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-rw-r--r--src/org/traccar/BaseProtocolEncoder.java37
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diff --git a/src/org/traccar/BaseProtocolEncoder.java b/src/org/traccar/BaseProtocolEncoder.java
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+/*
+ * 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);
+
+}