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Diffstat (limited to 'src/main/java/org/traccar/protocol/Gl100ProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/Gl100ProtocolDecoder.java97
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diff --git a/src/main/java/org/traccar/protocol/Gl100ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gl100ProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/Gl100ProtocolDecoder.java
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+/*
+ * Copyright 2012 - 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.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class Gl100ProtocolDecoder extends BaseProtocolDecoder {
+
+ public Gl100ProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("+RESP:")
+ .expression("GT...,")
+ .number("(d{15}),") // imei
+ .groupBegin()
+ .number("d+,") // number
+ .number("d,") // reserved / geofence id
+ .number("d+") // reserved / geofence alert // battery
+ .or()
+ .number("[^,]*") // calling number
+ .groupEnd(",")
+ .expression("([01]),") // gps fix
+ .number("(d+.d),") // speed
+ .number("(d+),") // course
+ .number("(-?d+.d),") // altitude
+ .number("d*,") // gps accuracy
+ .number("(-?d+.d+),") // longitude
+ .number("(-?d+.d+),") // latitude
+ .number("(dddd)(dd)(dd)") // date (yyyymmdd)
+ .number("(dd)(dd)(dd),") // time (hhmmss)
+ .any()
+ .compile();
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ String sentence = (String) msg;
+
+ if (sentence.contains("AT+GTHBD=") && channel != null) {
+ String response = "+RESP:GTHBD,GPRS ACTIVE,";
+ response += sentence.substring(9, sentence.lastIndexOf(','));
+ response += '\0';
+ channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); // heartbeat response
+ }
+
+ Parser parser = new Parser(PATTERN, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+ if (deviceSession == null) {
+ return null;
+ }
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.setValid(parser.nextInt(0) == 0);
+ position.setSpeed(parser.nextDouble(0));
+ position.setCourse(parser.nextDouble(0));
+ position.setAltitude(parser.nextDouble(0));
+ position.setLongitude(parser.nextDouble(0));
+ position.setLatitude(parser.nextDouble(0));
+
+ position.setTime(parser.nextDateTime());
+
+ return position;
+ }
+
+}