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Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r-- | src/org/traccar/protocol/Vt300ProtocolDecoder.java | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/Vt300ProtocolDecoder.java b/src/org/traccar/protocol/Vt300ProtocolDecoder.java new file mode 100644 index 000000000..9e2b2db13 --- /dev/null +++ b/src/org/traccar/protocol/Vt300ProtocolDecoder.java @@ -0,0 +1,134 @@ +/* + * 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.Position; + +public class Vt300ProtocolDecoder extends BaseProtocolDecoder { + + public Vt300ProtocolDecoder(ServerManager serverManager) { + super(serverManager); + } + + /** + * Regular expressions pattern + */ + //210000001,20070313170040,121.123456,12.654321,0,233,0,9,2,0.0, 0,0.00,0.00,0 + //YYYYMMDDhhmmss + static private Pattern pattern = Pattern.compile( + ".*" + // Header + "(\\d+)," + // Device Identifier + "(\\d{4})(\\d{2})(\\d{2})" + // Date (YYYYMMDD) + "(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS) + "(-?\\d+\\.\\d+)," + // Longitude + "(-?\\d+\\.\\d+)," + // Latitude + "(\\d+)," + // Speed + "(\\d+)," + // Course + "(\\d+)," + // Altitude + "(\\d+)," + // Satellites + "(\\d+)," + // Event + "(\\d+\\.\\d+)," + // Milage + "(\\d+)," + // Input + "(\\d+\\.\\d+)," + // ADC1 + "(\\d+\\.\\d+)," + // ADC2 + "(\\d+)"); // Output + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, Object msg) + throws Exception { + + // Parse message + Matcher parser = pattern.matcher((String) msg); + if (!parser.matches()) { + return null; + } + + // Create new position + Position position = new Position(); + StringBuilder extendedInfo = new StringBuilder("<protocol>vt300</protocol>"); + int index = 1; + + // Device identifier + String id = parser.group(index++); + try { + position.setDeviceId(getDataManager().getDeviceByImei(id).getId()); + } catch(Exception error) { + Log.warning("Unknown device - " + id); + return null; + } + + // 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()); + + // Position data + position.setLongitude(Double.valueOf(parser.group(index++))); + position.setLatitude(Double.valueOf(parser.group(index++))); + position.setSpeed(Double.valueOf(parser.group(index++))); + position.setCourse(Double.valueOf(parser.group(index++))); + position.setAltitude(Double.valueOf(parser.group(index++))); + + // Satellites + int satellites = Integer.valueOf(parser.group(index++)); + position.setValid(satellites >= 3); + extendedInfo.append("<satellites>").append(satellites).append("</satellites>"); + + // Event + extendedInfo.append("<event>"); + extendedInfo.append(parser.group(index++)); + extendedInfo.append("</event>"); + + // Milage + extendedInfo.append("<milage>"); + extendedInfo.append(parser.group(index++)); + extendedInfo.append("</milage>"); + + // Input + extendedInfo.append("<input>"); + extendedInfo.append(parser.group(index++)); + extendedInfo.append("</input>"); + + // ADC + extendedInfo.append("<adc1>").append(parser.group(index++)).append("</adc1>"); + extendedInfo.append("<adc2>").append(parser.group(index++)).append("</adc2>"); + + // Output + extendedInfo.append("<output>"); + extendedInfo.append(parser.group(index++)); + extendedInfo.append("</output>"); + + position.setExtendedInfo(extendedInfo.toString()); + return position; + } + +} |