/*
* 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
*
* This file creation date: 25/08/2004 23:32:20
* The JForum Project
* http://www.jforum.net
*/
package net.jforum;
import java.sql.Connection;
import java.sql.DriverManager;
import net.jforum.exceptions.DatabaseException;
import net.jforum.util.preferences.ConfigKeys;
import net.jforum.util.preferences.SystemGlobals;
/**
* Non-pooled connection implementation.
* This class will ask a new conneciton to the database on every
* <code>getConnection()</code> class. Uses of this class include
* systems where a connection pool is not permited or the
* connections' life time is too short, not justifying to have
* a connection pool.
*
* @author Rafael Steil
* @version $Id: SimpleConnection.java,v 1.16 2007/09/12 23:54:21 rafaelsteil Exp $
*/
public class SimpleConnection extends DBConnection
{
/**
* @see net.jforum.Connection#init()
*/
public void init() throws Exception
{
try {
Class.forName(SystemGlobals.getValue(ConfigKeys.DATABASE_CONNECTION_DRIVER));
// Try to validate the connection url
Connection conn = this.getConnection();
if (conn != null) {
this.releaseConnection(conn);
}
this.isDatabaseUp = true;
}
catch (Exception e) {
this.isDatabaseUp = false;
throw e;
}
}
/**
* @see net.jforum.Connection#getConnection()
*/
public Connection getConnection()
{
try {
return DriverManager.getConnection(SystemGlobals.getValue(ConfigKeys.DATABASE_CONNECTION_STRING));
}
catch (Exception e) {
e.printStackTrace();
throw new DatabaseException(e);
}
}
/**
* @see net.jforum.Connection#releaseConnection(java.sql.Connection)
*/
public void releaseConnection(Connection conn)
{
if (conn != null) {
try {
conn.close();
}
catch (Exception e) { }
}
}
/**
* @see net.jforum.DBConnection#realReleaseAllConnections()
*/
public void realReleaseAllConnections() throws Exception {}
}