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author | Anton Tananaev <anton.tananaev@gmail.com> | 2018-09-26 12:10:50 +1200 |
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committer | Anton Tananaev <anton.tananaev@gmail.com> | 2018-09-26 12:10:50 +1200 |
commit | 61f82e3dce810d99bfdd02e6b7e66c6f617a13b5 (patch) | |
tree | dbb31d0564d69cd4d31e4f06b10112d2725665d3 /src/org/traccar/protocol/ItsProtocolDecoder.java | |
parent | a0991e9461ef0a6a14ba90aa9a91dc9ce790bce9 (diff) | |
download | traccar-server-61f82e3dce810d99bfdd02e6b7e66c6f617a13b5.tar.gz traccar-server-61f82e3dce810d99bfdd02e6b7e66c6f617a13b5.tar.bz2 traccar-server-61f82e3dce810d99bfdd02e6b7e66c6f617a13b5.zip |
Implement ITS protocol
Diffstat (limited to 'src/org/traccar/protocol/ItsProtocolDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/ItsProtocolDecoder.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/ItsProtocolDecoder.java b/src/org/traccar/protocol/ItsProtocolDecoder.java new file mode 100644 index 000000000..53d796b03 --- /dev/null +++ b/src/org/traccar/protocol/ItsProtocolDecoder.java @@ -0,0 +1,81 @@ +/* + * Copyright 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.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.regex.Pattern; + +public class ItsProtocolDecoder extends BaseProtocolDecoder { + + public ItsProtocolDecoder(ItsProtocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .text("$,") + .expression("[^,]+,") // header + .expression("[^,]+,") // type + .number("(d{15}),") // imei + .expression("(?:NM|SP),") // status + .number("(dd),(dd),(dddd),") // date (ddmmyyyy) + .number("(dd),(dd),(dd),") // time (hhmmss) + .expression("([AV]),") // valid + .number("(d+.d+),([NS]),") // latitude + .number("(d+.d+),([EW]),") // longitude + .number("(-?d+.d+),") // altitude + .number("(d+.d+),") // speed + .number("(d+.d+),") // distance + .any() + .compile(); + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + Parser parser = new Parser(PATTERN, (String) msg); + if (!parser.matches()) { + return null; + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); + if (deviceSession == null) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS)); + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM)); + position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM)); + position.setAltitude(parser.nextDouble()); + position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble())); + + position.set(Position.KEY_ODOMETER, parser.nextDouble()); + + return position; + } + +} |