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authorAnton Tananaev <anton.tananaev@gmail.com>2012-11-13 21:58:17 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2012-11-13 21:58:17 +1300
commit3ee4d2fba538eee4d1774bd79e07c64dc0af97e5 (patch)
treeaaf69aa6b63874ccb226f966b2681746eee28a65 /src/org/traccar/protocol
parentf0d4f9de581b1f579608cbc3f5165c0b14317993 (diff)
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Added TR20 support (Fix #79)
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/Tr20ProtocolDecoder.java142
1 files changed, 142 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/Tr20ProtocolDecoder.java b/src/org/traccar/protocol/Tr20ProtocolDecoder.java
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index 000000000..8f2f49218
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+++ b/src/org/traccar/protocol/Tr20ProtocolDecoder.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright 2012 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.util.Calendar;
+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.GenericProtocolDecoder;
+import org.traccar.model.DataManager;
+import org.traccar.model.Position;
+
+/**
+ * TR20 tracker protocol decoder
+ */
+public class Tr20ProtocolDecoder extends GenericProtocolDecoder {
+
+ /**
+ * Initialize
+ */
+ public Tr20ProtocolDecoder(DataManager dataManager) {
+ super(dataManager);
+ }
+
+ static private Pattern patternPing = Pattern.compile(
+ "\\%\\%[^,]+,(\\d+)");
+
+ //%%TR-10,A,050916070549,N2240.8887E11359.2994,0,000,NA,D3800000,150,CFG:resend|
+ //%%123456789012345,A,120101121800,N6000.0000E13000.0000,0,000,0,01034802,150,[Message]
+ static private Pattern patternData = Pattern.compile(
+ "\\%\\%" +
+ "([^,]+)," + // Id
+ "([AL])," + // Validity
+ "(\\d{2})(\\d{2})(\\d{2})" + // Date (YYMMDD)
+ "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS)
+ "([NS])" +
+ "(\\d{2})(\\d{2}\\.\\d+)" + // Latitude (DDMM.MMMM)
+ "([EW])" +
+ "(\\d{3})(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM)
+ "(\\d+)," + // Speed
+ "(\\d+)," + // Course
+ ".*");
+
+ /**
+ * Decode message
+ */
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, Object msg)
+ throws Exception {
+
+ String sentence = (String) msg;
+
+ // Keep alive message
+ Matcher parser = patternPing.matcher(sentence);
+ if (parser.matches()) {
+
+ // Send response
+ if (channel != null) {
+ channel.write("&&" + parser.group(1) + "\r\n");
+ }
+ } else {
+
+ // Data message parse
+ parser = patternData.matcher(sentence);
+
+ // Unknown message
+ if (!parser.matches()) {
+ return null;
+ }
+
+ // Create new position
+ Position position = new Position();
+ StringBuilder extendedInfo = new StringBuilder("<protocol>tr20</protocol>");
+
+ Integer index = 1;
+
+ // Get device by id
+ String id = parser.group(index++);
+ position.setDeviceId(getDataManager().getDeviceByImei(id).getId());
+
+ // Validity
+ position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
+
+ // Time
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.clear();
+ time.set(Calendar.YEAR, 2000 + Integer.parseInt(parser.group(index++)));
+ time.set(Calendar.MONTH, Integer.parseInt(parser.group(index++)) - 1);
+ time.set(Calendar.DAY_OF_MONTH, Integer.parseInt(parser.group(index++)));
+ time.set(Calendar.HOUR, Integer.parseInt(parser.group(index++)));
+ time.set(Calendar.MINUTE, Integer.parseInt(parser.group(index++)));
+ time.set(Calendar.SECOND, Integer.parseInt(parser.group(index++)));
+ position.setTime(time.getTime());
+
+ // Latitude
+ int hemisphere = 1;
+ if (parser.group(index++).compareTo("S") == 0) hemisphere = -1;
+ Double latitude = Double.valueOf(parser.group(index++));
+ latitude += Double.valueOf(parser.group(index++)) / 60;
+ position.setLatitude(latitude * hemisphere);
+
+ // Longitude
+ hemisphere = 1;
+ if (parser.group(index++).compareTo("W") == 0) hemisphere = -1;
+ Double lonlitude = Double.valueOf(parser.group(index++));
+ lonlitude += Double.valueOf(parser.group(index++)) / 60;
+ position.setLongitude(lonlitude * hemisphere);
+
+ // Speed
+ position.setSpeed(Double.valueOf(parser.group(index++)));
+
+ // Course
+ position.setCourse(Double.valueOf(parser.group(index++)));
+
+ // Altitude
+ position.setAltitude(0.0);
+
+ // Extended info
+ position.setExtendedInfo(extendedInfo.toString());
+
+ return position;
+ }
+
+ return null;
+ }
+
+}