/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.data.geometryless;
import java.sql.SQLException;
import java.util.logging.Logger;
import javax.sql.ConnectionPoolDataSource;
import javax.sql.PooledConnection;
/**
* Creates ConnectionPool objects for a certain JDBC database instance.
*
* @author Rob Atkinson rob@socialchange.net.NOSPAM.au
* @author Gary Sheppard garysheppard@psu.edu
*
* @source $URL$
*/
public class ConnectionPoolFacade implements ConnectionPoolDataSource {
/** Standard logging instance */
private static final Logger LOGGER = org.geotools.util.logging.Logging.getLogger("org.geotools.data.geometryless");
private ConnectionPoolDataSource _nativePool;
/** Creates configuration-driven JDBC driver class. */
private String _dbURL;
private String _username = "";
private String _password = "";
/**
* Creates a new ConnectionPool object from a specified database URL. This
* is normally of the following format: <br/><br/>jdbc:mysql:// <host>:
* <port>/ <instance>
*
* @param url
* the JDBC database URL
*/
public ConnectionPoolFacade(String poolKey, String driver)
throws SQLException {
try {
_nativePool = (ConnectionPoolDataSource) (Class.forName(driver)
.newInstance());
// LOGGER.fine("Obtained ConnectionPoolDataSource " + _nativePool
// + " from driver " + driver);
} catch (Exception e) {
throw new SQLException(
"Failed to instantiate connection pool using " + driver
+ "(" + e + ")");
}
}
/**
* Sets the JDBC database login credentials.
*
* @param username
* the username
*
*/
public void setUser(String username) {
_username = username;
}
/**
* Sets the JDBC database login credentials.
*
* @param username
* the username
* @param password
* the password
*/
public void setURL(String dbURL) throws SQLException {
_dbURL = dbURL;
try {
_nativePool.getClass().getMethod("setURL",
new Class[] { String.class }).invoke(_nativePool,
new Object[] { _dbURL });
} catch (Exception e) {
LOGGER.severe("Failed to instantiate connection pool trying setURL method with value "
+ _dbURL);
LOGGER.severe("Either the info.xml urlprefix is incorrect, or you need to use an org.geotools.data.geometryless.wrapper class,");
LOGGER.severe("or you need to wrapper your driver to provide a setURL method");
throw new SQLException(
"Failed to instantiate connection pool using " + _dbURL
+ "(" + e + ")");
}
LOGGER.fine("Instantiated connection pool using " + _dbURL);
}
/**
* Sets the JDBC database login credentials.
*
* @param username
* the username
* @param password
* the password
*/
public void setPassword(String password) {
_password = password;
}
public PooledConnection getPooledConnection() throws SQLException {
return getPooledConnection(_username, _password);
}
/* these are all the methods needed for the interface... */
public PooledConnection getPooledConnection(String user, String password)
throws SQLException {
return _nativePool.getPooledConnection(user, password);
}
public int getLoginTimeout() throws SQLException {
return _nativePool.getLoginTimeout();
}
public java.io.PrintWriter getLogWriter() throws SQLException {
return _nativePool.getLogWriter();
}
public void setLogWriter(java.io.PrintWriter out) throws SQLException {
_nativePool.setLogWriter(out);
}
public void setLoginTimeout(int seconds) throws SQLException {
_nativePool.setLoginTimeout(seconds);
}
}