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author | Anton Tananaev <anton.tananaev@gmail.com> | 2019-03-31 22:35:39 -0700 |
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committer | Anton Tananaev <anton.tananaev@gmail.com> | 2019-03-31 22:35:39 -0700 |
commit | 59416923dcb3a756eaf532cc4259f2f6625c0762 (patch) | |
tree | 9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/org/traccar/protocol/TmgFrameDecoder.java | |
parent | 79a129dd6327d932133d6b9a50190d3f4927bff9 (diff) | |
download | traccar-server-59416923dcb3a756eaf532cc4259f2f6625c0762.tar.gz traccar-server-59416923dcb3a756eaf532cc4259f2f6625c0762.tar.bz2 traccar-server-59416923dcb3a756eaf532cc4259f2f6625c0762.zip |
Convert project to gradle
Diffstat (limited to 'src/org/traccar/protocol/TmgFrameDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/TmgFrameDecoder.java | 67 |
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; - } - -} |