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authorAnton Tananaev <anton.tananaev@gmail.com>2013-04-28 12:59:54 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2013-04-28 12:59:54 +1200
commit208312ce478f94c44d9020625edc6cd1a26fa00f (patch)
treee10dce58590b8da39083ccdcb7061609350aed1e /src/org/traccar/protocol/CarscopProtocolDecoder.java
parent4021d2815fb56a75261cfe0cba97f87a63ed9f02 (diff)
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Add Carscop protocol
Diffstat (limited to 'src/org/traccar/protocol/CarscopProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/CarscopProtocolDecoder.java136
1 files changed, 136 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/CarscopProtocolDecoder.java b/src/org/traccar/protocol/CarscopProtocolDecoder.java
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+/*
+ * Copyright 2013 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.BaseProtocolDecoder;
+import org.traccar.ServerManager;
+import org.traccar.helper.Log;
+import org.traccar.model.Position;
+
+public class CarscopProtocolDecoder extends BaseProtocolDecoder {
+
+ private Long deviceId;
+
+ public CarscopProtocolDecoder(ServerManager serverManager) {
+ super(serverManager);
+ }
+
+ // Very similar to TK103 protocol
+ static private Pattern pattern = Pattern.compile(
+ "\\*.*" +
+ "(\\d{2})(\\d{2})(\\d{2})" + // Time (HHMMSS)
+ "([AV])" + // Validity
+ "(\\d{2})(\\d{2}\\.\\d{4})" + // Latitude (DDMM.MMMM)
+ "([NS])" +
+ "(\\d{3})(\\d{2}\\.\\d{4})" + // Longitude (DDDMM.MMMM)
+ "([EW])" +
+ "(\\d{3}\\.\\d)" + // Speed
+ "(\\d{2})(\\d{2})(\\d{2})" + // Date (YYMMDD)
+ "(\\d{3}\\.\\d{2})" + // Course
+ "(\\d{8})" + // State
+ "L(\\d{6})"); // Milage
+
+ @Override
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, Object msg)
+ throws Exception {
+
+ String sentence = (String) msg;
+
+ // Device identification
+ int index = sentence.indexOf("UB05");
+ if (index != -1) {
+ String imei = sentence.substring(index + 4, index + 4 + 15);
+ try {
+ deviceId = getDataManager().getDeviceByImei(imei).getId();
+ } catch(Exception error) {
+ Log.warning("Unknown device - " + imei);
+ }
+ }
+ if (deviceId == null) {
+ return null;
+ }
+
+ // Parse message
+ Matcher parser = pattern.matcher(sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ // Create new position
+ Position position = new Position();
+ position.setDeviceId(deviceId);
+ StringBuilder extendedInfo = new StringBuilder("<protocol>carscop</protocol>");
+ index = 1;
+
+ // Time
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.clear();
+ time.set(Calendar.HOUR, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
+
+ // Validity
+ position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
+
+ // Latitude
+ Double latitude = Double.valueOf(parser.group(index++));
+ latitude += Double.valueOf(parser.group(index++)) / 60;
+ if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
+ position.setLatitude(latitude);
+
+ // Longitude
+ Double lonlitude = Double.valueOf(parser.group(index++));
+ lonlitude += Double.valueOf(parser.group(index++)) / 60;
+ if (parser.group(index++).compareTo("W") == 0) lonlitude = -lonlitude;
+ position.setLongitude(lonlitude);
+
+ // Altitude
+ position.setAltitude(0.0);
+
+ // Speed
+ position.setSpeed(Double.valueOf(parser.group(index++)));
+
+ // Date
+ time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
+ time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
+ position.setTime(time.getTime());
+
+ // Course
+ position.setCourse(Double.valueOf(parser.group(index++)));
+
+ // State
+ extendedInfo.append("<state>");
+ extendedInfo.append(parser.group(index++));
+ extendedInfo.append("</state>");
+
+ // Milage
+ extendedInfo.append("<milage>");
+ extendedInfo.append(Integer.valueOf(parser.group(index++)));
+ extendedInfo.append("</milage>");
+
+ position.setExtendedInfo(extendedInfo.toString());
+ return position;
+ }
+
+}