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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/org/traccar/protocol/L100FrameDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/org/traccar/protocol/L100FrameDecoder.java')
-rw-r--r--src/org/traccar/protocol/L100FrameDecoder.java90
1 files changed, 0 insertions, 90 deletions
diff --git a/src/org/traccar/protocol/L100FrameDecoder.java b/src/org/traccar/protocol/L100FrameDecoder.java
deleted file mode 100644
index 158461895..000000000
--- a/src/org/traccar/protocol/L100FrameDecoder.java
+++ /dev/null
@@ -1,90 +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;
-
-import java.nio.charset.StandardCharsets;
-
-public class L100FrameDecoder extends BaseFrameDecoder {
-
- @Override
- protected Object decode(
- ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
-
- if (buf.readableBytes() < 10) {
- return null;
- }
-
- if (buf.getCharSequence(buf.readerIndex(), 4, StandardCharsets.US_ASCII).toString().equals("ATL,")) {
- return decodeNew(buf);
- } else {
- return decodeOld(buf);
- }
- }
-
- private Object decodeOld(ByteBuf buf) {
-
- int header = buf.getByte(buf.readerIndex());
- boolean obd = header == 'L' || header == 'H';
-
- int index;
- if (obd) {
- index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '*');
- } else {
- index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x02);
- if (index < 0) {
- index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x04);
- if (index < 0) {
- return null;
- }
- }
- }
-
- index += 2; // checksum
-
- if (buf.writerIndex() >= index) {
- if (!obd) {
- buf.skipBytes(2); // header
- }
- ByteBuf frame = buf.readRetainedSlice(index - buf.readerIndex() - 2);
- buf.skipBytes(2); // footer
- return frame;
- }
-
- return null;
- }
-
- private Object decodeNew(ByteBuf buf) {
-
- int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '@');
- if (index < 0) {
- return null;
- }
-
- if (buf.writerIndex() >= index + 1) {
- ByteBuf frame = buf.readRetainedSlice(index - buf.readerIndex());
- buf.skipBytes(1); // delimiter
- return frame;
- }
-
- return null;
- }
-
-}