diff options
Diffstat (limited to 'src/org/traccar/protocol/Gps056FrameDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/Gps056FrameDecoder.java | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/org/traccar/protocol/Gps056FrameDecoder.java b/src/org/traccar/protocol/Gps056FrameDecoder.java deleted file mode 100644 index 0d84bf231..000000000 --- a/src/org/traccar/protocol/Gps056FrameDecoder.java +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Copyright 2017 - 2018 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 io.netty.buffer.ByteBuf; -import io.netty.channel.Channel; -import io.netty.channel.ChannelHandlerContext; -import org.traccar.BaseFrameDecoder; - -import java.nio.charset.StandardCharsets; - -public class Gps056FrameDecoder extends BaseFrameDecoder { - - private static final int MESSAGE_HEADER = 4; - - @Override - protected Object decode( - ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception { - - if (buf.readableBytes() >= MESSAGE_HEADER) { - int length = Integer.parseInt(buf.toString(2, 2, StandardCharsets.US_ASCII)) + 5; - if (buf.readableBytes() >= length) { - ByteBuf frame = buf.readRetainedSlice(length); - while (buf.isReadable() && buf.getUnsignedByte(buf.readerIndex()) != '$') { - buf.readByte(); - } - return frame; - } - } - - return null; - } - -} |