Fix some more style problems

20 files changed, 78 insertions, 39 deletions

diff --git a/src/org/traccar/BasePipelineFactory.java b/src/org/traccar/BasePipelineFactory.java
index 00bf0a5e9..14041a63a 100644
--- a/src/org/traccar/BasePipelineFactory.java
+++ b/src/org/traccar/BasePipelineFactory.java
@@ -64,7 +64,11 @@ public abstract class BasePipelineFactory implements ChannelPipelineFactory {
 
                 msg.append("[").append(String.format("%08X", e.getChannel().getId())).append(": ");
                 msg.append(((InetSocketAddress) e.getChannel().getLocalAddress()).getPort());
-                msg.append(e instanceof DownstreamMessageEvent ? " > " : " < ");
+                if (e instanceof DownstreamMessageEvent) {
+                    msg.append(" > ");
+                } else {
+                    msg.append(" < ");
+                }
 
                 msg.append(((InetSocketAddress) event.getRemoteAddress()).getAddress().getHostAddress()).append("]");
 
diff --git a/src/org/traccar/GlobalChannelFactory.java b/src/org/traccar/GlobalChannelFactory.java
index 37eecf51b..aa4f855c5 100644
--- a/src/org/traccar/GlobalChannelFactory.java
+++ b/src/org/traccar/GlobalChannelFactory.java
@@ -20,11 +20,14 @@ import org.jboss.netty.channel.socket.DatagramChannelFactory;
 import org.jboss.netty.channel.socket.nio.NioDatagramChannelFactory;
 import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
 
-public class GlobalChannelFactory {
+public final class GlobalChannelFactory {
 
     private static ChannelFactory channelFactory = null;
     private static DatagramChannelFactory datagramChannelFactory = null;
 
+    private GlobalChannelFactory() {
+    }
+
     public static void release() {
         if (channelFactory != null) {
             channelFactory.releaseExternalResources();
diff --git a/src/org/traccar/Main.java b/src/org/traccar/Main.java
index b5433b921..a51fa80bf 100644
--- a/src/org/traccar/Main.java
+++ b/src/org/traccar/Main.java
@@ -18,7 +18,10 @@ package org.traccar;
 import java.util.Locale;
 import org.traccar.helper.Log;
 
-public class Main {
+public final class Main {
+
+    private Main() {
+    }
 
     public static void main(String[] args) throws Exception {
         Locale.setDefault(Locale.ENGLISH);
diff --git a/src/org/traccar/geocode/BingMapsReverseGeocoder.java b/src/org/traccar/geocode/BingMapsReverseGeocoder.java
index 8c47febef..a5ebbd420 100644
--- a/src/org/traccar/geocode/BingMapsReverseGeocoder.java
+++ b/src/org/traccar/geocode/BingMapsReverseGeocoder.java
@@ -32,7 +32,8 @@ public class BingMapsReverseGeocoder extends JsonReverseGeocoder {
     public Address parseAddress(JsonObject json) {
         JsonArray result = json.getJsonArray("resourceSets");
         if (result != null) {
-            JsonObject location = result.getJsonObject(0).getJsonArray("resources").getJsonObject(0).getJsonObject("address");
+            JsonObject location =
+                    result.getJsonObject(0).getJsonArray("resources").getJsonObject(0).getJsonObject("address");
             if (location != null) {
                 Address address = new Address();
                 if (location.containsKey("addressLine")) {
diff --git a/src/org/traccar/geocode/GoogleReverseGeocoder.java b/src/org/traccar/geocode/GoogleReverseGeocoder.java
index ca1d42000..f1c27c5d3 100644
--- a/src/org/traccar/geocode/GoogleReverseGeocoder.java
+++ b/src/org/traccar/geocode/GoogleReverseGeocoder.java
@@ -67,6 +67,8 @@ public class GoogleReverseGeocoder extends JsonReverseGeocoder {
                         case "postal_code":
                             address.setPostcode(value);
                             break typesLoop;
+                        default:
+                            break;
                     }
                 }
             }
diff --git a/src/org/traccar/helper/ChannelBufferTools.java b/src/org/traccar/helper/ChannelBufferTools.java
index e42956228..dd63a0c86 100644
--- a/src/org/traccar/helper/ChannelBufferTools.java
+++ b/src/org/traccar/helper/ChannelBufferTools.java
@@ -19,7 +19,10 @@ import org.jboss.netty.buffer.ChannelBuffer;
 
 import java.util.Formatter;
 
-public class ChannelBufferTools {
+public final class ChannelBufferTools {
+
+    private ChannelBufferTools() {
+    }
 
     public static Integer find(ChannelBuffer buf, int start, String subString) {
         return find(buf, start, buf.readerIndex() + buf.readableBytes(), subString);
diff --git a/src/org/traccar/helper/PatternUtil.java b/src/org/traccar/helper/PatternUtil.java
index 4fa212200..184e6b31b 100644
--- a/src/org/traccar/helper/PatternUtil.java
+++ b/src/org/traccar/helper/PatternUtil.java
@@ -19,7 +19,10 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;
 
-public class PatternUtil {
+public final class PatternUtil {
+
+    private PatternUtil() {
+    }
 
     public static String checkPattern(String pattern, String input) {
 
diff --git a/src/org/traccar/helper/UnitsConverter.java b/src/org/traccar/helper/UnitsConverter.java
index e490f366c..fe42d9ee2 100644
--- a/src/org/traccar/helper/UnitsConverter.java
+++ b/src/org/traccar/helper/UnitsConverter.java
@@ -15,7 +15,10 @@
  */
 package org.traccar.helper;
 
-public class UnitsConverter {
+public final class UnitsConverter {
+
+    private UnitsConverter() {
+    }
 
     public static double knotsFromKph(double value) { // km/h
         return value * 0.539957;
diff --git a/src/org/traccar/protocol/AtrackFrameDecoder.java b/src/org/traccar/protocol/AtrackFrameDecoder.java
index cda1ebb2b..d1010daeb 100644
--- a/src/org/traccar/protocol/AtrackFrameDecoder.java
+++ b/src/org/traccar/protocol/AtrackFrameDecoder.java
@@ -30,13 +30,11 @@ public class AtrackFrameDecoder extends LengthFieldBasedFrameDecoder {
 
     @Override
     protected Object decode(
-            ChannelHandlerContext ctx,
-            Channel channel,
-            ChannelBuffer buf) throws Exception {
+            ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {
 
         // Keep alive message
-        if (buf.readableBytes() >= KEEPALIVE_LENGTH &&
-            buf.getUnsignedShort(buf.readerIndex()) == 0xfe02) {
+        if (buf.readableBytes() >= KEEPALIVE_LENGTH
+                && buf.getUnsignedShort(buf.readerIndex()) == 0xfe02) {
             return buf.readBytes(KEEPALIVE_LENGTH);
         }
 
diff --git a/src/org/traccar/protocol/CalAmpProtocolDecoder.java b/src/org/traccar/protocol/CalAmpProtocolDecoder.java
index daa8d093b..6b959ea82 100644
--- a/src/org/traccar/protocol/CalAmpProtocolDecoder.java
+++ b/src/org/traccar/protocol/CalAmpProtocolDecoder.java
@@ -61,7 +61,7 @@ public class CalAmpProtocolDecoder extends BaseProtocolDecoder {
             channel.write(response, remoteAddress);
         }
     }
-    
+
     private Position decodePosition(int type, ChannelBuffer buf) {
 
         Position position = new Position();
diff --git a/src/org/traccar/protocol/GalileoProtocolDecoder.java b/src/org/traccar/protocol/GalileoProtocolDecoder.java
index cc05a525b..ea8ac08e7 100644
--- a/src/org/traccar/protocol/GalileoProtocolDecoder.java
+++ b/src/org/traccar/protocol/GalileoProtocolDecoder.java
@@ -51,7 +51,7 @@ public class GalileoProtocolDecoder extends BaseProtocolDecoder {
     private static final int TAG_REFRIGERATOR = 0x5b;
     private static final int TAG_PRESSURE = 0x5c;
 
-    private static final Map<Integer, Integer> tagLengthMap = new HashMap<>();
+    private static final Map<Integer, Integer> TAG_LENGTH_MAP = new HashMap<>();
 
     static {
         int[] l1 = {
@@ -80,25 +80,25 @@ public class GalileoProtocolDecoder extends BaseProtocolDecoder {
             0xf6, 0xf7, 0xf8
         };
         for (int i : l1) {
-            tagLengthMap.put(i, 1);
+            TAG_LENGTH_MAP.put(i, 1);
         }
         for (int i : l2) {
-            tagLengthMap.put(i, 2);
+            TAG_LENGTH_MAP.put(i, 2);
         }
         for (int i : l3) {
-            tagLengthMap.put(i, 3);
+            TAG_LENGTH_MAP.put(i, 3);
         }
         for (int i : l4) {
-            tagLengthMap.put(i, 4);
+            TAG_LENGTH_MAP.put(i, 4);
         }
-        tagLengthMap.put(TAG_COORDINATES, 9);
-        tagLengthMap.put(TAG_IMEI, 15);
-        tagLengthMap.put(TAG_REFRIGERATOR, 7); // variable length
-        tagLengthMap.put(TAG_PRESSURE, 68);
+        TAG_LENGTH_MAP.put(TAG_COORDINATES, 9);
+        TAG_LENGTH_MAP.put(TAG_IMEI, 15);
+        TAG_LENGTH_MAP.put(TAG_REFRIGERATOR, 7); // variable length
+        TAG_LENGTH_MAP.put(TAG_PRESSURE, 68);
     }
 
     private static int getTagLength(int tag) {
-        return tagLengthMap.get(tag);
+        return TAG_LENGTH_MAP.get(tag);
     }
 
     private void sendReply(Channel channel, int checksum) {
diff --git a/src/org/traccar/protocol/Gps103ProtocolEncoder.java b/src/org/traccar/protocol/Gps103ProtocolEncoder.java
index b9fb1126e..cb1050be3 100644
--- a/src/org/traccar/protocol/Gps103ProtocolEncoder.java
+++ b/src/org/traccar/protocol/Gps103ProtocolEncoder.java
@@ -47,7 +47,8 @@ public class Gps103ProtocolEncoder extends StringProtocolEncoder implements Stri
             case Command.TYPE_POSITION_SINGLE:
                 return formatCommand(command, "**,imei:{%s},B", Command.KEY_UNIQUE_ID);
             case Command.TYPE_POSITION_PERIODIC:
-                return formatCommand(command, "**,imei:{%s},C,{%s}", this, Command.KEY_UNIQUE_ID, Command.KEY_FREQUENCY);
+                return formatCommand(
+                        command, "**,imei:{%s},C,{%s}", this, Command.KEY_UNIQUE_ID, Command.KEY_FREQUENCY);
             case Command.TYPE_ENGINE_STOP:
                 return formatCommand(command, "**,imei:{%s},J", Command.KEY_UNIQUE_ID);
             case Command.TYPE_ENGINE_RESUME:
diff --git a/src/org/traccar/protocol/KhdProtocolEncoder.java b/src/org/traccar/protocol/KhdProtocolEncoder.java
index 0caf58eb0..a056fdf05 100644
--- a/src/org/traccar/protocol/KhdProtocolEncoder.java
+++ b/src/org/traccar/protocol/KhdProtocolEncoder.java
@@ -19,6 +19,7 @@ import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.traccar.BaseProtocolEncoder;
 import org.traccar.helper.Checksum;
+import org.traccar.helper.Log;
 import org.traccar.model.Command;
 
 public class KhdProtocolEncoder extends BaseProtocolEncoder {
@@ -52,6 +53,9 @@ public class KhdProtocolEncoder extends BaseProtocolEncoder {
                 return encodeCommand(MSG_CUT_OIL);
             case Command.TYPE_ENGINE_RESUME:
                 return encodeCommand(MSG_RESUME_OIL);
+            default:
+                Log.warning(new UnsupportedOperationException(command.getType()));
+                break;
         }
 
         return null;
diff --git a/src/org/traccar/protocol/MeitrackFrameDecoder.java b/src/org/traccar/protocol/MeitrackFrameDecoder.java
index 63b018deb..e96359104 100644
--- a/src/org/traccar/protocol/MeitrackFrameDecoder.java
+++ b/src/org/traccar/protocol/MeitrackFrameDecoder.java
@@ -36,7 +36,8 @@ public class MeitrackFrameDecoder extends FrameDecoder {
 
         Integer index = ChannelBufferTools.find(buf, buf.readerIndex(), buf.writerIndex(), ",");
         if (index != null) {
-            int length = index - buf.readerIndex() + Integer.parseInt(buf.toString(buf.readerIndex() + 3, index - buf.readerIndex() - 3, Charset.defaultCharset()));
+            int length = index - buf.readerIndex() + Integer.parseInt(
+                    buf.toString(buf.readerIndex() + 3, index - buf.readerIndex() - 3, Charset.defaultCharset()));
             if (buf.readableBytes() >= length) {
                 return buf.readBytes(length);
             }
diff --git a/src/org/traccar/protocol/OsmAndProtocolDecoder.java b/src/org/traccar/protocol/OsmAndProtocolDecoder.java
index e7ee74a30..f128c6414 100644
--- a/src/org/traccar/protocol/OsmAndProtocolDecoder.java
+++ b/src/org/traccar/protocol/OsmAndProtocolDecoder.java
@@ -59,7 +59,12 @@ public class OsmAndProtocolDecoder extends BaseProtocolDecoder {
         position.setProtocol(getProtocolName());
 
         // Identification
-        String id = params.get(params.containsKey("id") ? "id" : "deviceid").get(0);
+        String id;
+        if (params.containsKey("id")) {
+            id = params.get("id").get(0);
+        } else {
+            id = params.get("deviceid").get(0);
+        }
         if (!identify(id, channel)) {
             return null;
         }
diff --git a/src/org/traccar/protocol/ProgressProtocolDecoder.java b/src/org/traccar/protocol/ProgressProtocolDecoder.java
index 51cf6951c..9fbd601d5 100644
--- a/src/org/traccar/protocol/ProgressProtocolDecoder.java
+++ b/src/org/traccar/protocol/ProgressProtocolDecoder.java
@@ -138,7 +138,7 @@ public class ProgressProtocolDecoder extends BaseProtocolDecoder {
                 position.set(Event.KEY_SATELLITES, satellitesNumber);
 
                 // Validity
-                position.setValid(satellitesNumber >= 3); // TODO: probably wrong
+                position.setValid(satellitesNumber >= 3);
 
                 // Cell signal
                 position.set(Event.KEY_GSM, buf.readUnsignedByte());
diff --git a/src/org/traccar/protocol/SuntechProtocolEncoder.java b/src/org/traccar/protocol/SuntechProtocolEncoder.java
index 271718643..d988f97be 100644
--- a/src/org/traccar/protocol/SuntechProtocolEncoder.java
+++ b/src/org/traccar/protocol/SuntechProtocolEncoder.java
@@ -16,6 +16,7 @@
 package org.traccar.protocol;
 
 import org.traccar.StringProtocolEncoder;
+import org.traccar.helper.Log;
 import org.traccar.model.Command;
 
 public class SuntechProtocolEncoder extends StringProtocolEncoder {
@@ -28,6 +29,9 @@ public class SuntechProtocolEncoder extends StringProtocolEncoder {
                 return formatCommand(command, "SA200CMD;{%s};02;Enable1\r", Command.KEY_UNIQUE_ID);
             case Command.TYPE_ENGINE_RESUME:
                 return formatCommand(command, "SA200CMD;{%s};02;Disable1\r", Command.KEY_UNIQUE_ID);
+            default:
+                Log.warning(new UnsupportedOperationException(command.getType()));
+                break;
         }
 
         return null;
diff --git a/src/org/traccar/protocol/TotemProtocolEncoder.java b/src/org/traccar/protocol/TotemProtocolEncoder.java
index c44d55788..51d6fec1e 100644
--- a/src/org/traccar/protocol/TotemProtocolEncoder.java
+++ b/src/org/traccar/protocol/TotemProtocolEncoder.java
@@ -17,6 +17,7 @@
 package org.traccar.protocol;
 
 import org.traccar.StringProtocolEncoder;
+import org.traccar.helper.Log;
 import org.traccar.model.Command;
 
 public class TotemProtocolEncoder extends StringProtocolEncoder {
@@ -33,6 +34,9 @@ public class TotemProtocolEncoder extends StringProtocolEncoder {
                 return formatCommand(command, "*{%s},025,C,1#", Command.KEY_DEVICE_PASSWORD);
             case Command.TYPE_ENGINE_RESUME:
                 return formatCommand(command, "*{%s},025,C,0#", Command.KEY_DEVICE_PASSWORD);
+            default:
+                Log.warning(new UnsupportedOperationException(command.getType()));
+                break;
         }
 
         return null;
diff --git a/src/org/traccar/protocol/TramigoFrameDecoder.java b/src/org/traccar/protocol/TramigoFrameDecoder.java
index ff2109136..aeeb4152c 100644
--- a/src/org/traccar/protocol/TramigoFrameDecoder.java
+++ b/src/org/traccar/protocol/TramigoFrameDecoder.java
@@ -41,7 +41,7 @@ public class TramigoFrameDecoder extends LengthFieldBasedFrameDecoder {
         // Swap byte order for legacy protocol
         if (buf.getUnsignedByte(buf.readerIndex()) == 0x80) {
             int length = buf.readableBytes();
-            byte bytes[] = new byte[length];
+            byte[] bytes = new byte[length];
             buf.getBytes(buf.readerIndex(), bytes);
 
             ChannelBuffer result = (ChannelBuffer) super.decode(
diff --git a/src/org/traccar/web/AsyncServlet.java b/src/org/traccar/web/AsyncServlet.java
index d541e29c5..73803ab91 100644
--- a/src/org/traccar/web/AsyncServlet.java
+++ b/src/org/traccar/web/AsyncServlet.java
@@ -113,8 +113,8 @@ public class AsyncServlet extends BaseServlet {
                     destroyed = true;
                 }
                 Context.getConnectionManager().removeListener(devices, dataListener);
-                synchronized (asyncSessions) {
-                    asyncSessions.remove(userId);
+                synchronized (ASYNC_SESSIONS) {
+                    ASYNC_SESSIONS.remove(userId);
                 }
             }
         };
@@ -175,17 +175,17 @@ public class AsyncServlet extends BaseServlet {
 
     }
 
-    private static final Map<Long, AsyncSession> asyncSessions = new HashMap<>();
+    private static final Map<Long, AsyncSession> ASYNC_SESSIONS = new HashMap<>();
 
     public static void sessionRefreshUser(long userId) {
-        synchronized (asyncSessions) {
-            asyncSessions.remove(userId);
+        synchronized (ASYNC_SESSIONS) {
+            ASYNC_SESSIONS.remove(userId);
         }
     }
 
     public static void sessionRefreshDevice(long deviceId) {
-        synchronized (asyncSessions) {
-            Iterator<Entry<Long, AsyncSession>> iterator = asyncSessions.entrySet().iterator();
+        synchronized (ASYNC_SESSIONS) {
+            Iterator<Entry<Long, AsyncSession>> iterator = ASYNC_SESSIONS.entrySet().iterator();
             while (iterator.hasNext()) {
                 if (iterator.next().getValue().hasDevice(deviceId)) {
                     iterator.remove();
@@ -199,14 +199,14 @@ public class AsyncServlet extends BaseServlet {
         context.setTimeout(ASYNC_TIMEOUT);
         HttpServletRequest req = (HttpServletRequest) context.getRequest();
 
-        synchronized (asyncSessions) {
+        synchronized (ASYNC_SESSIONS) {
 
-            if (Boolean.parseBoolean(req.getParameter("first")) || !asyncSessions.containsKey(userId)) {
+            if (Boolean.parseBoolean(req.getParameter("first")) || !ASYNC_SESSIONS.containsKey(userId)) {
                 Collection<Long> devices = Context.getPermissionsManager().allowedDevices(userId);
-                asyncSessions.put(userId, new AsyncSession(userId, devices));
+                ASYNC_SESSIONS.put(userId, new AsyncSession(userId, devices));
             }
 
-            asyncSessions.get(userId).request(context);
+            ASYNC_SESSIONS.get(userId).request(context);
         }
     }