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| -rw-r--r-- | src/org/traccar/protocol/Ev603ProtocolDecoder.java | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/Ev603ProtocolDecoder.java b/src/org/traccar/protocol/Ev603ProtocolDecoder.java new file mode 100644 index 000000000..cbef74e98 --- /dev/null +++ b/src/org/traccar/protocol/Ev603ProtocolDecoder.java @@ -0,0 +1,129 @@ +/*
+ * Copyright 2012 Anton Tananaev (anton.tananaev@gmail.com)
+ * Enhancement done by Luis Parada (luis.parada@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.GenericProtocolDecoder;
+import org.traccar.model.DataManager;
+import org.traccar.model.Position;
+
+/**
+ *
+ * Ev603 Protocol Decoder
+ */
+public class Ev603ProtocolDecoder extends GenericProtocolDecoder{
+
+ /**
+ * Initialize
+ */
+ public Ev603ProtocolDecoder(DataManager dataManager, Integer resetDelay) {
+ super(dataManager, resetDelay);
+ }
+
+ /**
+ * Regular expressions pattern
+ */
+ static private Pattern pattern = Pattern.compile(
+ "!A," + // Start Character
+ "([\\d]{2})\\/([\\d]{2})\\/([\\d]{2})," + // Date dd/mm/YY
+ "([\\d]{2}):([\\d]{2}):([\\d]{2})," + // Time hh:mm:ss
+ "(-?[\\d]{2})([\\d]{2}.[\\d]{4})," + // Latitude (DDMM.MMMM)
+ "(-?[\\d]{3})([\\d]{2}.[\\d]{4})," + // Longitude (DDDMM.MMMM)
+ "([\\d]+.[\\d]{2})," + // Speed
+ "([\\d]{2-3}+.[\\d]{1-3})," + // degrees
+ ".*");
+
+ static private Pattern deviceImei = Pattern.compile("([\\d]+);");
+
+ /**
+ * Decode message
+ */
+ 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();
+ StringBuilder extendedInfo = new StringBuilder("<protocol>ev603</protocol>");
+
+ // Get imei from First message
+ if (sentence.contains("!1,")) {
+ Matcher imeiparser = deviceImei.matcher(sentence);
+ if (!imeiparser.matches()){
+ return null;
+ }else{
+ String imei = imeiparser.group(1);
+ position.setDeviceId(getDataManager().getDeviceByImei(imei).getId());
+ }
+ }
+
+ Integer index = 1;
+
+ // Date
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.clear();
+ 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++)));
+
+ // Time
+ 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());
+
+ // Validity
+ position.setValid(true);
+
+ // Latitude
+ Double latitude = Double.valueOf(parser.group(index++));
+ latitude += Double.valueOf(parser.group(index++)) / 60;
+ position.setLatitude(latitude);
+
+ // Longitude
+ Double lonlitude = Double.valueOf(parser.group(index++));
+ lonlitude += Double.valueOf(parser.group(index++)) / 60;
+ position.setLongitude(lonlitude);
+
+ // Altitude
+ position.setAltitude(0.0);
+
+ // Speed
+ position.setSpeed(Double.valueOf(parser.group(index++)));
+ position.setCourse(0.0);
+
+ // Extended info
+ extendedInfo.append("<course>");
+ extendedInfo.append(parser.group(index++));
+ extendedInfo.append("</course>");
+
+ return position;
+ }
+}
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