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authorAnton Tananaev <anton.tananaev@gmail.com>2015-02-14 11:25:02 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-02-14 11:25:02 +1300
commit9f929e8ab59ac4512c695f22fb1f7dc66349c84a (patch)
tree9bd46b0e818a3008418bfbd7dffba2278eacbab0 /src/org/traccar/protocol
parent2e218a2f028959037eec61b7be5c603c325c8545 (diff)
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Implement GoSafe protocol (fix #1079)
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/GoSafeProtocolDecoder.java117
1 files changed, 117 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/GoSafeProtocolDecoder.java b/src/org/traccar/protocol/GoSafeProtocolDecoder.java
new file mode 100644
index 000000000..7d43fd4e7
--- /dev/null
+++ b/src/org/traccar/protocol/GoSafeProtocolDecoder.java
@@ -0,0 +1,117 @@
+/*
+ * 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 java.net.SocketAddress;
+import java.util.Calendar;
+import java.util.Properties;
+import java.util.TimeZone;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.database.DataManager;
+import org.traccar.helper.Log;
+import org.traccar.model.ExtendedInfoFormatter;
+import org.traccar.model.Position;
+
+public class GoSafeProtocolDecoder extends BaseProtocolDecoder {
+
+ public GoSafeProtocolDecoder(DataManager dataManager, String protocol, Properties properties) {
+ super(dataManager, protocol, properties);
+ }
+
+ private static final Pattern pattern = Pattern.compile(
+ "\\*[^,]+," +
+ "(\\d+)," + // IMEI
+ "(\\d{2})(\\d{2})(\\d{2})" + // Time
+ "(\\d{2})(\\d{2})(\\d{2})," + // Date
+ ".*," +
+ "GPS.([AV]);" + // Validity
+ "\\d+;" +
+ "([NS])(\\d+\\.\\d+);" + // Latitude
+ "([EW])(\\d+\\.\\d+);" + // Longitude
+ ".*");
+
+ @Override
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, SocketAddress remoteAddress, Object msg)
+ throws Exception {
+
+ String sentence = (String) msg;
+
+ // Parse message
+ Matcher parser = pattern.matcher(sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ // Create new position
+ Position position = new Position();
+ ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter(getProtocol());
+
+ Integer index = 1;
+
+ // Get device by IMEI
+ String imei = parser.group(index++);
+ try {
+ position.setDeviceId(getDataManager().getDeviceByImei(imei).getId());
+ } catch(Exception error) {
+ Log.warning("Unknown device - " + imei);
+ return null;
+ }
+
+ // Date
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.clear();
+ time.set(Calendar.HOUR_OF_DAY, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
+ time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++)));
+ position.setTime(time.getTime());
+
+ // Validity
+ position.setValid(parser.group(index++).compareTo("A") == 0);
+
+ // Latitude
+ String hemisphere = parser.group(index++);
+ Double latitude = Double.valueOf(parser.group(index++));
+ if (hemisphere.compareTo("S") == 0) latitude = -latitude;
+ position.setLatitude(latitude);
+
+ // Longitude
+ hemisphere = parser.group(index++);
+ Double longitude = Double.valueOf(parser.group(index++));
+ if (hemisphere.compareTo("W") == 0) longitude = -longitude;
+ position.setLongitude(longitude);
+
+ // Other
+ position.setSpeed(0.0);
+ position.setCourse(0.0);
+ position.setAltitude(0.0);
+
+ // Extended info
+ position.setExtendedInfo(extendedInfo.toString());
+
+ return position;
+ }
+
+}