aboutsummaryrefslogtreecommitdiff
path: root/src/org/traccar/protocol
diff options
context:
space:
mode:
authorAnton Tananaev <anton.tananaev@gmail.com>2012-12-05 22:56:14 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2012-12-05 22:56:14 +1300
commitb444e789127951b902d557517a520d44c59f15d2 (patch)
tree34d9b78d6606e52906f7633059f40d71dad77b00 /src/org/traccar/protocol
parent206600cd599e03eaa095619fc8a52b742d3413a1 (diff)
downloadtraccar-server-b444e789127951b902d557517a520d44c59f15d2.tar.gz
traccar-server-b444e789127951b902d557517a520d44c59f15d2.tar.bz2
traccar-server-b444e789127951b902d557517a520d44c59f15d2.zip
Added meitrack protocol (fix #103)
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/MeitrackProtocolDecoder.java151
1 files changed, 151 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/MeitrackProtocolDecoder.java b/src/org/traccar/protocol/MeitrackProtocolDecoder.java
new file mode 100644
index 000000000..6bb9a915f
--- /dev/null
+++ b/src/org/traccar/protocol/MeitrackProtocolDecoder.java
@@ -0,0 +1,151 @@
+/*
+ * 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.helper.Log;
+import org.traccar.model.DataManager;
+import org.traccar.model.Position;
+
+/**
+ * Meitrack protocol decoder
+ */
+public class MeitrackProtocolDecoder extends GenericProtocolDecoder {
+
+ /**
+ * Initialize
+ */
+ public MeitrackProtocolDecoder(DataManager dataManager) {
+ super(dataManager);
+ }
+
+ /**
+ * Regular expressions pattern
+ */
+ static private Pattern pattern = Pattern.compile(
+ "\\$\\$." + // Flag
+ "\\d+," + // Length
+ "(\\d+)," + // IMEI
+ "[0-9a-fA-F]{3}," + // Command
+ "(\\d+)," + // Event
+ "(-?\\d+\\.\\d+)," + // Latitude
+ "(-?\\d+\\.\\d+)," + // Longitude
+ "(\\d{2})(\\d{2})(\\d{2})" + // Date (YYMMDD)
+ "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS)
+ "([AV])," + // Validity
+ "(\\d+)," + // Satellites
+ "(\\d+)," + // GSM Signal
+ "(\\d+)," + // Speed
+ "(\\d+)," + // Course
+ "(\\d+)," + // HDOP
+ "(\\d+)," + // Altitude
+ "(\\d+)," + // Milage
+ ".*"); // TODO: parse other stuff
+
+ /**
+ * Decode message
+ */
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, Object msg)
+ throws Exception {
+
+ // Parse message
+ String sentence = (String) msg;
+ Matcher parser = pattern.matcher(sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ // Create new position
+ Position position = new Position();
+ StringBuilder extendedInfo = new StringBuilder("<protocol>meitrack</protocol>");
+
+ 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;
+ }
+
+ // Event
+ extendedInfo.append("<event>");
+ extendedInfo.append(parser.group(index++));
+ extendedInfo.append("</event>");
+
+ // Coordinates
+ position.setLatitude(Double.valueOf(parser.group(index++)));
+ position.setLongitude(Double.valueOf(parser.group(index++)));
+
+ // Time
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.clear();
+ 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++)));
+ 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++)));
+ position.setTime(time.getTime());
+
+ // Validity
+ position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
+
+ // Satellites
+ extendedInfo.append("<satellites>");
+ extendedInfo.append(parser.group(index++));
+ extendedInfo.append("</satellites>");
+
+ // GSM Signal
+ extendedInfo.append("<gsm>");
+ extendedInfo.append(parser.group(index++));
+ extendedInfo.append("</gsm>");
+
+ // Speed
+ position.setSpeed(Double.valueOf(parser.group(index++)));
+
+ // Course
+ position.setCourse(Double.valueOf(parser.group(index++)));
+
+ // HDOP
+ extendedInfo.append("<hdop>");
+ extendedInfo.append(parser.group(index++));
+ extendedInfo.append("</hdop>");
+
+ // Altitude
+ position.setAltitude(Double.valueOf(parser.group(index++)));
+
+ // Milage
+ extendedInfo.append("<milage>");
+ extendedInfo.append(parser.group(index++));
+ extendedInfo.append("</milage>");
+
+ // Extended info
+ position.setExtendedInfo(extendedInfo.toString());
+
+ return position;
+ }
+
+}