/*
* Copyright (c) JForum Team
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* 1) Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* 2) Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* 3) Neither the name of "Rafael Steil" nor
* the names of its contributors may be used to endorse
* or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
*
* Created on 30/11/2005 17:07:51
* The JForum Project
* http://www.jforum.net
*/
package net.jforum;
import java.lang.reflect.Method;
import java.sql.Connection;
import net.jforum.exceptions.DatabaseException;
import net.jforum.util.preferences.ConfigKeys;
import net.jforum.util.preferences.SystemGlobals;
import com.mchange.v2.c3p0.ComboPooledDataSource;
import com.mchange.v2.c3p0.DataSources;
/**
* @author Rafael Steil
* @version $Id: C3P0PooledConnection.java,v 1.7 2007/04/12 02:11:52 rafaelsteil Exp $
*/
public class C3P0PooledConnection extends DBConnection
{
private ComboPooledDataSource ds;
/**
*
* @see net.jforum.DBConnection#init()
*/
public void init() throws Exception
{
this.ds = new ComboPooledDataSource();
this.ds.setDriverClass(SystemGlobals.getValue(ConfigKeys.DATABASE_CONNECTION_DRIVER));
this.ds.setJdbcUrl(SystemGlobals.getValue(ConfigKeys.DATABASE_CONNECTION_STRING));
this.ds.setMinPoolSize(SystemGlobals.getIntValue(ConfigKeys.DATABASE_POOL_MIN));
this.ds.setMaxPoolSize(SystemGlobals.getIntValue(ConfigKeys.DATABASE_POOL_MAX));
this.ds.setIdleConnectionTestPeriod(SystemGlobals.getIntValue(ConfigKeys.DATABASE_PING_DELAY));
this.extraParams();
}
private void extraParams()
{
String extra = SystemGlobals.getValue(ConfigKeys.C3P0_EXTRA_PARAMS);
if (extra != null && extra.trim().length() > 0) {
String[] p = extra.split(";");
for (int i = 0; i < p.length; i++) {
String[] kv = p[i].trim().split("=");
if (kv.length == 2) {
this.invokeSetter(kv[0], kv[1]);
}
}
}
}
/**
* Huge hack to invoke methods without the need of an external configuration file
* and whithout knowing the argument's type
*/
private void invokeSetter(String propertyName, String value)
{
try {
String setter = "set" + propertyName.substring(0, 1).toUpperCase() + propertyName.substring(1);
Method[] methods = this.ds.getClass().getMethods();
for (int i = 0; i < methods.length; i++) {
Method method = methods[i];
if (method.getName().equals(setter)) {
Class[] paramTypes = method.getParameterTypes();
if (paramTypes[0] == String.class) {
method.invoke(this.ds, new Object[] { value });
}
else if (paramTypes[0] == int.class) {
method.invoke(this.ds, new Object[] { new Integer(value) });
}
else if (paramTypes[0] == boolean.class) {
method.invoke(this.ds, new Object[] { Boolean.valueOf(value) });
}
}
}
}
catch (Exception e) {
e.printStackTrace();
}
}
/**
* @see net.jforum.DBConnection#getConnection()
*/
public Connection getConnection()
{
try {
return this.ds.getConnection();
}
catch (Exception e) {
throw new DatabaseException(e);
}
}
/**
* @see net.jforum.DBConnection#releaseConnection(java.sql.Connection)
*/
public void releaseConnection(Connection conn)
{
if (conn==null) {
return;
}
try {
conn.close();
}
catch (Exception e) {
e.printStackTrace();
}
}
/**
* @see net.jforum.DBConnection#realReleaseAllConnections()
*/
public void realReleaseAllConnections() throws Exception
{
DataSources.destroy(this.ds);
}
}