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Diffstat (limited to 'src/org/traccar/protocol/HuaShengFrameDecoder.java')
-rw-r--r--src/org/traccar/protocol/HuaShengFrameDecoder.java58
1 files changed, 0 insertions, 58 deletions
diff --git a/src/org/traccar/protocol/HuaShengFrameDecoder.java b/src/org/traccar/protocol/HuaShengFrameDecoder.java
deleted file mode 100644
index bd52aa9e7..000000000
--- a/src/org/traccar/protocol/HuaShengFrameDecoder.java
+++ /dev/null
@@ -1,58 +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.buffer.Unpooled;
-import io.netty.channel.Channel;
-import io.netty.channel.ChannelHandlerContext;
-import org.traccar.BaseFrameDecoder;
-
-public class HuaShengFrameDecoder extends BaseFrameDecoder {
-
- @Override
- protected Object decode(
- ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
-
- if (buf.readableBytes() < 2) {
- return null;
- }
-
- int index = buf.indexOf(buf.readerIndex() + 1, buf.writerIndex(), (byte) 0xC0);
- if (index != -1) {
- ByteBuf result = Unpooled.buffer(index + 1 - buf.readerIndex());
-
- while (buf.readerIndex() <= index) {
- int b = buf.readUnsignedByte();
- if (b == 0xDB) {
- int ext = buf.readUnsignedByte();
- if (ext == 0xDC) {
- result.writeByte(0xC0);
- } else if (ext == 0xDD) {
- result.writeByte(0xDB);
- }
- } else {
- result.writeByte(b);
- }
- }
-
- return result;
- }
-
- return null;
- }
-
-}