diff options
Diffstat (limited to 'src/org/traccar/protocol/NvsFrameDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/NvsFrameDecoder.java | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/org/traccar/protocol/NvsFrameDecoder.java b/src/org/traccar/protocol/NvsFrameDecoder.java deleted file mode 100644 index e93a58cf6..000000000 --- a/src/org/traccar/protocol/NvsFrameDecoder.java +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Copyright 2016 - 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; - -public class NvsFrameDecoder extends BaseFrameDecoder { - - @Override - protected Object decode( - ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception { - - if (buf.readableBytes() < 4 + 2) { - return null; - } - - int length; - if (buf.getUnsignedByte(buf.readerIndex()) == 0) { - length = 2 + buf.getUnsignedShort(buf.readerIndex()); - } else { - length = 4 + 2 + buf.getUnsignedShort(buf.readerIndex() + 4) + 2; - } - - if (buf.readableBytes() >= length) { - return buf.readRetainedSlice(length); - } - - return null; - } - -} |