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Diffstat (limited to 'src/org/traccar/protocol/AlematicsFrameDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/AlematicsFrameDecoder.java | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/src/org/traccar/protocol/AlematicsFrameDecoder.java b/src/org/traccar/protocol/AlematicsFrameDecoder.java deleted file mode 100644 index b8b3e3403..000000000 --- a/src/org/traccar/protocol/AlematicsFrameDecoder.java +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright 2017 Anton Tananaev (anton@traccar.org) - * - * 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.protocol; - -import org.jboss.netty.buffer.ChannelBuffer; -import org.jboss.netty.channel.Channel; -import org.jboss.netty.channel.ChannelHandlerContext; -import org.jboss.netty.handler.codec.frame.LineBasedFrameDecoder; - -public class AlematicsFrameDecoder extends LineBasedFrameDecoder { - - private static final int MESSAGE_MINIMUM_LENGTH = 2; - - public AlematicsFrameDecoder(int maxFrameLength) { - super(maxFrameLength); - } - - // example of heartbeat: FA F8 00 07 00 03 15 AD 4E 78 3A D2 - - @Override - protected Object decode(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception { - - if (buf.readableBytes() < MESSAGE_MINIMUM_LENGTH) { - return null; - } - - if (buf.getUnsignedShort(buf.readerIndex()) == 0xFAF8) { - ChannelBuffer heartbeat = buf.readBytes(12); - if (channel != null) { - channel.write(heartbeat); - } - } - - return super.decode(ctx, channel, buf); - } - -} |