccar/protocol/WialonProtocol.java b/src/org/traccar/protocol/WialonProtocol.java
index ea6cfb33b..06b54dceb 100644
--- a/src/org/traccar/protocol/WialonProtocol.java
+++ b/src/org/traccar/protocol/WialonProtocol.java
@@ -26,8 +26,6 @@ import io.netty.handler.codec.string.StringDecoder;
 import io.netty.handler.codec.string.StringEncoder;
 
 import java.nio.charset.StandardCharsets;
-import java.util.List;
-
 public class WialonProtocol extends BaseProtocol {
 
     public WialonProtocol() {
@@ -36,11 +34,7 @@ public class WialonProtocol extends BaseProtocol {
                 Command.TYPE_SEND_USSD,
                 Command.TYPE_IDENTIFICATION,
                 Command.TYPE_OUTPUT_CONTROL);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(4 * 1024));
diff --git a/src/org/traccar/protocol/WondexProtocol.java b/src/org/traccar/protocol/WondexProtocol.java
index 93be45a04..8c6283d66 100644
--- a/src/org/traccar/protocol/WondexProtocol.java
+++ b/src/org/traccar/protocol/WondexProtocol.java
@@ -22,8 +22,6 @@ import org.traccar.model.Command;
 
 import io.netty.handler.codec.string.StringEncoder;
 
-import java.util.List;
-
 public class WondexProtocol extends BaseProtocol {
 
     public WondexProtocol() {
@@ -35,11 +33,7 @@ public class WondexProtocol extends BaseProtocol {
                 Command.TYPE_POSITION_SINGLE,
                 Command.TYPE_GET_VERSION,
                 Command.TYPE_IDENTIFICATION);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new WondexFrameDecoder());
@@ -48,7 +42,7 @@ public class WondexProtocol extends BaseProtocol {
                 pipeline.addLast(new WondexProtocolDecoder(WondexProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/WristbandProtocol.java b/src/org/traccar/protocol/WristbandProtocol.java
index f5421105d..1e5ef2c01 100644
--- a/src/org/traccar/protocol/WristbandProtocol.java
+++ b/src/org/traccar/protocol/WristbandProtocol.java
@@ -20,16 +20,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class WristbandProtocol extends BaseProtocol {
 
     public WristbandProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 3, 2, 3, 0));
diff --git a/src/org/traccar/protocol/XexunProtocol.java b/src/org/traccar/protocol/XexunProtocol.java
index 47a7881a9..0005270fb 100644
--- a/src/org/traccar/protocol/XexunProtocol.java
+++ b/src/org/traccar/protocol/XexunProtocol.java
@@ -25,19 +25,13 @@ import io.netty.handler.codec.LineBasedFrameDecoder;
 import io.netty.handler.codec.string.StringDecoder;
 import io.netty.handler.codec.string.StringEncoder;
 
-import java.util.List;
-
 public class XexunProtocol extends BaseProtocol {
 
     public XexunProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_ENGINE_STOP,
                 Command.TYPE_ENGINE_RESUME);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 boolean full = Context.getConfig().getBoolean(getName() + ".extended");
diff --git a/src/org/traccar/protocol/XexunProtocolDecoder.java b/src/org/traccar/protocol/XexunProtocolDecoder.java
index 42699c272..5e2d0c05e 100644
--- a/src/org/traccar/protocol/XexunProtocolDecoder.java
+++ b/src/org/traccar/protocol/XexunProtocolDecoder.java
@@ -18,6 +18,7 @@ package org.traccar.protocol;
 import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.Protocol;
 import org.traccar.helper.DateBuilder;
 import org.traccar.helper.Parser;
 import org.traccar.helper.PatternBuilder;
@@ -30,7 +31,7 @@ public class XexunProtocolDecoder extends BaseProtocolDecoder {
 
     private final boolean full;
 
-    public XexunProtocolDecoder(XexunProtocol protocol, boolean full) {
+    public XexunProtocolDecoder(Protocol protocol, boolean full) {
         super(protocol);
         this.full = full;
     }
diff --git a/src/org/traccar/protocol/XirgoProtocol.java b/src/org/traccar/protocol/XirgoProtocol.java
index 0ba2d51fc..4979fda5d 100644
--- a/src/org/traccar/protocol/XirgoProtocol.java
+++ b/src/org/traccar/protocol/XirgoProtocol.java
@@ -24,18 +24,12 @@ import org.traccar.model.Command;
 import io.netty.handler.codec.string.StringDecoder;
 import io.netty.handler.codec.string.StringEncoder;
 
-import java.util.List;
-
 public class XirgoProtocol extends BaseProtocol {
 
     public XirgoProtocol() {
         setSupportedDataCommands(
                 Command.TYPE_OUTPUT_CONTROL);
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, "##"));
@@ -45,7 +39,7 @@ public class XirgoProtocol extends BaseProtocol {
                 pipeline.addLast(new XirgoProtocolDecoder(XirgoProtocol.this));
             }
         });
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new StringEncoder());
diff --git a/src/org/traccar/protocol/Xt013Protocol.java b/src/org/traccar/protocol/Xt013Protocol.java
index 27fbee298..ebb3c123f 100644
--- a/src/org/traccar/protocol/Xt013Protocol.java
+++ b/src/org/traccar/protocol/Xt013Protocol.java
@@ -23,16 +23,10 @@ import io.netty.handler.codec.LineBasedFrameDecoder;
 import io.netty.handler.codec.string.StringDecoder;
 import io.netty.handler.codec.string.StringEncoder;
 
-import java.util.List;
-
 public class Xt013Protocol extends BaseProtocol {
 
     public Xt013Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
diff --git a/src/org/traccar/protocol/Xt2400Protocol.java b/src/org/traccar/protocol/Xt2400Protocol.java
index 071059795..9427876c8 100644
--- a/src/org/traccar/protocol/Xt2400Protocol.java
+++ b/src/org/traccar/protocol/Xt2400Protocol.java
@@ -19,16 +19,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class Xt2400Protocol extends BaseProtocol {
 
     public Xt2400Protocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(true, getName()) {
+        addServer(new TrackerServer(true, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new Xt2400ProtocolDecoder(Xt2400Protocol.this));
diff --git a/src/org/traccar/protocol/YwtProtocol.java b/src/org/traccar/protocol/YwtProtocol.java
index 84b6c9a16..c525b75cf 100644
--- a/src/org/traccar/protocol/YwtProtocol.java
+++ b/src/org/traccar/protocol/YwtProtocol.java
@@ -22,16 +22,10 @@ import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
 
-import java.util.List;
-
 public class YwtProtocol extends BaseProtocol {
 
     public YwtProtocol() {
-    }
-
-    @Override
-    public void initTrackerServers(List<TrackerServer> serverList) {
-        serverList.add(new TrackerServer(false, getName()) {
+        addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
author	Anton Tananaev <anton.tananaev@gmail.com>	2018-10-17 17:08:59 +1300
committer	Anton Tananaev <anton.tananaev@gmail.com>	2018-10-17 17:08:59 +1300
commit	61d4c1f15b645aa06c84905933108437e1ade92a (patch)
tree	33ca5e2e7d262c6941d66a6c23ff37c2c32e7a8f /src/org
parent	ae32084f88df4436e1a2cdcb346ff1e7e286e369 (diff)
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