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authorAnton Tananaev <anton.tananaev@gmail.com>2011-11-11 13:46:52 +0000
committerAnton Tananaev <anton.tananaev@gmail.com>2011-11-11 13:46:52 +0000
commite7c57a86e55868e3563e023a6dc70e7848c55d20 (patch)
tree61cb0d82671cb68c18bc34be32467548de8b36cf /src/net/sourceforge/opentracking/protocol/tk103/Tk103ProtocolDecoder.java
parenta88479f670fea8f6c7f5fdf13c7dffa67772d854 (diff)
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Diffstat (limited to 'src/net/sourceforge/opentracking/protocol/tk103/Tk103ProtocolDecoder.java')
-rw-r--r--src/net/sourceforge/opentracking/protocol/tk103/Tk103ProtocolDecoder.java175
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diff --git a/src/net/sourceforge/opentracking/protocol/tk103/Tk103ProtocolDecoder.java b/src/net/sourceforge/opentracking/protocol/tk103/Tk103ProtocolDecoder.java
deleted file mode 100644
index 12108b121..000000000
--- a/src/net/sourceforge/opentracking/protocol/tk103/Tk103ProtocolDecoder.java
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * Copyright 2010 Anton Tananaev (anton@tananaev.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 net.sourceforge.opentracking.protocol.tk103;
-
-import java.util.Calendar;
-import java.util.GregorianCalendar;
-import java.util.TimeZone;
-import java.util.Timer;
-import java.util.TimerTask;
-import java.util.regex.Pattern;
-import java.util.regex.Matcher;
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-import org.jboss.netty.handler.codec.oneone.OneToOneDecoder;
-import net.sourceforge.opentracking.Position;
-import net.sourceforge.opentracking.DataManager;
-import org.jboss.netty.channel.ChannelEvent;
-import org.jboss.netty.channel.ChannelState;
-import org.jboss.netty.channel.ChannelStateEvent;
-
-/**
- * Gps 103 tracker protocol decoder
- */
-public class Tk103ProtocolDecoder extends OneToOneDecoder {
-
- /**
- * Data manager
- */
- private DataManager dataManager;
-
- /**
- * Reset connection delay
- */
- private Integer resetDelay;
-
- /**
- * Init device table
- */
- public Tk103ProtocolDecoder(DataManager dataManager, Integer resetDelay) {
- this.dataManager = dataManager;
- this.resetDelay = resetDelay;
- }
-
- /**
- * Regular expressions pattern
- */
- static private Pattern pattern = Pattern.compile(
- "\\(" +
- "(\\d+)" + // Device ID
- "(.{4})" + // Command
- "(\\d{15})" + // IMEI (?)
- "(\\d{2})(\\d{2})(\\d{2})" + // Date (YYMMDD)
- "([AV])" + // Validity
- "(\\d{2})(\\d{2}.\\d{4})" + // Latitude (DDMM.MMMM)
- "([NS])" +
- "(\\d{3})(\\d{2}.\\d{4})" + // Longitude (DDDMM.MMMM)
- "([EW])" +
- "(\\d+.\\d)" + // Speed
- "(\\d{2})(\\d{2})(\\d{2})" + // Time (HHMMSS)
- "(\\d+.\\d{2})" + // Course
- "(\\d+)" + // State
- ".+"); // Mileage (?)
-
- /**
- * Decode message
- */
- protected Object decode(
- ChannelHandlerContext ctx, Channel channel, Object msg)
- throws Exception {
-
- String sentence = (String) msg;
-
- // TODO: Send response (?)
-
- // Parse message
- Matcher parser = pattern.matcher(sentence);
- if (!parser.matches()) {
- return null;
- }
-
- // Create new position
- Position position = new Position();
-
- Integer index = 1;
- index += 2; // Skip Device ID and command
-
- // Get device by IMEI
- String imei = parser.group(index++);
- position.setDeviceId(dataManager.getDeviceByImei(imei).getId());
-
- // Date
- Calendar time = new GregorianCalendar(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++)));
-
- // Validity
- position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
-
- // Latitude
- Double latitude = Double.valueOf(parser.group(index++));
- latitude += Double.valueOf(parser.group(index++)) / 60;
- if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
- position.setLatitude(latitude);
-
- // Longitude
- Double lonlitude = Double.valueOf(parser.group(index++));
- lonlitude += Double.valueOf(parser.group(index++)) / 60;
- if (parser.group(index++).compareTo("W") == 0) lonlitude = -lonlitude;
- position.setLongitude(lonlitude);
-
- // Altitude
- position.setAltitude(0.0);
-
- // Speed
- position.setSpeed(Double.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());
-
- // Course
- position.setCourse(Double.valueOf(parser.group(index++)));
-
- return position;
- }
-
- /**
- * Disconnect channel
- */
- class DisconnectTask extends TimerTask {
- private Channel channel;
-
- public DisconnectTask(Channel channel) {
- this.channel = channel;
- }
-
- public void run() {
- channel.disconnect();
- }
- }
-
- /**
- * Handle connect event
- */
- @Override
- public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent evt) throws Exception {
- super.handleUpstream(ctx, evt);
-
- if (evt instanceof ChannelStateEvent) {
- ChannelStateEvent event = (ChannelStateEvent) evt;
-
- if (event.getState() == ChannelState.CONNECTED && event.getValue() != null && resetDelay != 0) {
- new Timer().schedule(new DisconnectTask(evt.getChannel()), resetDelay);
- }
- }
- }
-
-}