From 387d798a8fc66ec6792851a199fc83c4636fc6d8 Mon Sep 17 00:00:00 2001 From: Abyss777 Date: Tue, 5 Jul 2016 17:16:06 +0500 Subject: Granit protocol implementation --- src/org/traccar/protocol/GranitFrameDecoder.java | 40 ++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/org/traccar/protocol/GranitFrameDecoder.java (limited to 'src/org/traccar/protocol/GranitFrameDecoder.java') diff --git a/src/org/traccar/protocol/GranitFrameDecoder.java b/src/org/traccar/protocol/GranitFrameDecoder.java new file mode 100644 index 000000000..ad6ddc99d --- /dev/null +++ b/src/org/traccar/protocol/GranitFrameDecoder.java @@ -0,0 +1,40 @@ +/* + * Copyright 2016 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.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.FrameDecoder; +import org.traccar.helper.StringFinder; + +public class GranitFrameDecoder extends FrameDecoder { + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception { + + int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), new StringFinder("\r\n")); + if (index != -1) { + ChannelBuffer frame = buf.readBytes(index - buf.readerIndex()); + buf.skipBytes(2); + return frame; + } + + return null; + } + +} -- cgit v1.2.3