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Diffstat (limited to 'src/org/traccar/protocol/Avl08ProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/Avl08ProtocolDecoder.java | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/Avl08ProtocolDecoder.java b/src/org/traccar/protocol/Avl08ProtocolDecoder.java new file mode 100644 index 000000000..7f564af37 --- /dev/null +++ b/src/org/traccar/protocol/Avl08ProtocolDecoder.java @@ -0,0 +1,184 @@ +/* + * 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.GregorianCalendar; +import java.util.TimeZone; +import java.util.regex.Pattern; +import java.util.regex.Matcher; +import org.jboss.netty.channel.Channel; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.traccar.Position; +import org.traccar.DataManager; +import org.traccar.Device; // DELME +import org.traccar.GenericProtocolDecoder; + +/** + * AVL-08 tracker protocol decoder + */ +public class Avl08ProtocolDecoder extends GenericProtocolDecoder { + + /** + * Initialize + */ + public Avl08ProtocolDecoder(DataManager dataManager, Integer resetDelay) { + super(dataManager, resetDelay); + } + + /** + * Regular expressions pattern + */ + static private Pattern pattern = Pattern.compile( + "\\$\\$.{2}" + // Length + "(\\d{15})\\|" + // IMEI + "(.{2})" + // Alarm Type + "\\$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) + "(\\d+.\\d)\\|(\\d+.\\d)\\|(\\d+.\\d)\\|" + // Dilution of precision + "(\\d{12})\\|" + // Status + "(\\d{14})\\|" + // Clock + "(\\d{8})\\|" + // Voltage + "(\\d{8})\\|" + // ADC + "(.{8})\\|" + // Cell + "(.\\d{3})\\|" + // Temperature + "(\\d+.\\d{4})\\|" + // Mileage + "(\\d{4})\\|" + // Serial + "(.{10})?\\|?" + // RFID + ".+"); // TODO: Use non-capturing group + + /** + * 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(); + String extendedInfo = "<protocol>avl08</protocol>"; + + Integer index = 1; + + // Get device by IMEI + String imei = parser.group(index++); + position.setDeviceId(getDataManager().getDeviceByImei(imei).getId()); + + // Alarm type + extendedInfo += "<alarm>" + parser.group(index++) + "</alarm>"; + + // 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++))); + time.set(Calendar.MILLISECOND, 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); + + // Speed + position.setSpeed(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++))); + position.setTime(time.getTime()); + + // Dilution of precision + extendedInfo += "<pdop>" + parser.group(index++).replaceFirst ("^0*(?![\\.$])", "") + "</pdop>"; + extendedInfo += "<hdop>" + parser.group(index++).replaceFirst ("^0*(?![\\.$])", "") + "</hdop>"; + extendedInfo += "<vdop>" + parser.group(index++).replaceFirst ("^0*(?![\\.$])", "") + "</vdop>"; + + // Status + extendedInfo += "<status>" + parser.group(index++) + "</status>"; + + // Real time clock + extendedInfo += "<clock>" + parser.group(index++) + "</clock>"; + + // Voltage + String voltage = parser.group(index++); + position.setPower(Double.valueOf(voltage.substring(1, 4)) / 100); + extendedInfo += "<voltage>" + voltage + "</voltage>"; + + // ADC + extendedInfo += "<adc>" + parser.group(index++) + "</adc>"; + + // Cell + extendedInfo += "<cell>" + parser.group(index++) + "</cell>"; + + // Temperature + extendedInfo += "<temperature>" + parser.group(index++) + "</temperature>"; + + // Mileage + extendedInfo += "<mileage>" + parser.group(index++) + "</mileage>"; + + // Serial + extendedInfo += "<serial>" + parser.group(index++).replaceFirst ("^0*", "") + "</serial>"; + + // RFID + String rfid = parser.group(index++); + if (rfid != null) { + extendedInfo += "<rfid>" + rfid + "</rfid>"; + } + + // Extended info + position.setExtendedInfo(extendedInfo); + + return position; + } + +} |