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Diffstat (limited to 'src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java')
| -rw-r--r-- | src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java b/src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java deleted file mode 100644 index 01954b474..000000000 --- a/src/net/sourceforge/opentracking/protocol/t55/T55ProtocolDecoder.java +++ /dev/null @@ -1,200 +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.t55; - -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 T55ProtocolDecoder extends OneToOneDecoder { - - /** - * Data manager - */ - private DataManager dataManager; - - /** - * Reset connection delay - */ - private Integer resetDelay; - - /** - * Device ID - */ - private Long deviceId; - - /** - * Init device table - */ - public T55ProtocolDecoder(DataManager dataManager, Integer resetDelay) { - this.dataManager = dataManager; - this.resetDelay = resetDelay; - } - - /** - * Regular expressions pattern - */ - static private Pattern pattern = Pattern.compile( - "\\$GPRMC," + - "(\\d{2})(\\d{2})(\\d{2}).(\\d{3})," + // Time (HHMMSS.SSS) - "([AV])," + // Validity - "(\\d{2})(\\d{2}.\\d{4})," + // Latitude (DDMM.MMMM) - "([NS])," + - "(\\d{3})(\\d{2}.\\d{4})," + // Longitude (DDDMM.MMMM) - "([EW])," + - "(\\d+.\\d{2})?," + // Speed - "(\\d+.\\d{2})?," + // Course - "(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY) - ".+"); // Other (Checksumm) - - /** - * Decode message - */ - protected Object decode( - ChannelHandlerContext ctx, Channel channel, Object msg) - throws Exception { - - String sentence = (String) msg; - - //System.out.println(sentence); - - // Detect device ID - if (sentence.contains("$PGID")) { - String imei = sentence.substring(6, 6 + 15); - deviceId = dataManager.getDeviceByImei(imei).getId(); - } - - // Parse message - else if (sentence.contains("$GPRMC") && deviceId != null) { - - // Send response - if (channel != null) { - channel.write("OK1\r\n"); - } - - // Parse message - Matcher parser = pattern.matcher(sentence); - if (!parser.matches()) { - return null; - } - - // Create new position - Position position = new Position(); - position.setDeviceId(deviceId); - - Integer index = 1; - - // Time - Calendar time = new GregorianCalendar(TimeZone.getTimeZone("UTC")); - time.clear(); - 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++))); - index += 1; // Skip milliseconds - position.setTime(time.getTime()); - - // 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); - - // Speed - String speed = parser.group(index++); - if (speed != null) { - position.setSpeed(Double.valueOf(speed)); - } else { - position.setSpeed(0.0); - } - - // Course - String course = parser.group(index++); - if (course != null) { - position.setCourse(Double.valueOf(course)); - } else { - position.setCourse(0.0); - } - - // Date - 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++))); - - // Altitude - position.setAltitude(0.0); - - return position; - } - - return null; - } - - /** - * 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); - } - } - } - -} |