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authorAnton Tananaev <anton.tananaev@gmail.com>2015-10-20 11:19:29 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-10-20 11:19:29 +1300
commitbfaa57707b8a9d9dc122e139a06b3632a749c628 (patch)
tree5151b39d0e189e2e67436b72f3e76a84b79be231
parent1980d7a51f1a069cddbbe868f957c2152107547b (diff)
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Refactor Megastek protocol decoder
-rw-r--r--src/org/traccar/protocol/MegastekProtocolDecoder.java370
-rw-r--r--src/org/traccar/protocol/MtxProtocolDecoder.java3
2 files changed, 161 insertions, 212 deletions
diff --git a/src/org/traccar/protocol/MegastekProtocolDecoder.java b/src/org/traccar/protocol/MegastekProtocolDecoder.java
index 17e9dc6d7..4b957b879 100644
--- a/src/org/traccar/protocol/MegastekProtocolDecoder.java
+++ b/src/org/traccar/protocol/MegastekProtocolDecoder.java
@@ -16,12 +16,12 @@
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.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
import org.traccar.model.Event;
import org.traccar.model.Position;
@@ -31,96 +31,68 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
super(protocol);
}
- private static final Pattern PATTERN_GPRMC = Pattern.compile(
- "\\$GPRMC," +
- "(\\d{2})(\\d{2})(\\d{2})\\.\\d+," + // Time (HHMMSS.SSS)
- "([AV])," + // Validity
- "(\\d+)(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM)
- "([NS])," +
- "(\\d+)(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM)
- "([EW])," +
- "(\\d+\\.\\d+)?," + // Speed
- "(\\d+\\.\\d+)?," + // Course
- "(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY)
- ".*"); // Checksum
-
- private static final Pattern PATTERN_SIMPLE = Pattern.compile(
- "[FL]," + // Flag
- "([^,]*)," + // Alarm
- "imei:(\\d+)," + // IMEI
- "(\\d+/?\\d*)?," + // Satellites
- "(\\d+\\.\\d+)?," + // Altitude
- "Battery=(\\d+)%,," + // Battery
- "(\\d)?," + // Charger
- "(\\d+)?," + // MCC
- "(\\d+)?," + // MNC
- "(\\p{XDigit}{4},\\p{XDigit}{4});" + // Location code
- ".+"); // Checksum
-
- private static final Pattern PATTERN_ALTERNATIVE = Pattern.compile(
- "(\\d+)," + // MCC
- "(\\d+)," + // MNC
- "(\\p{XDigit}{4},\\p{XDigit}{4})," + // Location code
- "(\\d+)," + // GSM signal
- "(\\d+)," + // Battery
- "(\\d+)," + // Flags
- "(\\d+)," + // Inputs
- "(?:(\\d+),)?" + // Outputs
- "(\\d\\.?\\d*)," + // ADC 1
- "(?:(\\d\\.\\d{2})," + // ADC 2
- "(\\d\\.\\d{2}),)?" + // ADC 3
- "([^;]+);" + // Alarm
- ".*"); // Checksum
-
- private boolean parseGPRMC(String gprmc, Position position) {
-
- // Parse message
- Matcher parser = PATTERN_GPRMC.matcher(gprmc);
+ private static final Pattern PATTERN_GPRMC = new PatternBuilder()
+ .txt("$GPRMC,")
+ .num("(dd)(dd)(dd).d+,") // time
+ .xpr("([AV]),") // validity
+ .num("(d+)(dd.d+),([NS]),") // latitude
+ .num("(d+)(dd.d+),([EW]),") // longitude
+ .num("(d+.d+)?,") // speed
+ .num("(d+.d+)?,") // course
+ .num("(dd)(dd)(dd)") // date (ddmmyy)
+ .any() // checksum
+ .compile();
+
+ private static final Pattern PATTERN_SIMPLE = new PatternBuilder()
+ .xpr("[FL],") // flag
+ .xpr("([^,]*),") // alarm
+ .num("imei:(d+),") // imei
+ .num("(d+/?d*)?,") // satellites
+ .num("(d+.d+)?,") // altitude
+ .num("Battery=(d+)%,,") // battery
+ .num("(d)?,") // charger
+ .num("(d+)?,") // mcc
+ .num("(d+)?,") // mnc
+ .num("(xxxx,xxxx);") // location code
+ .any() // checksum
+ .compile();
+
+ private static final Pattern PATTERN_ALTERNATIVE = new PatternBuilder()
+ .num("(d+),") // mcc
+ .num("(d+),") // mnc
+ .num("(xxxx,xxxx),") // location code
+ .num("(d+),") // gsm signal
+ .num("(d+),") // battery
+ .num("(d+),") // flags
+ .num("(d+),") // inputs
+ .num("(?:(d+),)?") // outputs
+ .num("(d.?d*),") // adc 1
+ .groupBegin()
+ .num("(d.dd),") // adc 2
+ .num("(d.dd),") // adc 3
+ .groupEnd(true)
+ .xpr("([^;]+);") // alarm
+ .any() // checksum
+ .compile();
+
+ private boolean parseLocation(String location, Position position) {
+
+ Parser parser = new Parser(PATTERN_GPRMC, location);
if (!parser.matches()) {
return false;
}
- int index = 1;
-
- // 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
- position.setValid(parser.group(index++).compareTo("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
- String speed = parser.group(index++);
- if (speed != null) {
- position.setSpeed(Double.parseDouble(speed));
- }
+ DateBuilder dateBuilder = new DateBuilder()
+ .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
- // Course
- String course = parser.group(index++);
- if (course != null) {
- position.setCourse(Double.parseDouble(course));
- }
+ position.setValid(parser.next().equals("A"));
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+ position.setSpeed(parser.nextDouble());
+ position.setCourse(parser.nextDouble());
- // 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());
+ dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
+ position.setTime(dateBuilder.getDate());
return true;
}
@@ -132,7 +104,7 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
// Split message
String id;
- String gprmc;
+ String location;
String status;
if (simple) {
@@ -147,7 +119,7 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
} else {
endIndex = sentence.length();
}
- gprmc = sentence.substring(beginIndex, endIndex);
+ location = sentence.substring(beginIndex, endIndex);
beginIndex = endIndex + 1;
if (beginIndex > sentence.length()) {
@@ -163,54 +135,45 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
beginIndex = endIndex + 2;
endIndex = sentence.indexOf('*', beginIndex) + 3;
- gprmc = sentence.substring(beginIndex, endIndex);
+ location = sentence.substring(beginIndex, endIndex);
beginIndex = endIndex + 1;
status = sentence.substring(beginIndex);
}
- // Create new position
Position position = new Position();
position.setProtocol(getProtocolName());
-
- // Parse location data
- if (!parseGPRMC(gprmc, position)) {
+ if (!parseLocation(location, position)) {
return null;
}
if (simple) {
- Matcher parser = PATTERN_SIMPLE.matcher(status);
+ Parser parser = new Parser(PATTERN_SIMPLE, status);
if (parser.matches()) {
- int index = 1;
-
- position.set(Event.KEY_ALARM, parser.group(index++));
+ position.set(Event.KEY_ALARM, parser.next());
- // IMEI
- if (!identify(parser.group(index++), channel, null, false) && !identify(id, channel)) {
+ if (!identify(parser.next(), channel, null, false) && !identify(id, channel)) {
return null;
}
position.setDeviceId(getDeviceId());
- position.set(Event.KEY_SATELLITES, parser.group(index++));
+ position.set(Event.KEY_SATELLITES, parser.next());
- String altitude = parser.group(index++);
- if (altitude != null) {
- position.setAltitude(Double.parseDouble(altitude));
- }
+ position.setAltitude(parser.nextDouble());
- position.set(Event.KEY_POWER, Double.parseDouble(parser.group(index++)));
+ position.set(Event.KEY_POWER, parser.nextDouble());
- String charger = parser.group(index++);
+ String charger = parser.next();
if (charger != null) {
position.set(Event.KEY_CHARGE, Integer.parseInt(charger) == 1);
}
- position.set(Event.KEY_MCC, parser.group(index++));
- position.set(Event.KEY_MNC, parser.group(index++));
- position.set(Event.KEY_LAC, parser.group(index++));
+ position.set(Event.KEY_MCC, parser.next());
+ position.set(Event.KEY_MNC, parser.next());
+ position.set(Event.KEY_LAC, parser.next());
} else {
@@ -223,155 +186,144 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
} else {
- Matcher parser = PATTERN_ALTERNATIVE.matcher(status);
- if (!parser.matches()) {
-
- int index = 1;
+ Parser parser = new Parser(PATTERN_ALTERNATIVE, status);
+ if (parser.matches()) {
if (!identify(id, channel)) {
return null;
}
position.setDeviceId(getDeviceId());
- position.set(Event.KEY_MCC, parser.group(index++));
- position.set(Event.KEY_MNC, parser.group(index++));
- position.set(Event.KEY_LAC, parser.group(index++));
- position.set(Event.KEY_GSM, parser.group(index++));
+ position.set(Event.KEY_MCC, parser.next());
+ position.set(Event.KEY_MNC, parser.next());
+ position.set(Event.KEY_LAC, parser.next());
+ position.set(Event.KEY_GSM, parser.next());
- position.set(Event.KEY_BATTERY, Double.parseDouble(parser.group(index++)));
+ position.set(Event.KEY_BATTERY, Double.parseDouble(parser.next()));
+
+ position.set(Event.KEY_FLAGS, parser.next());
+ position.set(Event.KEY_INPUT, parser.next());
+ position.set(Event.KEY_OUTPUT, parser.next());
+ position.set(Event.PREFIX_ADC + 1, parser.next());
+ position.set(Event.PREFIX_ADC + 2, parser.next());
+ position.set(Event.PREFIX_ADC + 3, parser.next());
+ position.set(Event.KEY_ALARM, parser.next());
- position.set(Event.KEY_FLAGS, parser.group(index++));
- position.set(Event.KEY_INPUT, parser.group(index++));
- position.set(Event.KEY_OUTPUT, parser.group(index++));
- position.set(Event.PREFIX_ADC + 1, parser.group(index++));
- position.set(Event.PREFIX_ADC + 2, parser.group(index++));
- position.set(Event.PREFIX_ADC + 3, parser.group(index++));
- position.set(Event.KEY_ALARM, parser.group(index++));
}
}
return position;
}
- private static final Pattern PATTERN_NEW = Pattern.compile(
- "\\$MGV\\d{3}," +
- "(\\d+)," + // IMEI
- "[^,]*," + // Name
- "([RS])," +
- "(\\d{2})(\\d{2})(\\d{2})," + // Date (DDMMYY)
- "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS)
- "([AV])," + // Validity
- "(\\d+)(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM)
- "([NS])," +
- "(\\d+)(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM)
- "([EW])," +
- "\\d{2}," +
- "(\\d{2})," + // Satellites
- "\\d{2}," +
- "(\\d+\\.\\d+)," + // HDOP
- "(\\d+\\.\\d+)," + // Speed
- "(\\d+\\.\\d+)," + // Course
- "(\\d+\\.\\d+)," + // Altitude
- "(\\d+\\.\\d+)," + // Odometer
- "(\\d+)," + // MCC
- "(\\d+)," + // MNC
- "(\\p{XDigit}{4},\\p{XDigit}{4})," + // Cell
- "(\\d+)?," + // GSM
- "([01]+)," + // Input
- "([01]+)," + // Output
- "(\\d+)," + // ADC1
- "(\\d+)," + // ADC2
- "(\\d+)," + // ADC3
- "(?:(-?\\d+\\.?\\d*)| )," + // Temperature 1
- "(?:(-?\\d+\\.?\\d*)| )," + // Temperature 2
- "(\\d+)?,," + // RFID
- "(\\d+)?," + // Battery
- "([^,]*);" + // Alert
- ".*");
+ private static final Pattern PATTERN_NEW = new PatternBuilder()
+ .txt("$MGV")
+ .num("ddd,")
+ .num("(d+),") // imei
+ .nxt(",") // name
+ .xpr("([RS]),")
+ .num("(dd)(dd)(dd),") // date (ddmmyy)
+ .num("(dd)(dd)(dd),") // time
+ .xpr("([AV]),") // validity
+ .num("(d+)(dd.d+),([NS]),") // latitude
+ .num("(d+)(dd.d+),([EW]),") // longitude
+ .num("dd,")
+ .num("(dd),") // satellites
+ .num("dd,")
+ .num("(d+.d+),") // hdop
+ .num("(d+.d+),") // speed
+ .num("(d+.d+),") // course
+ .num("(d+.d+),") // altitude
+ .num("(d+.d+),") // odometer
+ .num("(d+),") // mcc
+ .num("(d+),") // mnc
+ .num("(xxxx,xxxx),") // cell
+ .num("(d+)?,") // gsm
+ .xpr("([01]+),") // input
+ .xpr("([01]+),") // output
+ .num("(d+),") // adc1
+ .num("(d+),") // adc2
+ .num("(d+),") // adc3
+ .groupBegin()
+ .num("(-?d+.?d*)") // temperature 1
+ .or().txt(" ")
+ .groupEnd(false).txt(",")
+ .groupBegin()
+ .num("(-?d+.?d*)") // temperature 2
+ .or().txt(" ")
+ .groupEnd(false).txt(",")
+ .num("(d+)?,,") // rfid
+ .num("(d+)?,") // battery
+ .xpr("([^,]*);") // alert
+ .any()
+ .compile();
private Position decodeNew(Channel channel, String sentence) {
- Matcher parser = PATTERN_NEW.matcher(sentence);
+ Parser parser = new Parser(PATTERN_NEW, sentence);
if (!parser.matches()) {
return null;
}
- int index = 1;
Position position = new Position();
position.setProtocol(getProtocolName());
- if (!identify(parser.group(index++), channel)) {
+ if (!identify(parser.next(), channel)) {
return null;
}
position.setDeviceId(getDeviceId());
- if (parser.group(index++).equals("S")) {
+ if (parser.next().equals("S")) {
position.set(Event.KEY_ARCHIVE, true);
}
- 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());
-
- position.setValid(parser.group(index++).equals("A"));
-
- // Latitude
- double latitude = Double.parseDouble(parser.group(index++));
- latitude += Double.parseDouble(parser.group(index++)) / 60;
- if (parser.group(index++).equals("S")) latitude = -latitude;
- position.setLatitude(latitude);
-
- // Longitude
- double longitude = Double.parseDouble(parser.group(index++));
- longitude += Double.parseDouble(parser.group(index++)) / 60;
- if (parser.group(index++).equals("W")) longitude = -longitude;
- position.setLongitude(longitude);
-
- position.set(Event.KEY_SATELLITES, Integer.parseInt(parser.group(index++)));
- position.set(Event.KEY_HDOP, Double.parseDouble(parser.group(index++)));
-
- position.setSpeed(Double.parseDouble(parser.group(index++)));
- position.setCourse(Double.parseDouble(parser.group(index++)));
- position.setAltitude(Double.parseDouble(parser.group(index++)));
-
- position.set(Event.KEY_ODOMETER, Double.parseDouble(parser.group(index++)));
- position.set(Event.KEY_MCC, Integer.parseInt(parser.group(index++)));
- position.set(Event.KEY_MNC, Integer.parseInt(parser.group(index++)));
- position.set(Event.KEY_CELL, parser.group(index++));
-
- String gsm = 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());
+
+ position.setValid(parser.next().equals("A"));
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+
+ position.set(Event.KEY_SATELLITES, parser.nextInt());
+ position.set(Event.KEY_HDOP, parser.nextDouble());
+
+ position.setSpeed(parser.nextDouble());
+ position.setCourse(parser.nextDouble());
+ position.setAltitude(parser.nextDouble());
+
+ position.set(Event.KEY_ODOMETER, parser.nextDouble());
+ position.set(Event.KEY_MCC, parser.nextInt());
+ position.set(Event.KEY_MNC, parser.nextInt());
+ position.set(Event.KEY_CELL, parser.next());
+
+ String gsm = parser.next();
if (gsm != null) {
position.set(Event.KEY_GSM, Integer.parseInt(gsm));
}
- position.set(Event.KEY_INPUT, Integer.parseInt(parser.group(index++), 2));
- position.set(Event.KEY_OUTPUT, Integer.parseInt(parser.group(index++), 2));
+ position.set(Event.KEY_INPUT, parser.nextInt(2));
+ position.set(Event.KEY_OUTPUT, parser.nextInt(2));
for (int i = 1; i <= 3; i++) {
- position.set(Event.PREFIX_ADC + i, Integer.parseInt(parser.group(index++)));
+ position.set(Event.PREFIX_ADC + i, parser.nextInt());
}
for (int i = 1; i <= 2; i++) {
- String adc = parser.group(index++);
+ String adc = parser.next();
if (adc != null) {
position.set(Event.PREFIX_TEMP + i, Double.parseDouble(adc));
}
}
- position.set(Event.KEY_RFID, parser.group(index++));
+ position.set(Event.KEY_RFID, parser.next());
- String battery = parser.group(index++);
+ String battery = parser.next();
if (battery != null) {
position.set(Event.KEY_BATTERY, Integer.parseInt(battery));
}
- position.set(Event.KEY_ALARM, parser.group(index++));
+ position.set(Event.KEY_ALARM, parser.next());
return position;
}
diff --git a/src/org/traccar/protocol/MtxProtocolDecoder.java b/src/org/traccar/protocol/MtxProtocolDecoder.java
index c6684d051..bcf77ff4a 100644
--- a/src/org/traccar/protocol/MtxProtocolDecoder.java
+++ b/src/org/traccar/protocol/MtxProtocolDecoder.java
@@ -16,9 +16,6 @@
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;