/**
* Copyright (c) 2000-2005 Liferay, LLC. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.liferay.portal.events;
import java.util.Set;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.liferay.portal.struts.Action;
import com.liferay.portal.struts.ActionException;
import com.liferay.portal.struts.SessionAction;
import com.liferay.portal.struts.SimpleAction;
import com.liferay.util.CollectionFactory;
import com.liferay.util.InstancePool;
import com.liferay.util.Validator;
/**
* <a href="EventsProcessor.java.html"><b><i>View Source</i></b></a>
*
* @author Brian Wing Shun Chan
* @version $Revision: 1.9 $
*
*/
public class EventsProcessor {
public static void process(String[] classes) throws ActionException {
_getInstance()._process(classes, null, null, null, null, false);
}
public static void process(String[] classes, String[] ids)
throws ActionException {
_getInstance()._process(classes, ids, null, null, null, false);
}
public static void process(String[] classes, HttpSession ses)
throws ActionException {
_getInstance()._process(classes, null, null, null, ses, false);
}
public static void process(String[] classes, HttpServletRequest req,
HttpServletResponse res)
throws ActionException {
_getInstance()._process(classes, null, req, res, null, false);
}
public static void process(String[] classes, boolean single)
throws ActionException {
_getInstance()._process(classes, null, null, null, null, single);
}
public static void process(String[] classes, HttpSession ses,
boolean single)
throws ActionException {
_getInstance()._process(classes, null, null, null, ses, single);
}
public static void process(String[] classes, HttpServletRequest req,
HttpServletResponse res, boolean single)
throws ActionException {
_getInstance()._process(classes, null, req, res, null, single);
}
private static EventsProcessor _getInstance() {
if (_instance == null) {
synchronized (EventsProcessor.class) {
if (_instance == null) {
_instance = new EventsProcessor();
}
}
}
return _instance;
}
private EventsProcessor() {
_processPool = CollectionFactory.getHashSet();
}
private void _process(String[] classes, String[] ids,
HttpServletRequest req, HttpServletResponse res,
HttpSession ses, boolean single)
throws ActionException {
if ((classes == null) || (classes.length == 0)) {
return;
}
for (int i = 0; i < classes.length; i++) {
String className = classes[i];
if (Validator.isNotNull(className)) {
if (single) {
synchronized (_processPool) {
if (_processPool.contains(className)) {
break;
}
else {
_processPool.add(className);
}
}
}
Object obj = InstancePool.get(classes[i]);
if (obj instanceof Action) {
Action a = (Action)obj;
try {
a.run(req, res);
}
catch (Exception e) {
throw new ActionException(e);
}
}
else if (obj instanceof SessionAction) {
SessionAction sa = (SessionAction)obj;
try {
sa.run(ses);
}
catch (Exception e) {
throw new ActionException(e);
}
}
else if (obj instanceof SimpleAction) {
SimpleAction sa = (SimpleAction)obj;
try {
sa.run(ids);
}
catch (Exception e) {
throw new ActionException(e);
}
}
}
}
}
private static EventsProcessor _instance;
private Set _processPool;
}