From 5060907d594f54287e9cbd402c1d8804151fcede Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sun, 4 Aug 2013 21:02:29 +1200 Subject: Created new Suntech decoder (fix #345) --- .../traccar/protocol/SuntechProtocolDecoder.java | 114 +++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 src/org/traccar/protocol/SuntechProtocolDecoder.java (limited to 'src/org/traccar/protocol') diff --git a/src/org/traccar/protocol/SuntechProtocolDecoder.java b/src/org/traccar/protocol/SuntechProtocolDecoder.java new file mode 100644 index 000000000..bd7b882cd --- /dev/null +++ b/src/org/traccar/protocol/SuntechProtocolDecoder.java @@ -0,0 +1,114 @@ +/* + * 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 SuntechProtocolDecoder extends BaseProtocolDecoder { + + public SuntechProtocolDecoder(ServerManager serverManager) { + super(serverManager); + } + + static private Pattern pattern = Pattern.compile( + "S.\\d{3}(?:\\w{3})?;" + // Header + "(?:[^;]+;)?" + + "(\\d{6});" + // Device ID + "(\\d+);" + // Version + "(\\d{4})(\\d{2})(\\d{2});" + // Date (YYYYMMDD) + "(\\d{2}):(\\d{2}):(\\d{2});" + // Time (HH:MM:SS) + "(?:(\\p{XDigit}+);)?" + // Cell + "([-\\+]\\d{2}.\\d+);" + // Latitude + "([-\\+]\\d{3}.\\d+);" + // Longitude + "(\\d{3}.\\d{3});" + // Speed + "(\\d{3}.\\d{2});" + // Course + ".*"); // Full format + + @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("suntech"); + int index = 1; + + // Identifier + String imei = parser.group(index++); + try { + position.setDeviceId(getDataManager().getDeviceByImei(imei).getId()); + } catch(Exception error) { + Log.warning("Unknown device - " + imei); + return null; + } + + // Version + extendedInfo.set("version", parser.group(index++)); + + // Date and Time + Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); + time.clear(); + time.set(Calendar.YEAR, 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, 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()); + + // Cell + extendedInfo.set("cell", parser.group(index++)); + + // Coordinates + position.setLatitude(Double.valueOf(parser.group(index++))); + position.setLongitude(Double.valueOf(parser.group(index++))); + position.setValid(true); // wrong? + + // Speed + position.setSpeed(Double.valueOf(parser.group(index++)) * 0.539957); + + // Course + position.setCourse(Double.valueOf(parser.group(index++))); + + // Altitude + position.setAltitude(0.0); + + // Extended info + position.setExtendedInfo(extendedInfo.toString()); + + return position; + } + +} -- cgit v1.2.3