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/*
* 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.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();
}
}
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