001: /*
002: * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/event/MvnForumEventManager.java,v 1.3 2007/12/17 09:09:41 minhnn Exp $
003: * $Author: minhnn $
004: * $Revision: 1.3 $
005: * $Date: 2007/12/17 09:09:41 $
006: *
007: * ====================================================================
008: *
009: * Copyright (C) 2002-2007 by MyVietnam.net
010: *
011: * All copyright notices regarding mvnForum MUST remain
012: * intact in the scripts and in the outputted HTML.
013: * The "powered by" text/logo with a link back to
014: * http://www.mvnForum.com and http://www.MyVietnam.net in
015: * the footer of the pages MUST remain visible when the pages
016: * are viewed on the internet or intranet.
017: *
018: * This program is free software; you can redistribute it and/or modify
019: * it under the terms of the GNU General Public License as published by
020: * the Free Software Foundation; either version 2 of the License, or
021: * any later version.
022: *
023: * This program is distributed in the hope that it will be useful,
024: * but WITHOUT ANY WARRANTY; without even the implied warranty of
025: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
026: * GNU General Public License for more details.
027: *
028: * You should have received a copy of the GNU General Public License
029: * along with this program; if not, write to the Free Software
030: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
031: *
032: * Support can be obtained from support forums at:
033: * http://www.mvnForum.com/mvnforum/index
034: *
035: * Correspondence and Marketing Questions can be sent to:
036: * info at MyVietnam net
037: *
038: * @author: Minh Nguyen
039: * @author: Mai Nguyen
040: */
041: package com.mvnforum.event;
042:
043: import java.util.ArrayList;
044: import java.util.Collection;
045: import java.util.Iterator;
046:
047: public class MvnForumEventManager {
048:
049: //static variable
050: private static MvnForumEventManager instance = new MvnForumEventManager();
051:
052: private transient Collection eventListeners;
053:
054: private MvnForumEventManager() {
055: eventListeners = new ArrayList();
056: }
057:
058: public static MvnForumEventManager getInstance() {
059: return instance;
060: }
061:
062: /************************************************************************
063: * Event method
064: ************************************************************************/
065: public synchronized void removeMvnForumEventListener(
066: MvnForumEventListener listener) {
067: eventListeners.remove(listener);
068: }
069:
070: public synchronized void addMvnForumEventListener(
071: MvnForumEventListener listener) {
072: System.out
073: .println("MvnForumEventManager.addMvnForumEventListener()");
074: eventListeners.add(listener);
075: }
076:
077: public void firePreLogin(MvnForumEvent e) {
078: for (Iterator iterator = eventListeners.iterator(); iterator
079: .hasNext();) {
080: ((MvnForumEventListener) iterator.next()).onPreLogin(e);
081: }
082: }
083:
084: public void firePostLogin(MvnForumEvent e) {
085: for (Iterator iterator = eventListeners.iterator(); iterator
086: .hasNext();) {
087: ((MvnForumEventListener) iterator.next()).onPostLogin(e);
088: }
089: }
090:
091: public void firePreLogout(MvnForumEvent e) {
092: System.out.println("MvnForumEventManager.firePreLogout() "
093: + eventListeners.size());
094: for (Iterator iterator = eventListeners.iterator(); iterator
095: .hasNext();) {
096: ((MvnForumEventListener) iterator.next()).onPreLogout(e);
097: }
098: }
099:
100: public void firePostLogout(MvnForumEvent e) {
101: for (Iterator iterator = eventListeners.iterator(); iterator
102: .hasNext();) {
103: ((MvnForumEventListener) iterator.next()).onPostLogout(e);
104: }
105: }
106:
107: }
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