1 files changed, 0 insertions, 69 deletions
diff --git a/src/main/java/org/traccar/protocol/Xexun2FrameDecoder.java b/src/main/java/org/traccar/protocol/Xexun2FrameDecoder.java
deleted file mode 100644
index 521d0209c..000000000
--- a/src/main/java/org/traccar/protocol/Xexun2FrameDecoder.java
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright 2021 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;
-import org.traccar.helper.BufferUtil;
-
-public class Xexun2FrameDecoder extends BaseFrameDecoder {
-
-    @Override
-    protected Object decode(
-            ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
-
-        if (buf.readableBytes() < 5) {
-            return null;
-        }
-
-        ByteBuf flag = Unpooled.wrappedBuffer(new byte[] {(byte) 0xfa, (byte) 0xaf});
-        int index;
-        try {
-            index = BufferUtil.indexOf(flag, buf, buf.readerIndex() + 2, buf.writerIndex());
-        } finally {
-            flag.release();
-        }
-
-        if (index >= 0) {
-            ByteBuf result = Unpooled.buffer(index + 2 - buf.readerIndex());
-
-            while (buf.readerIndex() < index + 2) {
-                int b = buf.readUnsignedByte();
-                if (b == 0xfb && buf.isReadable() && buf.getUnsignedByte(buf.readerIndex()) == 0xbf) {
-                    buf.readUnsignedByte(); // skip
-                    int ext = buf.readUnsignedByte();
-                    if (ext == 0x01) {
-                        result.writeByte(0xfa);
-                        result.writeByte(0xaf);
-                    } else if (ext == 0x02) {
-                        result.writeByte(0xfb);
-                        result.writeByte(0xbf);
-                    }
-                } else {
-                    result.writeByte(b);
-                }
-            }
-
-            return result;
-        }
-
-        return null;
-    }
-
-}