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Diffstat (limited to 'src/org/traccar/protocol/NavigilFrameDecoder.java')
-rw-r--r--src/org/traccar/protocol/NavigilFrameDecoder.java56
1 files changed, 0 insertions, 56 deletions
diff --git a/src/org/traccar/protocol/NavigilFrameDecoder.java b/src/org/traccar/protocol/NavigilFrameDecoder.java
deleted file mode 100644
index e8b6bea52..000000000
--- a/src/org/traccar/protocol/NavigilFrameDecoder.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2013 - 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 NavigilFrameDecoder extends BaseFrameDecoder {
-
- private static final int MESSAGE_HEADER = 20;
- private static final long PREAMBLE = 0x2477F5F6;
-
- @Override
- protected Object decode(
- ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
-
- // Check minimum length
- if (buf.readableBytes() < MESSAGE_HEADER) {
- return null;
- }
-
- // Check for preamble
- boolean hasPreamble = false;
- if (buf.getUnsignedIntLE(buf.readerIndex()) == PREAMBLE) {
- hasPreamble = true;
- }
-
- // Check length and return buffer
- int length = buf.getUnsignedShortLE(buf.readerIndex() + 6);
- if (buf.readableBytes() >= length) {
- if (hasPreamble) {
- buf.readUnsignedIntLE();
- length -= 4;
- }
- return buf.readRetainedSlice(length);
- }
-
- return null;
- }
-
-}