From 24b6fb1778d4d5c8835974fca92c00558323e0e2 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sun, 3 Nov 2013 11:36:58 +1300 Subject: Implement Sanav protocol (fix #421) --- src/org/traccar/protocol/SanavProtocolDecoder.java | 125 +++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 src/org/traccar/protocol/SanavProtocolDecoder.java (limited to 'src/org/traccar/protocol') diff --git a/src/org/traccar/protocol/SanavProtocolDecoder.java b/src/org/traccar/protocol/SanavProtocolDecoder.java new file mode 100644 index 000000000..681540746 --- /dev/null +++ b/src/org/traccar/protocol/SanavProtocolDecoder.java @@ -0,0 +1,125 @@ +/* + * Copyright 2013 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.text.ParseException; +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.jboss.netty.channel.ChannelHandlerContext; +import org.traccar.BaseProtocolDecoder; +import org.traccar.ServerManager; +import org.traccar.helper.Log; +import org.traccar.model.ExtendedInfoFormatter; +import org.traccar.model.Position; + +public class SanavProtocolDecoder extends BaseProtocolDecoder { + + public SanavProtocolDecoder(ServerManager serverManager) { + super(serverManager); + } + + private static final Pattern pattern = Pattern.compile( + ".*imei[:=]" + + "(\\d+)" + // IMEI + "&?rmc[:=]\\$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) + ".*"); + + @Override + 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(); + ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("sanav"); + Integer index = 1; + + // Identification + String imei = parser.group(index++); + try { + position.setDeviceId(getDataManager().getDeviceByImei(imei).getId()); + } catch(Exception error) { + Log.warning("Unknown device - " + imei); + return null; + } + + // Time + Calendar time = Calendar.getInstance(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); + + // 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 longitude = Double.valueOf(parser.group(index++)); + longitude += Double.valueOf(parser.group(index++)) / 60; + if (parser.group(index++).compareTo("W") == 0) longitude = -longitude; + position.setLongitude(longitude); + + // 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()); + + position.setExtendedInfo(extendedInfo.toString()); + return position; + } + +} -- cgit v1.2.3