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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.java152
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
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+++ 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;
+ }
+
+}