From 8601bea268a973825d9dc3835ccced6439e26a0e Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Fri, 23 Aug 2013 22:46:45 +1200 Subject: Add EasyTrack protocol (fix #357) --- .../traccar/protocol/EasyTrackProtocolDecoder.java | 145 +++++++++++++++++++++ 1 file changed, 145 insertions(+) create mode 100644 src/org/traccar/protocol/EasyTrackProtocolDecoder.java (limited to 'src/org/traccar/protocol/EasyTrackProtocolDecoder.java') diff --git a/src/org/traccar/protocol/EasyTrackProtocolDecoder.java b/src/org/traccar/protocol/EasyTrackProtocolDecoder.java new file mode 100644 index 000000000..2ad4520a4 --- /dev/null +++ b/src/org/traccar/protocol/EasyTrackProtocolDecoder.java @@ -0,0 +1,145 @@ +/* + * 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.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 EasyTrackProtocolDecoder extends BaseProtocolDecoder { + + public EasyTrackProtocolDecoder(ServerManager serverManager) { + super(serverManager); + } + + static private Pattern pattern = Pattern.compile( + "\\*..," + // Manufacturer + "(\\d+)," + // IMEI + "([^,]{2})," + // Command + "([AV])," + // Validity + "(\\p{XDigit}{2})" + // Year + "(\\p{XDigit}{2})" + // Month + "(\\p{XDigit}{2})," + // Day + "(\\p{XDigit}{2})" + // Hours + "(\\p{XDigit}{2})" + // Minutes + "(\\p{XDigit}{2})," + // Seconds + "(\\p{XDigit})" + + "(\\p{XDigit}{7})," + // Latitude + "(\\p{XDigit})" + + "(\\p{XDigit}{7})," + // Longitude + "(\\p{XDigit}{4})," + // Speed + "(\\p{XDigit}{4})," + // Course + "(\\p{XDigit}{8})," + // Status + "(\\d+)," + // Signal + "(\\d+)," + // Power + "(\\p{XDigit}{4})," + // Oil + "(\\p{XDigit}+),?" + // Milage + "(\\d+)?" + // Altitude + ".*"); + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, Object msg) + throws Exception { + + String sentence = (String) msg; + + // Parse message + Matcher parser = pattern.matcher(sentence); + if (!parser.matches()) { + return null; + } + + // Create new position + Position position = new Position(); + ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("easytrack"); + + Integer index = 1; + + // Get device by IMEI + String imei = parser.group(index++); + try { + position.setDeviceId(getDataManager().getDeviceByImei(imei).getId()); + } catch(Exception error) { + Log.warning("Unknown device - " + imei); + return null; + } + + // Command + extendedInfo.set("command", parser.group(index++)); + + // Validity + position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false); + + // Date + Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); + time.clear(); + time.set(Calendar.YEAR, 2000 + Integer.parseInt(parser.group(index++), 16)); + time.set(Calendar.MONTH, Integer.parseInt(parser.group(index++), 16) - 1); + time.set(Calendar.DAY_OF_MONTH, Integer.parseInt(parser.group(index++), 16)); + time.set(Calendar.HOUR, Integer.parseInt(parser.group(index++), 16)); + time.set(Calendar.MINUTE, Integer.parseInt(parser.group(index++), 16)); + time.set(Calendar.SECOND, Integer.parseInt(parser.group(index++), 16)); + position.setTime(time.getTime()); + + // Location + int hemisphere = parser.group(index++).equals("8") ? -1 : 1; + position.setLatitude( + hemisphere * Integer.parseInt(parser.group(index++), 16) / 600000.0); + + hemisphere = parser.group(index++).equals("8") ? -1 : 1; + position.setLongitude( + hemisphere * Integer.parseInt(parser.group(index++), 16) / 600000.0); + + position.setSpeed(Integer.parseInt(parser.group(index++), 16) / 600000.0); + position.setCourse(Integer.parseInt(parser.group(index++), 16) / 600000.0); + + // Status + extendedInfo.set("status", parser.group(index++)); + + // Signal + extendedInfo.set("signal", parser.group(index++)); + + // Power + position.setPower(Double.valueOf(parser.group(index++))); + + // Oil + extendedInfo.set("oil", Integer.parseInt(parser.group(index++), 16)); + + // Milage + extendedInfo.set("milage", Integer.parseInt(parser.group(index++), 16)); + + // Altitude + String altitude = parser.group(index++); + if (altitude != null) { + position.setAltitude(Double.valueOf(altitude)); + } else { + position.setAltitude(0.0); + } + + position.setExtendedInfo(extendedInfo.toString()); + return position; + } + +} -- cgit v1.2.3