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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/TmgFrameDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/org/traccar/protocol/TmgFrameDecoder.java')
-rw-r--r--src/org/traccar/protocol/TmgFrameDecoder.java67
1 files changed, 0 insertions, 67 deletions
diff --git a/src/org/traccar/protocol/TmgFrameDecoder.java b/src/org/traccar/protocol/TmgFrameDecoder.java
deleted file mode 100644
index 205adaa51..000000000
--- a/src/org/traccar/protocol/TmgFrameDecoder.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright 2017 - 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 org.traccar.BaseFrameDecoder;
-
-import io.netty.buffer.ByteBuf;
-import io.netty.channel.Channel;
-import io.netty.channel.ChannelHandlerContext;
-
-public class TmgFrameDecoder extends BaseFrameDecoder {
-
- private boolean isLetter(byte c) {
- return c >= 'a' && c <= 'z';
- }
-
- private int findHeader(ByteBuf buffer) {
- int guessedIndex = buffer.indexOf(buffer.readerIndex(), buffer.writerIndex(), (byte) '$');
- while (guessedIndex != -1 && buffer.writerIndex() - guessedIndex >= 5) {
- if (buffer.getByte(guessedIndex + 4) == ','
- && isLetter(buffer.getByte(guessedIndex + 1))
- && isLetter(buffer.getByte(guessedIndex + 2))
- && isLetter(buffer.getByte(guessedIndex + 3))) {
- return guessedIndex;
- }
- guessedIndex = buffer.indexOf(guessedIndex, buffer.writerIndex(), (byte) '$');
- }
- return -1;
- }
-
- @Override
- protected Object decode(
- ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
-
- int beginIndex = findHeader(buf);
-
- if (beginIndex >= 0) {
-
- buf.readerIndex(beginIndex);
-
- int endIndex = buf.indexOf(beginIndex, buf.writerIndex(), (byte) '\n');
-
- if (endIndex >= 0) {
- ByteBuf frame = buf.readRetainedSlice(endIndex - beginIndex);
- buf.readByte(); // delimiter
- return frame;
- }
-
- }
-
- return null;
- }
-
-}