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authorAnton Tananaev <anton.tananaev@gmail.com>2011-11-09 12:07:58 +0000
committerAnton Tananaev <anton.tananaev@gmail.com>2011-11-09 12:07:58 +0000
commit139177767ab256033a5c3b71ea84b92c1dcbe504 (patch)
tree0294e0a962329d0bdc5b95da7dd6ffa514906322 /src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java
parentcc1f8e376ddbc7a5db0256e3ae7697774fa76dbd (diff)
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Diffstat (limited to 'src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java')
-rw-r--r--src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java157
1 files changed, 90 insertions, 67 deletions
diff --git a/src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java b/src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java
index 967165bcb..01954b474 100644
--- a/src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java
+++ b/src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java
@@ -45,6 +45,11 @@ public class T55ProtocolDecoder extends OneToOneDecoder {
* Reset connection delay
*/
private Integer resetDelay;
+
+ /**
+ * Device ID
+ */
+ private Long deviceId;
/**
* Init device table
@@ -58,21 +63,17 @@ public class T55ProtocolDecoder extends OneToOneDecoder {
* Regular expressions pattern
*/
static private Pattern pattern = Pattern.compile(
- "\\(" +
- "(\\d+)" + // Device ID
- "(.{4})" + // Command
- "(\\d{15})" + // IMEI (?)
- "(\\d{2})(\\d{2})(\\d{2})" + // Date (YYMMDD)
- "([AV])" + // Validity
- "(\\d{2})(\\d{2}.\\d{4})" + // Latitude (DDMM.MMMM)
- "([NS])" +
- "(\\d{3})(\\d{2}.\\d{4})" + // Longitude (DDDMM.MMMM)
- "([EW])" +
- "(\\d+.\\d)" + // Speed
- "(\\d{2})(\\d{2})(\\d{2})" + // Time (HHMMSS)
- "(\\d+.\\d{2})" + // Course
- "(\\d+)" + // State
- ".+"); // Mileage (?)
+ "\\$GPRMC," +
+ "(\\d{2})(\\d{2})(\\d{2}).(\\d{3})," + // Time (HHMMSS.SSS)
+ "([AV])," + // Validity
+ "(\\d{2})(\\d{2}.\\d{4})," + // Latitude (DDMM.MMMM)
+ "([NS])," +
+ "(\\d{3})(\\d{2}.\\d{4})," + // Longitude (DDDMM.MMMM)
+ "([EW])," +
+ "(\\d+.\\d{2})?," + // Speed
+ "(\\d+.\\d{2})?," + // Course
+ "(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY)
+ ".+"); // Other (Checksumm)
/**
* Decode message
@@ -82,65 +83,87 @@ public class T55ProtocolDecoder extends OneToOneDecoder {
throws Exception {
String sentence = (String) msg;
+
+ //System.out.println(sentence);
- System.out.println(sentence); // DELME
-
- // TODO: Send response (?)
-
- // Parse message
- Matcher parser = pattern.matcher(sentence);
- if (!parser.matches()) {
- return null;
+ // Detect device ID
+ if (sentence.contains("$PGID")) {
+ String imei = sentence.substring(6, 6 + 15);
+ deviceId = dataManager.getDeviceByImei(imei).getId();
}
- // Create new position
- Position position = new Position();
-
- Integer index = 1;
- index += 2; // Skip Device ID and command
-
- // Get device by IMEI
- String imei = parser.group(index++);
- position.setDeviceId(dataManager.getDeviceByImei(imei).getId());
-
- // Date
- Calendar time = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
- time.clear();
- time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++)));
- time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
- time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
-
- // Validity
- position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
-
- // Latitude
- Double latitude = Double.valueOf(parser.group(index++));
- latitude += Double.valueOf(parser.group(index++)) / 60;
- if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
- position.setLatitude(latitude);
-
- // Longitude
- Double lonlitude = Double.valueOf(parser.group(index++));
- lonlitude += Double.valueOf(parser.group(index++)) / 60;
- if (parser.group(index++).compareTo("W") == 0) lonlitude = -lonlitude;
- position.setLongitude(lonlitude);
-
- // Altitude
- position.setAltitude(0.0);
+ // Parse message
+ else if (sentence.contains("$GPRMC") && deviceId != null) {
- // Speed
- position.setSpeed(Double.valueOf(parser.group(index++)));
+ // Send response
+ if (channel != null) {
+ channel.write("OK1\r\n");
+ }
- // Time
- 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());
+ // Parse message
+ Matcher parser = pattern.matcher(sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ // Create new position
+ Position position = new Position();
+ position.setDeviceId(deviceId);
+
+ Integer index = 1;
+
+ // Time
+ Calendar time = new GregorianCalendar(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++)));
+ index += 1; // Skip milliseconds
+ position.setTime(time.getTime());
+
+ // 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);
+
+ // Speed
+ String speed = parser.group(index++);
+ if (speed != null) {
+ position.setSpeed(Double.valueOf(speed));
+ } else {
+ position.setSpeed(0.0);
+ }
- // Course
- position.setCourse(Double.valueOf(parser.group(index++)));
+ // Course
+ String course = parser.group(index++);
+ if (course != null) {
+ position.setCourse(Double.valueOf(course));
+ } else {
+ position.setCourse(0.0);
+ }
+
+ // Date
+ 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++)));
+
+ // Altitude
+ position.setAltitude(0.0);
+
+ return position;
+ }
- return position;
+ return null;
}
/**