1 files changed, 0 insertions, 109 deletions
diff --git a/src/org/traccar/protocol/NavisFrameDecoder.java b/src/org/traccar/protocol/NavisFrameDecoder.java
deleted file mode 100644
index 8a0bb0b9a..000000000
--- a/src/org/traccar/protocol/NavisFrameDecoder.java
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Copyright 2019 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 java.nio.charset.StandardCharsets;
-import org.traccar.BaseFrameDecoder;
-import org.traccar.BasePipelineFactory;
-
-public class NavisFrameDecoder extends BaseFrameDecoder {
-
-    private static final int NTCB_HEADER_LENGTH = 16;
-    private static final int NTCB_LENGTH_OFFSET = 12;
-    private static final int FLEX_HEADER_LENGTH = 2;
-
-    private int flexDataSize;
-
-    public void setFlexDataSize(int flexDataSize) {
-        this.flexDataSize = flexDataSize;
-    }
-
-    @Override
-    protected Object decode(
-            ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
-
-        if (buf.getByte(buf.readerIndex()) == 0x7F) {
-            return buf.readRetainedSlice(1); // keep alive
-        }
-
-        if (ctx != null && flexDataSize == 0) {
-            NavisProtocolDecoder protocolDecoder =
-                    BasePipelineFactory.getHandler(ctx.pipeline(), NavisProtocolDecoder.class);
-            if (protocolDecoder != null) {
-                flexDataSize = protocolDecoder.getFlexDataSize();
-            }
-        }
-
-        if (flexDataSize > 0) {
-
-            if (buf.readableBytes() > FLEX_HEADER_LENGTH) {
-                int length = 0;
-                String type = buf.toString(buf.readerIndex(), 2, StandardCharsets.US_ASCII);
-                switch (type) {
-                    // FLEX 1.0
-                    case "~A":
-                        length = flexDataSize  * buf.getByte(buf.readerIndex() + FLEX_HEADER_LENGTH) + 1 + 1;
-                        break;
-                    case "~T":
-                        length = flexDataSize + 4 + 1;
-                        break;
-                    case "~C":
-                        length = flexDataSize + 1;
-                        break;
-                    // FLEX 2.0 (Extra packages)
-                    case "~E":
-                        length++;
-                        for (int i = 0; i < buf.getByte(buf.readerIndex() + FLEX_HEADER_LENGTH); i++) {
-                            if (buf.readableBytes() > FLEX_HEADER_LENGTH + length + 1) {
-                                length += buf.getUnsignedShort(length + FLEX_HEADER_LENGTH) + 2;
-                            } else {
-                                return null;
-                            }
-                        }
-                        length++;
-                        break;
-                    case "~X":
-                        length = buf.getUnsignedShortLE(buf.readerIndex() + FLEX_HEADER_LENGTH) + 4 + 1;
-                        break;
-                    default:
-                        return null;
-                }
-
-                if (buf.readableBytes() >= FLEX_HEADER_LENGTH + length) {
-                    return buf.readRetainedSlice(buf.readableBytes());
-                }
-            }
-
-        } else {
-
-            if (buf.readableBytes() < NTCB_HEADER_LENGTH) {
-                return null;
-            }
-
-            int length = NTCB_HEADER_LENGTH + buf.getUnsignedShortLE(buf.readerIndex() + NTCB_LENGTH_OFFSET);
-            if (buf.readableBytes() >= length) {
-                return buf.readRetainedSlice(length);
-            }
-
-        }
-
-        return null;
-    }
-
-}