diff options
Diffstat (limited to 'src/org/traccar/protocol/LaipacProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/LaipacProtocolDecoder.java | 104 |
1 files changed, 41 insertions, 63 deletions
diff --git a/src/org/traccar/protocol/LaipacProtocolDecoder.java b/src/org/traccar/protocol/LaipacProtocolDecoder.java index 57cf7d3b3..390588a6b 100644 --- a/src/org/traccar/protocol/LaipacProtocolDecoder.java +++ b/src/org/traccar/protocol/LaipacProtocolDecoder.java @@ -17,12 +17,16 @@ package org.traccar.protocol; import java.net.SocketAddress; import java.util.Calendar; +import java.util.Date; 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.helper.Checksum; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; import org.traccar.model.Position; public class LaipacProtocolDecoder extends BaseProtocolDecoder { @@ -31,90 +35,63 @@ public class LaipacProtocolDecoder extends BaseProtocolDecoder { super(protocol); } - private static final Pattern PATTERN = Pattern.compile( - "\\$AVRMC," + - "([^,]+)," + // Identifier - "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS) - "([AVRavr])," + // Validity - "(\\d{2})(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM) - "([NS])," + - "(\\d{3})(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM) - "([EW])," + - "(\\d+\\.\\d+)," + // Speed - "(\\d+\\.\\d+)," + // Course - "(\\d{2})(\\d{2})(\\d{2})," + // Date (DDMMYY) - "(.)," + // Type - "[^\\*]+\\*" + - "(\\p{XDigit}{2})"); // Checksum + private static final Pattern PATTERN = new PatternBuilder() + .text("$AVRMC,") + .expression("([^,]+),") // identifier + .number("(dd)(dd)(dd),") // time + .expression("([AVRavr]),") // validity + .number("(dd)(dd.d+),") // latitude + .expression("([NS]),") + .number("(ddd)(dd.d+),") // longitude + .number("([EW]),") + .number("(d+.d+),") // speed + .number("(d+.d+),") // course + .number("(dd)(dd)(dd),") // date (ddmmyy) + .expression("(.),") // type + .expression("[^*]+").text("*") + .number("(xx)") // checksum + .compile(); @Override protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) - throws Exception { + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { String sentence = (String) msg; - // Heartbeat if (sentence.startsWith("$ECHK") && channel != null) { - channel.write(sentence + "\r\n"); + channel.write(sentence + "\r\n"); // heartbeat return null; } - // 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()); - // Time - Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); - time.clear(); - 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++))); - - // Validity - String status = parser.group(index++); - position.setValid(status.compareToIgnoreCase("A") == 0); - - // Latitude - Double latitude = Double.parseDouble(parser.group(index++)); - latitude += Double.parseDouble(parser.group(index++)) / 60; - if (parser.group(index++).compareTo("S") == 0) latitude = -latitude; - position.setLatitude(latitude); - - // Longitude - Double longitude = Double.parseDouble(parser.group(index++)); - longitude += Double.parseDouble(parser.group(index++)) / 60; - if (parser.group(index++).compareTo("W") == 0) longitude = -longitude; - position.setLongitude(longitude); - - // Speed - position.setSpeed(Double.parseDouble(parser.group(index++))); - - // Course - position.setCourse(Double.parseDouble(parser.group(index++))); - - // Date - 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++))); - position.setTime(time.getTime()); - - // Response - String type = parser.group(index++); - String checksum = parser.group(index++); + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); + + String status = parser.next(); + position.setValid(status.toUpperCase().equals("A")); + + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble()); + position.setCourse(parser.nextDouble()); + + dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); + + String type = parser.next(); + String checksum = parser.next(); String response = null; if (type.equals("0") && Character.isLowerCase(status.charAt(0))) { @@ -131,6 +108,7 @@ public class LaipacProtocolDecoder extends BaseProtocolDecoder { if (response != null && channel != null) { channel.write(response + "\r\n"); } + return position; } |