diff options
Diffstat (limited to 'src/net')
9 files changed, 1010 insertions, 0 deletions
diff --git a/src/net/sourceforge/opentracking/Daemon.java b/src/net/sourceforge/opentracking/Daemon.java new file mode 100644 index 000000000..aff742fa0 --- /dev/null +++ b/src/net/sourceforge/opentracking/Daemon.java @@ -0,0 +1,180 @@ +/* + * 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; + +import java.util.List; +import java.util.LinkedList; +import java.util.Properties; +import java.io.FileInputStream; +import java.io.IOException; +import java.sql.DriverManager; +import java.sql.Connection; +import java.sql.ResultSet; +import java.sql.SQLException; +import net.sourceforge.opentracking.helper.NamedParameterStatement; +import org.jboss.netty.handler.codec.frame.FixedLengthFrameDecoder; +import org.jboss.netty.handler.codec.string.StringDecoder; +import net.sourceforge.opentracking.protocol.xexun.XexunFrameDecoder; +import net.sourceforge.opentracking.protocol.xexun.XexunProtocolDecoder; + +/** + * Daemon + */ +public class Daemon implements DataManager { + + /** + * Server list + */ + private List serverList; + + public Daemon() { + serverList = new LinkedList(); + } + + /** + * Init + */ + public void init(String[] arguments) + throws IOException, ClassNotFoundException, SQLException { + + // Load properties + Properties properties = new Properties(); + properties.loadFromXML(new FileInputStream(arguments[0])); + //properties.loadFromXML(Daemon.class.getResourceAsStream("/configuration.xml")); + + initDatabase(properties); + initXexunServer(properties); + } + + /** + * Database connection + */ + private Connection connection; + + private NamedParameterStatement selectDevice; + + private NamedParameterStatement insertPosition; + + /** + * Init database + */ + private void initDatabase(Properties properties) + throws ClassNotFoundException, SQLException { + + // Load driver + String driver = properties.getProperty("database.driver"); + if (driver != null) { + Class.forName(driver); + } + + // Connect database + String url = properties.getProperty("database.url"); + String user = properties.getProperty("database.user"); + String password = properties.getProperty("database.password"); + + if (user != null && password != null) { + connection = DriverManager.getConnection(url, user, password); + } else { + connection = DriverManager.getConnection(url); + } + + // Init statements + String selectDeviceQuery = properties.getProperty("database.selectDevice"); + if (selectDeviceQuery != null) { + selectDevice = new NamedParameterStatement(connection, selectDeviceQuery); + } + + String insertPositionQuery = properties.getProperty("database.insertPosition"); + if (insertPositionQuery != null) { + insertPosition = new NamedParameterStatement(connection, insertPositionQuery); + } + } + + public synchronized List readDevice() throws SQLException { + + List deviceList = new LinkedList(); + + ResultSet result = selectDevice.executeQuery(); + while (result.next()) { + Device device = new Device(); + device.setId(result.getLong("id")); + device.setImei(result.getString("imei")); + deviceList.add(device); + } + + return deviceList; + } + + public synchronized void writePosition(Position position) throws SQLException { + + insertPosition.setInt("device_id", position.getDeviceId().intValue()); + insertPosition.setTimestamp("time", position.getTime()); + insertPosition.setBoolean("valid", position.getValid()); + insertPosition.setDouble("latitude", position.getLatitude()); + insertPosition.setDouble("longitude", position.getLongitude()); + insertPosition.setDouble("speed", position.getSpeed()); + insertPosition.setDouble("course", position.getCourse()); + + insertPosition.executeUpdate(); + } + + /** + * Init Xexun server + */ + public void initXexunServer(Properties properties) throws SQLException { + + boolean enable = Boolean.valueOf(properties.getProperty("xexun.enable")); + if (enable) { + + TrackerServer server = new TrackerServer( + Integer.valueOf(properties.getProperty("xexun.port"))); + + server.getPipeline().addLast("frameDecoder", new XexunFrameDecoder()); + server.getPipeline().addLast("stringDecoder", new StringDecoder()); + server.getPipeline().addLast("objectDecoder", new XexunProtocolDecoder(this)); + + server.getPipeline().addLast("handler", new TrackerEventHandler(this)); + + serverList.add(server); + } + } + + /** + * Start + */ + public void start() { + for (Object server: serverList) { + ((TrackerServer) server).start(); + } + } + + /** + * Stop + */ + public void stop() { + for (Object server: serverList) { + ((TrackerServer) server).stop(); + } + } + + /** + * Destroy + */ + public void destroy() { + serverList.clear(); + } + +} diff --git a/src/net/sourceforge/opentracking/DataManager.java b/src/net/sourceforge/opentracking/DataManager.java new file mode 100644 index 000000000..ed4523d9f --- /dev/null +++ b/src/net/sourceforge/opentracking/DataManager.java @@ -0,0 +1,36 @@ +/* + * 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; + +import java.util.List; +import java.sql.SQLException; + +/** + * Data manager + */ +public interface DataManager { + + /** + * Get device list + */ + public List readDevice() throws SQLException; + + /** + * Write position + */ + public void writePosition(Position position) throws SQLException; + +} diff --git a/src/net/sourceforge/opentracking/Device.java b/src/net/sourceforge/opentracking/Device.java new file mode 100644 index 000000000..9c949b6ca --- /dev/null +++ b/src/net/sourceforge/opentracking/Device.java @@ -0,0 +1,49 @@ +/* + * 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; + +/** + * Device + */ +public class Device { + + /** + * Id + */ + private Long id; + + public Long getId() { + return id; + } + + public void setId(Long newId) { + id = newId; + } + + /** + * International mobile equipment identity (IMEI) + */ + private String imei; + + public String getImei() { + return imei; + } + + public void setImei(String newImei) { + imei = newImei; + } + +} diff --git a/src/net/sourceforge/opentracking/Position.java b/src/net/sourceforge/opentracking/Position.java new file mode 100644 index 000000000..0e20c22c1 --- /dev/null +++ b/src/net/sourceforge/opentracking/Position.java @@ -0,0 +1,129 @@ +/* + * 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; + +import java.util.Date; + +/** + * Position information + */ +public class Position { + + /** + * Id + */ + private Long id; + + public Long getId() { + return id; + } + + public void setId(Long newId) { + id = newId; + } + + /** + * Device + */ + private Long deviceId; + + public Long getDeviceId() { + return deviceId; + } + + public void setDeviceId(Long newDeviceId) { + deviceId = newDeviceId; + } + + /** + * Time (UTC) + */ + private Date time; + + public Date getTime() { + return time; + } + + public void setTime(Date newTime) { + time = newTime; + } + + /** + * Validity flag + */ + private Boolean valid; + + public Boolean getValid() { + return valid; + } + + public void setValid(Boolean newValid) { + valid = newValid; + } + + /** + * Latitude + */ + private Double latitude; + + public Double getLatitude() { + return latitude; + } + + public void setLatitude(Double newLatitude) { + latitude = newLatitude; + } + + /** + * Longitude + */ + private Double longitude; + + public Double getLongitude() { + return longitude; + } + + public void setLongitude(Double newLongitude) { + longitude = newLongitude; + } + + /** + * Speed (knots) + */ + private Double speed; + + public Double getSpeed() { + return speed; + } + + public void setSpeed(Double newSpeed) { + speed = newSpeed; + } + + /** + * Course + */ + private Double course; + + public Double getCourse() { + return course; + } + + public void setCourse(Double newCourse) { + course = newCourse; + } + +} diff --git a/src/net/sourceforge/opentracking/TrackerEventHandler.java b/src/net/sourceforge/opentracking/TrackerEventHandler.java new file mode 100644 index 000000000..845ba650c --- /dev/null +++ b/src/net/sourceforge/opentracking/TrackerEventHandler.java @@ -0,0 +1,63 @@ +/* + * 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; + +import org.jboss.netty.channel.SimpleChannelHandler; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.jboss.netty.channel.ExceptionEvent; +import org.jboss.netty.channel.MessageEvent; +import org.jboss.netty.channel.ChannelPipelineCoverage; +import java.sql.SQLException; + +/** + * Tracker message handler + */ +@ChannelPipelineCoverage("all") +public class TrackerEventHandler extends SimpleChannelHandler { + + /** + * Data manager + */ + private DataManager dataManager; + + TrackerEventHandler(DataManager newDataManager) { + super(); + dataManager = newDataManager; + } + + @Override + public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) { + + System.out.println("message recieved"); + + if (e.getMessage() instanceof Position) { + + // Write position to database + try { + dataManager.writePosition((Position) e.getMessage()); + } catch (Exception error) { + System.out.println("write error"); + } + } + } + + @Override + public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) { + System.out.println("error: " + e.getCause().getMessage()); + e.getChannel().close(); + } + +} diff --git a/src/net/sourceforge/opentracking/TrackerServer.java b/src/net/sourceforge/opentracking/TrackerServer.java new file mode 100644 index 000000000..76e5b1bbf --- /dev/null +++ b/src/net/sourceforge/opentracking/TrackerServer.java @@ -0,0 +1,114 @@ +/* + * 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; + +import java.net.InetSocketAddress; +import java.util.concurrent.Executors; +import org.jboss.netty.bootstrap.ServerBootstrap; +import org.jboss.netty.channel.Channel; +import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory; +import org.jboss.netty.channel.group.ChannelGroup; +import org.jboss.netty.channel.group.DefaultChannelGroup; +import org.jboss.netty.channel.group.ChannelGroupFuture; +import org.jboss.netty.channel.SimpleChannelHandler; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.jboss.netty.channel.ChannelStateEvent; +import org.jboss.netty.channel.ChannelPipelineCoverage; + +/** + * Tracker server + */ +public class TrackerServer extends ServerBootstrap { + + /** + * Open channel handler + */ + @ChannelPipelineCoverage("all") + protected class OpenChannelHandler extends SimpleChannelHandler { + + TrackerServer server; + + public OpenChannelHandler(TrackerServer newServer) { + server = newServer; + } + + @Override + public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e) { + System.out.println("connected: " + e.getChannel().getRemoteAddress()); + server.getChannelGroup().add(e.getChannel()); + } + } + + /** + * Initialization + */ + private void init(Integer port, Integer threadPoolSize) { + + setPort(port); + + // Create channel factory + setFactory(new NioServerSocketChannelFactory( + Executors.newFixedThreadPool(threadPoolSize), + Executors.newFixedThreadPool(threadPoolSize))); + + // Add open channel handler + getPipeline().addLast("openHandler", new OpenChannelHandler(this)); + } + + public TrackerServer(Integer port) { + init(port, 1); + } + + /** + * Server port + */ + private Integer port; + + public Integer getPort() { + return port; + } + + private void setPort(Integer newPort) { + port = newPort; + } + + /** + * Opened channels + */ + private ChannelGroup allChannels = new DefaultChannelGroup(); + + public ChannelGroup getChannelGroup() { + return allChannels; + } + + /** + * Start server + */ + public void start() { + Channel channel = bind(new InetSocketAddress(getPort())); + getChannelGroup().add(channel); + } + + /** + * Stop server + */ + public void stop() { + ChannelGroupFuture future = getChannelGroup().close(); + future.awaitUninterruptibly(); + getFactory().releaseExternalResources(); + } + +} diff --git a/src/net/sourceforge/opentracking/helper/NamedParameterStatement.java b/src/net/sourceforge/opentracking/helper/NamedParameterStatement.java new file mode 100644 index 000000000..2480a15e2 --- /dev/null +++ b/src/net/sourceforge/opentracking/helper/NamedParameterStatement.java @@ -0,0 +1,181 @@ +/* + * 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.helper; + +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.sql.Timestamp; + +import java.util.Map; +import java.util.HashMap; +import java.util.List; +import java.util.LinkedList; +import java.util.Date; + +public class NamedParameterStatement { + + /** + * Native statement + */ + private final PreparedStatement statement; + + /** + * Index mapping + */ + private final Map indexMap; + + /** + * Initialize statement + */ + public NamedParameterStatement(Connection connection, String query) + throws SQLException { + + indexMap = new HashMap(); + String parsedQuery = parse(query, indexMap); + statement = connection.prepareStatement(parsedQuery); + } + + /** + * Parse query + */ + static final String parse(String query, Map paramMap) { + + int length = query.length(); + StringBuffer parsedQuery = new StringBuffer(length); + boolean inSingleQuote = false; + boolean inDoubleQuote = false; + int index = 1; + + for(int i = 0; i < length; i++) { + + char c = query.charAt(i); + + // String end + if (inSingleQuote) { + if (c == '\'') inSingleQuote = false; + } else if (inDoubleQuote) { + if (c == '"') inDoubleQuote = false; + } else { + + // String begin + if (c == '\'') { + inSingleQuote = true; + } else if (c == '"') { + inDoubleQuote = true; + } else if (c == ':' && i + 1 < length && + Character.isJavaIdentifierStart(query.charAt(i + 1))) { + + // Identifier name + int j = i + 2; + while (j < length && Character.isJavaIdentifierPart(query.charAt(j))) j++; + + String name = query.substring(i + 1, j); + c = '?'; + i += name.length(); + + // Add to list + List indexList = (List) paramMap.get(name); + if (indexList == null) { + indexList = new LinkedList(); + paramMap.put(name, indexList); + } + indexList.add(new Integer(index)); + + index++; + } + } + + parsedQuery.append(c); + } + + return parsedQuery.toString(); + } + + /** + * Execute query with result + */ + public ResultSet executeQuery() throws SQLException { + return statement.executeQuery(); + } + + + /** + * Executes query without result + */ + public int executeUpdate() throws SQLException { + return statement.executeUpdate(); + } + + /** + * Immediately closes the statement + */ + public void close() throws SQLException { + statement.close(); + } + + /** + * Set a parameter + */ + /*public void setObject(String name, Object value) throws SQLException { + + List indexList = (List) indexMap.get(name); + if (indexList != null) { + for (Object index: indexList) { + statement.setObject((Integer) index, value); + } + } + else { + throw new IllegalArgumentException(); + } + }*/ + + public void setInt(String name, int value) throws SQLException { + + List indexList = (List) indexMap.get(name); + for (Object index: indexList) { + statement.setInt((Integer) index, value); + } + } + + public void setBoolean(String name, boolean value) throws SQLException { + + List indexList = (List) indexMap.get(name); + for (Object index: indexList) { + statement.setBoolean((Integer) index, value); + } + } + + public void setDouble(String name, double value) throws SQLException { + + List indexList = (List) indexMap.get(name); + for (Object index: indexList) { + statement.setDouble((Integer) index, value); + } + } + + public void setTimestamp(String name, Date value) throws SQLException { + + List indexList = (List) indexMap.get(name); + for (Object index: indexList) { + statement.setTimestamp( + (Integer) index, + new Timestamp(value.getTime())); + } + } + +} diff --git a/src/net/sourceforge/opentracking/protocol/xexun/XexunFrameDecoder.java b/src/net/sourceforge/opentracking/protocol/xexun/XexunFrameDecoder.java new file mode 100644 index 000000000..338c7bec9 --- /dev/null +++ b/src/net/sourceforge/opentracking/protocol/xexun/XexunFrameDecoder.java @@ -0,0 +1,105 @@ +/* + * Минимум - 100 + * Начало - (10 цифр) + ',' + * Длина 16 x ',' + */ + +package net.sourceforge.opentracking.protocol.xexun; + +import org.jboss.netty.handler.codec.frame.FrameDecoder; +import org.jboss.netty.channel.Channel; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.jboss.netty.buffer.ChannelBuffer; + +/** + * + */ +public class XexunFrameDecoder extends FrameDecoder { + + protected Object decode( + ChannelHandlerContext ctx, + Channel channel, + ChannelBuffer buf) throws Exception { + + System.out.println("read: " + buf.readableBytes()); + + // Check minimum length + int length = buf.readableBytes(); + if (length < 100) { + return null; + } + + // Find identifier + int index = 0; + int countDigit = 0; + for (; index < length; index++) { + + // Check byte + char c = (char) buf.getByte(index); + if (Character.isDigit(c)) { + countDigit++; + } + + // Check count + if (countDigit == 10) { + break; + } + } + + if (countDigit < 10) { + return null; + } + + // Find begin + int beginIndex = 0; + for (; index < length; index++) { + + char c = (char) buf.getByte(index); + if (c == ',') { + beginIndex = index; + break; + } + } + + if (beginIndex == 0) { + return null; + } + + // Find imei + int imeiIndex = 0; + for (; index < length; index++) { + + char c = (char) buf.getByte(index); + if (c == ':') { + imeiIndex = index; + break; + } + } + + if (imeiIndex == 0) { + return null; + } + + // Find end + int endIndex = 0; + for (; index < length; index++) { + + char c = (char) buf.getByte(index); + if (c == ',') { + endIndex = index; + break; + } + } + + if (endIndex == 0) { + return null; + } + + // Read buffer + buf.skipBytes(beginIndex); + ChannelBuffer frame = buf.readBytes(endIndex - beginIndex + 1); + + return frame; + } + +} diff --git a/src/net/sourceforge/opentracking/protocol/xexun/XexunProtocolDecoder.java b/src/net/sourceforge/opentracking/protocol/xexun/XexunProtocolDecoder.java new file mode 100644 index 000000000..cfd88fe6e --- /dev/null +++ b/src/net/sourceforge/opentracking/protocol/xexun/XexunProtocolDecoder.java @@ -0,0 +1,153 @@ +/* + * 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.xexun; + +import java.util.List; +import java.util.Map; +import java.util.HashMap; +import java.util.Calendar; +import java.util.GregorianCalendar; +import java.util.regex.Pattern; +import java.util.regex.Matcher; +import java.text.ParseException; +import org.jboss.netty.channel.Channel; +import org.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.jboss.netty.handler.codec.oneone.OneToOneDecoder; +import org.jboss.netty.channel.ChannelPipelineCoverage; +import net.sourceforge.opentracking.Position; +import net.sourceforge.opentracking.Device; +import net.sourceforge.opentracking.DataManager; +import java.sql.SQLException; + +/** + * Xexun tracker protocol decoder + */ +@ChannelPipelineCoverage("all") +public class XexunProtocolDecoder extends OneToOneDecoder { + + /** + * Init device table + */ + public XexunProtocolDecoder(DataManager dataManager) throws SQLException { + + // Create map + setDevices(new HashMap()); + + if (dataManager != null) { + List deviceList = dataManager.readDevice(); + + for (Object device: deviceList) { + getDevices().put(((Device) device).getImei(), device); + } + } + } + + /** + * Devices + */ + private Map devices; + + public Map getDevices() { + return devices; + } + + private void setDevices(Map newDevices) { + devices = newDevices; + } + + /** + * Regular expressions pattern + */ + static private Pattern pattern = Pattern.compile( + "," + // Old: [\\d]+, + "\\+?[\\d]+," + // Trusted phone number + "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) + ".*imei:" + + "([\\d]+)," + // IMEI + ".*"); + + /** + * Decode message + */ + protected Object decode( + ChannelHandlerContext ctx, Channel channel, Object msg) + throws ParseException { + + // Parse message + String sentence = (String) msg; + System.out.println("parse: " + sentence); + Matcher parser = pattern.matcher(sentence); + if (!parser.matches()) { + throw new ParseException(null, 0); + } + + // Create new position + Position position = new Position(); + + Integer index = 1; + + // Time + Calendar time = new GregorianCalendar(); + 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++))); + time.set(Calendar.MILLISECOND, 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); + + // Speed and course + position.setSpeed(Double.valueOf(parser.group(index++))); + position.setCourse(Double.valueOf(parser.group(index++))); + + // 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++))); + position.setTime(time.getTime()); + + // Get device by IMEI + String imei = parser.group(index++); + position.setDeviceId(((Device) getDevices().get(imei)).getId()); + + return position; + } + +} |