diff options
Diffstat (limited to 'src/org/traccar/protocol/GlobalSatProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/GlobalSatProtocolDecoder.java | 143 |
1 files changed, 60 insertions, 83 deletions
diff --git a/src/org/traccar/protocol/GlobalSatProtocolDecoder.java b/src/org/traccar/protocol/GlobalSatProtocolDecoder.java index e751524af..05c4dec47 100644 --- a/src/org/traccar/protocol/GlobalSatProtocolDecoder.java +++ b/src/org/traccar/protocol/GlobalSatProtocolDecoder.java @@ -16,13 +16,13 @@ package org.traccar.protocol; import java.net.SocketAddress; -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.traccar.BaseProtocolDecoder; import org.traccar.Context; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; import org.traccar.helper.UnitsConverter; import org.traccar.model.Event; import org.traccar.model.Position; @@ -49,7 +49,6 @@ public class GlobalSatProtocolDecoder extends BaseProtocolDecoder { private Position decodeOriginal(Channel channel, String sentence) { - // Send acknowledgement if (channel != null) { channel.write("ACK\r"); } @@ -65,24 +64,23 @@ public class GlobalSatProtocolDecoder extends BaseProtocolDecoder { } // Check that message contains required parameters - if (!format.contains("B") || !format.contains("S") || - !(format.contains("1") || format.contains("2") || format.contains("3")) || - !(format.contains("6") || format.contains("7") || format.contains("8"))) { + if (!format.contains("B") || !format.contains("S") || !(format.contains("1") + || format.contains("2") || format.contains("3")) || !(format.contains("6") + || format.contains("7") || format.contains("8"))) { return null; } - // Tokenise if (format.contains("*")) { format = format.substring(0, format.indexOf('*')); sentence = sentence.substring(0, sentence.indexOf('*')); } String[] values = sentence.split(","); - // Parse data Position position = new Position(); position.setProtocol(getProtocolName()); - for (int formatIndex = 0, valueIndex = 1; formatIndex < format.length() && valueIndex < values.length; formatIndex++) { + for (int formatIndex = 0, valueIndex = 1; formatIndex < format.length() + && valueIndex < values.length; formatIndex++) { String value = values[valueIndex]; switch (format.charAt(formatIndex)) { @@ -100,29 +98,33 @@ public class GlobalSatProtocolDecoder extends BaseProtocolDecoder { } break; case 'B': - Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); - time.clear(); - time.set(Calendar.DAY_OF_MONTH, Integer.parseInt(value.substring(0, 2))); - time.set(Calendar.MONTH, Integer.parseInt(value.substring(2, 4)) - 1); - time.set(Calendar.YEAR, 2000 + Integer.parseInt(value.substring(4))); + DateBuilder dateBuilder = new DateBuilder() + .setDay(Integer.parseInt(value.substring(0, 2))) + .setMonth(Integer.parseInt(value.substring(2, 4))) + .setYear(Integer.parseInt(value.substring(4))); value = values[++valueIndex]; - time.set(Calendar.HOUR_OF_DAY, Integer.parseInt(value.substring(0, 2))); - time.set(Calendar.MINUTE, Integer.parseInt(value.substring(2, 4))); - time.set(Calendar.SECOND, Integer.parseInt(value.substring(4))); - position.setTime(time.getTime()); + dateBuilder + .setHour(Integer.parseInt(value.substring(0, 2))) + .setMinute(Integer.parseInt(value.substring(2, 4))) + .setSecond(Integer.parseInt(value.substring(4))); + position.setTime(dateBuilder.getDate()); break; case 'C': valueIndex += 1; break; case '1': double longitude = Double.parseDouble(value.substring(1)); - if (value.charAt(0) == 'W') longitude = -longitude; + if (value.charAt(0) == 'W') { + longitude = -longitude; + } position.setLongitude(longitude); break; case '2': longitude = Double.parseDouble(value.substring(4)) / 60; longitude += Integer.parseInt(value.substring(1, 4)); - if (value.charAt(0) == 'W') longitude = -longitude; + if (value.charAt(0) == 'W') { + longitude = -longitude; + } position.setLongitude(longitude); break; case '3': @@ -130,13 +132,17 @@ public class GlobalSatProtocolDecoder extends BaseProtocolDecoder { break; case '6': double latitude = Double.parseDouble(value.substring(1)); - if (value.charAt(0) == 'S') latitude = -latitude; + if (value.charAt(0) == 'S') { + latitude = -latitude; + } position.setLatitude(latitude); break; case '7': latitude = Double.parseDouble(value.substring(3)) / 60; latitude += Integer.parseInt(value.substring(1, 3)); - if (value.charAt(0) == 'S') latitude = -latitude; + if (value.charAt(0) == 'S') { + latitude = -latitude; + } position.setLatitude(latitude); break; case '8': @@ -170,84 +176,55 @@ public class GlobalSatProtocolDecoder extends BaseProtocolDecoder { return position; } - private static final Pattern PATTERN = Pattern.compile( - "\\$" + - "(\\d+)," + // IMEI - "\\d+," + // mode - "(\\d)," + // Fix - "(\\d{2})(\\d{2})(\\d{2})," + // Date (DDMMYY) - "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS) - "([EW])" + - "(\\d{3})(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM) - "([NS])" + - "(\\d{2})(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM) - "(\\d+\\.?\\d*)," + // Altitude - "(\\d+\\.?\\d*)," + // Speed - "(\\d+\\.?\\d*)," + // Course - "(\\d+)," + // Satellites - "(\\d+\\.?\\d*)"); // HDOP + private static final Pattern PATTERN = new PatternBuilder() + .txt("$") + .num("(d+),") // imei + .num("d+,") // mode + .num("(d),") // fix + .num("(dd)(dd)(dd),") // date (ddmmyy) + .num("(dd)(dd)(dd),") // time (hhmmss) + .xpr("([EW])") + .num("(ddd)(dd.d+),") // longitude (dddmm.mmmm) + .xpr("([NS])") + .num("(dd)(dd.d+),") // latitude (ddmm.mmmm) + .num("(d+.?d*),") // altitude + .num("(d+.?d*),") // speed + .num("(d+.?d*),") // course + .num("(d+),") // satellites + .num("(d+.?d*)") // hdop + .compile(); private Position decodeAlternative(Channel channel, String sentence) { - // Parse message - Matcher parser = PATTERN.matcher(sentence); + Parser parser = new Parser(PATTERN, sentence); if (!parser.matches()) { return null; } - // Create new position Position position = new Position(); position.setProtocol(getProtocolName()); - Integer index = 1; - // Identification - if (!identify(parser.group(index++), channel)) { + if (!identify(parser.next(), channel)) { return null; } position.setDeviceId(getDeviceId()); - // Validity - position.setValid(parser.group(index++).compareTo("1") != 0); - - // Time - Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); - time.clear(); - time.set(Calendar.DAY_OF_MONTH, Integer.parseInt(parser.group(index++))); - time.set(Calendar.MONTH, Integer.parseInt(parser.group(index++)) - 1); - time.set(Calendar.YEAR, 2000 + Integer.parseInt(parser.group(index++))); - time.set(Calendar.HOUR_OF_DAY, 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()); - - // Longitude - String hemisphere = parser.group(index++); - Double longitude = Double.parseDouble(parser.group(index++)); - longitude += Double.parseDouble(parser.group(index++)) / 60; - if (hemisphere.compareTo("W") == 0) longitude = -longitude; - position.setLongitude(longitude); - - // Latitude - hemisphere = parser.group(index++); - Double latitude = Double.parseDouble(parser.group(index++)); - latitude += Double.parseDouble(parser.group(index++)) / 60; - if (hemisphere.compareTo("S") == 0) latitude = -latitude; - position.setLatitude(latitude); - - // Altitude - position.setAltitude(Double.parseDouble(parser.group(index++))); + position.setValid(parser.next().equals("1")); - // Speed - position.setSpeed(Double.parseDouble(parser.group(index++))); + DateBuilder dateBuilder = new DateBuilder() + .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()) + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); - // Course - position.setCourse(Double.parseDouble(parser.group(index++))); + position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN)); + position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN)); + position.setAltitude(parser.nextDouble()); + position.setSpeed(parser.nextDouble()); + position.setCourse(parser.nextDouble()); - // Satellites - position.set(Event.KEY_SATELLITES, Integer.parseInt(parser.group(index++))); + position.set(Event.KEY_SATELLITES, parser.nextInt()); + position.set(Event.KEY_HDOP, parser.next()); - // HDOP - position.set(Event.KEY_HDOP, parser.group(index++)); return position; } |