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-rw-r--r--src/org/traccar/protocol/GpsmtaProtocolDecoder.java94
1 files changed, 94 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/GpsmtaProtocolDecoder.java b/src/org/traccar/protocol/GpsmtaProtocolDecoder.java
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+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.TimeZone;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class GpsmtaProtocolDecoder extends BaseProtocolDecoder {
+
+ public GpsmtaProtocolDecoder(GpsmtaProtocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern pattern = Pattern.compile(
+ "(\\d+) " + // UID
+ "(\\d+) " + // Time
+ "(\\d+\\.\\d+) " + // Latitude
+ "(\\d+\\.\\d+) " + // Longitude
+ "(\\d+) " + // Speed
+ "(\\d+) " + // Course
+ "(\\d+) " + // Accuracy
+ "(\\d+) " + // Altitude
+ "(\\d+) " + // Flags
+ "(\\d+) " + // Battery
+ "(\\d+) " + // Temperature
+ "(\\d).*"); // Changing status
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg)
+ throws Exception {
+
+ String sentence = (String) msg;
+
+ Matcher parser = pattern.matcher(sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+
+ Integer index = 1;
+
+ if (!identify(parser.group(index++), channel, remoteAddress)) {
+ return null;
+ }
+ position.setDeviceId(getDeviceId());
+
+ String time = parser.group(index++);
+ position.setTime(new Date(Long.parseLong(time) * 1000));
+
+ position.setLatitude(Double.parseDouble(parser.group(index++)));
+ position.setLongitude(Double.parseDouble(parser.group(index++)));
+ position.setSpeed(Integer.parseInt(parser.group(index++)));
+ position.setCourse(Integer.parseInt(parser.group(index++)));
+ index++; // accuracy
+ position.setAltitude(Integer.parseInt(parser.group(index++)));
+
+ position.set(Event.KEY_STATUS, Integer.parseInt(parser.group(index++)));
+ position.set(Event.KEY_BATTERY, Integer.parseInt(parser.group(index++)));
+ position.set(Event.PREFIX_TEMP + 1, Integer.parseInt(parser.group(index++)));
+ position.set(Event.KEY_CHARGE, Integer.parseInt(parser.group(index++)) == 1);
+
+ if (channel != null) {
+ channel.write(time, remoteAddress);
+ }
+
+ return position;
+ }
+
+}