diff options
Diffstat (limited to 'src/org/traccar/protocol/UlbotechFrameDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/UlbotechFrameDecoder.java | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/src/org/traccar/protocol/UlbotechFrameDecoder.java b/src/org/traccar/protocol/UlbotechFrameDecoder.java deleted file mode 100644 index 8e7b497c5..000000000 --- a/src/org/traccar/protocol/UlbotechFrameDecoder.java +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright 2014 - 2015 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.buffer.ChannelBuffers; -import org.jboss.netty.channel.Channel; -import org.jboss.netty.channel.ChannelHandlerContext; -import org.jboss.netty.handler.codec.frame.FrameDecoder; - -public class UlbotechFrameDecoder extends FrameDecoder { - - @Override - protected Object decode( - ChannelHandlerContext ctx, - Channel channel, - ChannelBuffer buf) throws Exception { - - if (buf.readableBytes() < 2) { - return null; - } - - if (buf.getUnsignedByte(buf.readerIndex()) == 0xF8) { - - int index = buf.indexOf(buf.readerIndex() + 1, buf.writerIndex(), (byte) 0xF8); - if (index != -1) { - ChannelBuffer result = ChannelBuffers.buffer(index + 1 - buf.readerIndex()); - - while (buf.readerIndex() <= index) { - int b = buf.readUnsignedByte(); - if (b == 0xF7) { - int ext = buf.readUnsignedByte(); - if (ext == 0x00) { - result.writeByte(0xF7); - } else if (ext == 0x0F) { - result.writeByte(0xF8); - } - } else { - result.writeByte(b); - } - } - - return result; - } - - } else { - - int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '#'); - if (index != -1) { - return buf.readBytes(index + 1 - buf.readerIndex()); - } - - } - - return null; - } - -} |