diff options
Diffstat (limited to 'src/org/traccar/protocol/L100FrameDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/L100FrameDecoder.java | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/src/org/traccar/protocol/L100FrameDecoder.java b/src/org/traccar/protocol/L100FrameDecoder.java deleted file mode 100644 index 92af255dd..000000000 --- a/src/org/traccar/protocol/L100FrameDecoder.java +++ /dev/null @@ -1,50 +0,0 @@ -/* - * 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; - -public class L100FrameDecoder extends FrameDecoder { - - @Override - protected Object decode( - ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception { - - if (buf.readableBytes() < 80) { - return null; - } - - int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x02); - if (index == -1) { - index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x04); - if (index == -1) { - return null; - } - } - - index += 2; // checksum - - if (buf.readableBytes() >= index - buf.readerIndex()) { - return buf.readBytes(index - buf.readerIndex()); - } - - return null; - } - -} |