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Diffstat (limited to 'src/main/java/org/traccar/protocol/Tlt2hProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/Tlt2hProtocolDecoder.java | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/Tlt2hProtocolDecoder.java b/src/main/java/org/traccar/protocol/Tlt2hProtocolDecoder.java new file mode 100644 index 000000000..f67ff88db --- /dev/null +++ b/src/main/java/org/traccar/protocol/Tlt2hProtocolDecoder.java @@ -0,0 +1,152 @@ +/* + * 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.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.LinkedList; +import java.util.List; +import java.util.regex.Pattern; + +public class Tlt2hProtocolDecoder extends BaseProtocolDecoder { + + public Tlt2hProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN_HEADER = new PatternBuilder() + .number("#(d+)#") // imei + .any() + .expression("([^#]+)#") // status + .number("d+") // number of records + .compile(); + + private static final Pattern PATTERN_POSITION = new PatternBuilder() + .number("#(x+)?") // cell info + .text("$GPRMC,") + .number("(dd)(dd)(dd).d+,") // time (hhmmss.sss) + .expression("([AV]),") // validity + .number("(d+)(dd.d+),") // latitude + .expression("([NS]),") + .number("(d+)(dd.d+),") // longitude + .number("([EW]),") + .number("(d+.?d*)?,") // speed + .number("(d+.?d*)?,") // course + .number("(dd)(dd)(dd)") // date (ddmmyy) + .any() + .compile(); + + private void decodeStatus(Position position, String status) { + switch (status) { + case "AUTOSTART": + case "AUTO": + position.set(Position.KEY_IGNITION, true); + break; + case "AUTOSTOP": + case "AUTOLOW": + position.set(Position.KEY_IGNITION, false); + break; + case "TOWED": + position.set(Position.KEY_ALARM, Position.ALARM_TOW); + break; + case "SOS": + position.set(Position.KEY_ALARM, Position.ALARM_SOS); + break; + case "DEF": + position.set(Position.KEY_ALARM, Position.ALARM_POWER_CUT); + break; + case "BLP": + position.set(Position.KEY_ALARM, Position.ALARM_LOW_BATTERY); + break; + case "CLP": + position.set(Position.KEY_ALARM, Position.ALARM_LOW_POWER); + break; + case "OS": + position.set(Position.KEY_ALARM, Position.ALARM_GEOFENCE_EXIT); + break; + case "RS": + position.set(Position.KEY_ALARM, Position.ALARM_GEOFENCE_ENTER); + break; + case "OVERSPEED": + position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED); + break; + default: + break; + } + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + sentence = sentence.trim(); + + String header = sentence.substring(0, sentence.indexOf('\r')); + Parser parser = new Parser(PATTERN_HEADER, header); + if (!parser.matches()) { + return null; + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); + if (deviceSession == null) { + return null; + } + + String status = parser.next(); + + String[] messages = sentence.substring(sentence.indexOf('\n') + 1).split("\r\n"); + List<Position> positions = new LinkedList<>(); + + for (String message : messages) { + parser = new Parser(PATTERN_POSITION, message); + if (parser.matches()) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + parser.next(); // base station info + + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble(0)); + position.setCourse(parser.nextDouble(0)); + + dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + position.setTime(dateBuilder.getDate()); + + decodeStatus(position, status); + + positions.add(position); + } + } + + return positions; + } + +} |