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authorAnton Tananaev <anton.tananaev@gmail.com>2013-08-04 21:02:29 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2013-08-04 21:02:29 +1200
commit5060907d594f54287e9cbd402c1d8804151fcede (patch)
treec0838ec098ff81ea5eba4eeee1e6673213f30407 /src/org/traccar/protocol/SuntechProtocolDecoder.java
parent0c9878c854000353f6b2f0e55e2887af30dc19ee (diff)
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Created new Suntech decoder (fix #345)
Diffstat (limited to 'src/org/traccar/protocol/SuntechProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/SuntechProtocolDecoder.java114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/SuntechProtocolDecoder.java b/src/org/traccar/protocol/SuntechProtocolDecoder.java
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+/*
+ * 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;
+ }
+
+}