From d2b861df3f3faa46c8dcf72e5897ed31cfe40b40 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Fri, 17 Jul 2015 19:48:40 +1200
Subject: Add base protocol encoder

---
 src/org/traccar/BaseProtocol.java        | 19 +++++++---------
 src/org/traccar/BaseProtocolDecoder.java |  3 ---
 src/org/traccar/BaseProtocolEncoder.java | 37 ++++++++++++++++++++++++++++++++
 src/org/traccar/Protocol.java            |  6 +++---
 4 files changed, 48 insertions(+), 17 deletions(-)
 create mode 100644 src/org/traccar/BaseProtocolEncoder.java

diff --git a/src/org/traccar/BaseProtocol.java b/src/org/traccar/BaseProtocol.java
index 932c0d9cc..4a408761d 100644
--- a/src/org/traccar/BaseProtocol.java
+++ b/src/org/traccar/BaseProtocol.java
@@ -15,10 +15,11 @@
  */
 package org.traccar;
 
-import org.traccar.model.Command;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
 import org.traccar.database.ActiveDevice;
-
-import java.util.*;
+import org.traccar.model.Command;
 
 public abstract class BaseProtocol implements Protocol {
 
@@ -29,6 +30,7 @@ public abstract class BaseProtocol implements Protocol {
         this.name = name;
     }
 
+    @Override
     public String getName() {
         return name;
     }
@@ -39,15 +41,10 @@ public abstract class BaseProtocol implements Protocol {
 
     @Override
     public void sendCommand(ActiveDevice activeDevice, Command command) {
-        /*CommandTemplate commandMessage = commandTemplates.get(command.getType());
-
-        if (commandMessage == null) {
-            throw new RuntimeException("The command " + command + " is not yet supported in protocol " + this.getName());
+        if (!supportedCommands.contains(command.getType())) {
+            throw new RuntimeException("Command " + command + " is not supported in protocol " + this.getName());
         }
-
-        Object response = commandMessage.applyTo(activeDevice, command);
-
-        activeDevice.write(response);*/
+        activeDevice.write(command);
     }
 
 }
diff --git a/src/org/traccar/BaseProtocolDecoder.java b/src/org/traccar/BaseProtocolDecoder.java
index 285525e78..3509ec4cf 100644
--- a/src/org/traccar/BaseProtocolDecoder.java
+++ b/src/org/traccar/BaseProtocolDecoder.java
@@ -20,9 +20,6 @@ import org.jboss.netty.channel.Channel;
 import org.traccar.helper.Log;
 import org.traccar.model.Device;
 
-/**
- * Base class for protocol decoders
- */
 public abstract class BaseProtocolDecoder extends ExtendedObjectDecoder {
 
     private final Protocol protocol;
diff --git a/src/org/traccar/BaseProtocolEncoder.java b/src/org/traccar/BaseProtocolEncoder.java
new file mode 100644
index 000000000..819ccc998
--- /dev/null
+++ b/src/org/traccar/BaseProtocolEncoder.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar;
+
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.oneone.OneToOneEncoder;
+import org.traccar.model.Command;
+
+public abstract class BaseProtocolEncoder extends OneToOneEncoder {
+
+    @Override
+    protected Object encode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
+        
+        if (msg instanceof Command) {
+            return encodeCommand((Command) msg);
+        }
+        
+        return msg;
+    }
+    
+    protected abstract Object encodeCommand(Command command);
+    
+}
diff --git a/src/org/traccar/Protocol.java b/src/org/traccar/Protocol.java
index ecda76142..cd37853d0 100644
--- a/src/org/traccar/Protocol.java
+++ b/src/org/traccar/Protocol.java
@@ -1,9 +1,8 @@
 package org.traccar;
 
-import org.traccar.model.Command;
-import org.traccar.database.ActiveDevice;
-
 import java.util.List;
+import org.traccar.database.ActiveDevice;
+import org.traccar.model.Command;
 
 public interface Protocol {
 
@@ -12,4 +11,5 @@ public interface Protocol {
     void sendCommand(ActiveDevice activeDevice, Command command);
 
     void initTrackerServers(List<TrackerServer> serverList);
+
 }
-- 
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