ManagerFactory
/*
* $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/ManagerFactory.java,v 1.6 2005/01/18 11:52:08 minhnn Exp $
* $Author: minhnn $
* $Revision: 1.6 $
* $Date: 2005/01/18 11:52:08 $
*
* ====================================================================
*
* Copyright (C) 2002-2005 by MyVietnam.net
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* All copyright notices regarding mvnForum MUST remain intact
* in the scripts and in the outputted HTML.
* The "powered by" text/logo with a link back to
* http://www.mvnForum.com and http://www.MyVietnam.net in the
* footer of the pages MUST remain visible when the pages
* are viewed on the internet or intranet.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Support can be obtained from support forums at:
* http://www.mvnForum.com/mvnforum/index
*
* Correspondence and Marketing Questions can be sent to:
* [email protected]
*
* @author: Luis Miguel Hernanz <[email protected]>
* @author: Minh Nguyen [email protected]
*/
package com.mvnforum;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.mvnforum.auth.Authenticator;
import com.mvnforum.auth.OnlineUserFactory;
/**
* Instance that returns the right implementation for the different
* parts of the mvnforum system.
*
* @author <a href="[email protected]">Luis Miguel Hernanz</a>
* @version $Revision: 1.6 $
*/
// @todo : split this class to new class DAOFactory
public class ManagerFactory {
private static Log log = LogFactory.getLog(ManagerFactory.class);
/**
* Creates a new <code>ManagerFactory</code> instance.
*/
protected ManagerFactory() {}
private static OnlineUserFactory onlineUserFactory = null;
private static Authenticator authenticator = null;
private static RequestProcessor requestProcessor = null;
public static synchronized OnlineUserFactory getOnlineUserFactory() {
if (onlineUserFactory == null) {
try {
Class c = Class.forName(MVNForumFactoryConfig.getOnlineUserFactoryClassName());
onlineUserFactory = (OnlineUserFactory) c.newInstance();
log.info("onlineUserFactory = " + onlineUserFactory);
} catch (Exception e) {
log.error("Error returning the online user factory.", e);
throw new RuntimeException(e.getMessage());
}
}
return onlineUserFactory;
}
public static synchronized Authenticator getAuthenticator() {
try {
String authenticatorClass = MVNForumFactoryConfig.getAuthenticatorClassName();
if ((null != authenticatorClass) && !authenticatorClass.trim().equals("")) {
log.debug("Using the authenticator: " + authenticatorClass);
if (authenticator == null) {
Class c = Class.forName(authenticatorClass);
authenticator = (Authenticator) c.newInstance();
log.info("authenticator = " + authenticator);
}
return authenticator;
}
} catch (Exception e){
log.error("Error getting the authentication object", e);
}
return null;
}
public static synchronized RequestProcessor getRequestProcessor() {
if (requestProcessor == null) {
try {
Class c = Class.forName(MVNForumFactoryConfig.getRequestProcessorClassName());
requestProcessor = (RequestProcessor) c.newInstance();
log.info("requestProcessor = " + requestProcessor);
} catch (Exception e) {
// This should never happen
log.error("Error returning the requestProcessor.", e);
throw new RuntimeException(e.getMessage());
}
}
return requestProcessor;
}
}