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author | nyash <nyashh@gmail.com> | 2016-09-18 14:39:39 +0200 |
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committer | GitHub <noreply@github.com> | 2016-09-18 14:39:39 +0200 |
commit | cff3579737ae906c34670f9bf44f62473c7a7466 (patch) | |
tree | 7a15ba7b12902d14a5ffc7352df7f6cf158e134b /src/org/traccar/protocol | |
parent | d8ba1eccc5ee74bc3bf90724c726de71233a0421 (diff) | |
download | traccar-server-cff3579737ae906c34670f9bf44f62473c7a7466.tar.gz traccar-server-cff3579737ae906c34670f9bf44f62473c7a7466.tar.bz2 traccar-server-cff3579737ae906c34670f9bf44f62473c7a7466.zip |
Add jpkorjar frame decoder
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r-- | src/org/traccar/protocol/JpKorjarFrameDecoder.java | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/JpKorjarFrameDecoder.java b/src/org/traccar/protocol/JpKorjarFrameDecoder.java new file mode 100644 index 000000000..0b32a7f0b --- /dev/null +++ b/src/org/traccar/protocol/JpKorjarFrameDecoder.java @@ -0,0 +1,46 @@ +/* + * Copyright 2016 nyashh (nyashh@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 JpKorjarFrameDecoder extends FrameDecoder { + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception { + + if (buf.readableBytes() < 80) { + return null; + } + + int spaceIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ' '); + if (spaceIndex == -1) { + return null; + } + + int endIndex = buf.indexOf(spaceIndex, buf.writerIndex(), (byte) ','); + if (endIndex == -1) { + return null; + } + + return buf.readBytes(endIndex + 1); + } + +} |