From 5868e9c00531b7defdfa90d05c1ea8dc987d6011 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Thu, 15 Jan 2015 11:35:11 +1300 Subject: Implement TR900 protocol --- src/org/traccar/protocol/Tr900ProtocolDecoder.java | 136 +++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 src/org/traccar/protocol/Tr900ProtocolDecoder.java (limited to 'src/org/traccar/protocol') diff --git a/src/org/traccar/protocol/Tr900ProtocolDecoder.java b/src/org/traccar/protocol/Tr900ProtocolDecoder.java new file mode 100644 index 000000000..da307efc9 --- /dev/null +++ b/src/org/traccar/protocol/Tr900ProtocolDecoder.java @@ -0,0 +1,136 @@ +/* + * Copyright 2015 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 org.jboss.netty.channel.Channel; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.traccar.BaseProtocolDecoder; +import org.traccar.database.DataManager; +import org.traccar.helper.Log; +import org.traccar.model.ExtendedInfoFormatter; +import org.traccar.model.Position; + +import java.util.Calendar; +import java.util.Properties; +import java.util.TimeZone; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +public class Tr900ProtocolDecoder extends BaseProtocolDecoder { + + public Tr900ProtocolDecoder(DataManager dataManager, String protocol, Properties properties) { + super(dataManager, protocol, properties); + } + + private static final Pattern pattern = Pattern.compile( + ">(\\d+)," + // ID + "\\d+," + // Period + "(\\d)," + // Fix + "(\\d{2})(\\d{2})(\\d{2})," + // Date (YYMMDD) + "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS) + "([EW])" + + "(\\d{3})(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM) + "([NS])" + + "(\\d{2})(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM) + "[^,]*," + // Command + "(\\d+\\.?\\d*)," + // Speed + "(\\d+\\.?\\d*)," + // Course + "(\\d+)," + // GSM + "(\\d+)," + // Event + "(\\d+)-" + // ADC + "(\\d+)," + // Battery + "\\d+," + // Impulses + "(\\d+)," + // Input + "(\\d+)" + // Status + ".*"); + + @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(getProtocol()); + Integer index = 1; + + // Identification + String id = parser.group(index++); + try { + position.setDeviceId(getDataManager().getDeviceByImei(id).getId()); + } catch(Exception error) { + Log.warning("Unknown device - " + id); + return null; + } + + // Validity + position.setValid(parser.group(index++).compareTo("1") == 0); + + // Time + Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); + time.clear(); + time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++))); + time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1); + time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++))); + time.set(Calendar.HOUR_OF_DAY, Integer.valueOf(parser.group(index++))); + time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++))); + time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++))); + position.setTime(time.getTime()); + + // Longitude + String hemisphere = parser.group(index++); + Double longitude = Double.valueOf(parser.group(index++)); + longitude += Double.valueOf(parser.group(index++)) / 60; + if (hemisphere.compareTo("W") == 0) longitude = -longitude; + position.setLongitude(longitude); + + // Latitude + hemisphere = parser.group(index++); + Double latitude = Double.valueOf(parser.group(index++)); + latitude += Double.valueOf(parser.group(index++)) / 60; + if (hemisphere.compareTo("S") == 0) latitude = -latitude; + position.setLatitude(latitude); + + // Altitude + position.setAltitude(0.0); + + // Speed + position.setSpeed(Double.valueOf(parser.group(index++))); + + // Course + position.setCourse(Double.valueOf(parser.group(index++))); + + // Other + extendedInfo.set("gsm", parser.group(index++)); + extendedInfo.set("event", Integer.valueOf(parser.group(index++))); + extendedInfo.set("adc1", Integer.valueOf(parser.group(index++))); + extendedInfo.set("battery", Integer.valueOf(parser.group(index++))); + extendedInfo.set("input", parser.group(index++)); + extendedInfo.set("status", parser.group(index++)); + + position.setExtendedInfo(extendedInfo.toString()); + return position; + } + +} -- cgit v1.2.3