1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet;
24  
25  import com.liferay.portal.kernel.language.LanguageUtil;
26  import com.liferay.portal.kernel.log.Log;
27  import com.liferay.portal.kernel.log.LogFactoryUtil;
28  import com.liferay.portal.kernel.portlet.LiferayPortletRequest;
29  import com.liferay.portal.kernel.portlet.LiferayPortletResponse;
30  import com.liferay.portal.kernel.portlet.PortletFilterUtil;
31  import com.liferay.portal.kernel.servlet.PortletServlet;
32  import com.liferay.portal.kernel.servlet.StringServletResponse;
33  import com.liferay.portal.kernel.util.ClassUtil;
34  import com.liferay.portal.kernel.util.GetterUtil;
35  import com.liferay.portal.kernel.util.JavaConstants;
36  import com.liferay.portal.kernel.util.StringPool;
37  import com.liferay.portal.kernel.util.Time;
38  import com.liferay.portal.model.Layout;
39  import com.liferay.portal.tools.deploy.PortletDeployer;
40  import com.liferay.portal.util.WebKeys;
41  
42  import com.sun.portal.portletcontainer.appengine.filter.FilterChainImpl;
43  
44  import java.io.IOException;
45  
46  import java.util.ArrayList;
47  import java.util.HashMap;
48  import java.util.List;
49  import java.util.Map;
50  import java.util.Set;
51  
52  import javax.portlet.ActionRequest;
53  import javax.portlet.ActionResponse;
54  import javax.portlet.EventRequest;
55  import javax.portlet.EventResponse;
56  import javax.portlet.Portlet;
57  import javax.portlet.PortletConfig;
58  import javax.portlet.PortletContext;
59  import javax.portlet.PortletException;
60  import javax.portlet.PortletRequest;
61  import javax.portlet.PortletSession;
62  import javax.portlet.RenderRequest;
63  import javax.portlet.RenderResponse;
64  import javax.portlet.ResourceRequest;
65  import javax.portlet.ResourceResponse;
66  import javax.portlet.filter.ActionFilter;
67  import javax.portlet.filter.EventFilter;
68  import javax.portlet.filter.FilterChain;
69  import javax.portlet.filter.PortletFilter;
70  import javax.portlet.filter.RenderFilter;
71  import javax.portlet.filter.ResourceFilter;
72  
73  import javax.servlet.RequestDispatcher;
74  import javax.servlet.ServletException;
75  import javax.servlet.http.HttpServletRequest;
76  import javax.servlet.http.HttpServletResponse;
77  import javax.servlet.http.HttpSession;
78  
79  import org.apache.commons.lang.time.StopWatch;
80  
81  /**
82   * <a href="InvokerPortletImpl.java.html"><b><i>View Source</i></b></a>
83   *
84   * @author Brian Wing Shun Chan
85   * @author Brian Myunghun Kim
86   *
87   */
88  public class InvokerPortletImpl implements InvokerPortlet {
89  
90      public static void clearResponse(
91          HttpSession session, long plid, String portletId, String languageId) {
92  
93          String sesResponseId = encodeResponseKey(plid, portletId, languageId);
94  
95          getResponses(session).remove(sesResponseId);
96      }
97  
98      public static void clearResponses(HttpSession session) {
99          getResponses(session).clear();
100     }
101 
102     public static void clearResponses(PortletSession session) {
103         getResponses(session).clear();
104     }
105 
106     public static String encodeResponseKey(
107         long plid, String portletId, String languageId) {
108 
109         StringBuilder sb = new StringBuilder();
110 
111         sb.append(plid);
112         sb.append(StringPool.UNDERLINE);
113         sb.append(portletId);
114         sb.append(StringPool.UNDERLINE);
115         sb.append(languageId);
116 
117         return sb.toString();
118     }
119 
120     public static Map<String, InvokerPortletResponse> getResponses(
121         HttpSession session) {
122 
123         Map<String, InvokerPortletResponse> responses =
124             (Map<String, InvokerPortletResponse>)session.getAttribute(
125                 WebKeys.CACHE_PORTLET_RESPONSES);
126 
127         if (responses == null) {
128             responses = new HashMap<String, InvokerPortletResponse>();
129 
130             session.setAttribute(WebKeys.CACHE_PORTLET_RESPONSES, responses);
131         }
132 
133         return responses;
134     }
135 
136     public static Map<String, InvokerPortletResponse> getResponses(
137         PortletSession portletSession) {
138 
139         return getResponses(
140             ((PortletSessionImpl)portletSession).getHttpSession());
141     }
142 
143     public InvokerPortlet create(
144             com.liferay.portal.model.Portlet portletModel, Portlet portlet,
145             PortletContext portletContext)
146         throws PortletException {
147 
148         try {
149             InvokerPortlet invokerPortlet = (InvokerPortlet)clone();
150 
151             invokerPortlet.prepare(portletModel, portlet, portletContext);
152 
153             return invokerPortlet;
154         }
155         catch (PortletException pe) {
156             throw pe;
157         }
158         catch (Exception e) {
159             throw new PortletException(e);
160         }
161     }
162 
163     public InvokerPortlet create(
164             com.liferay.portal.model.Portlet portletModel, Portlet portlet,
165             PortletConfig portletConfig, PortletContext portletContext,
166             boolean facesPortlet, boolean strutsPortlet,
167             boolean strutsBridgePortlet)
168         throws PortletException {
169 
170         try {
171             InvokerPortlet invokerPortlet = (InvokerPortlet)clone();
172 
173             invokerPortlet.prepare(
174                 portletModel, portlet, portletConfig, portletContext,
175                 facesPortlet, strutsPortlet, strutsBridgePortlet);
176 
177             return invokerPortlet;
178         }
179         catch (PortletException pe) {
180             throw pe;
181         }
182         catch (Exception e) {
183             throw new PortletException(e);
184         }
185     }
186 
187     public void destroy() {
188         if (_destroyable) {
189             Thread currentThread = Thread.currentThread();
190 
191             ClassLoader contextClassLoader =
192                 currentThread.getContextClassLoader();
193 
194             ClassLoader portletClassLoader = getPortletClassLoader();
195 
196             try {
197                 if (portletClassLoader != null) {
198                     currentThread.setContextClassLoader(portletClassLoader);
199                 }
200 
201                 removePortletFilters();
202 
203                 _portlet.destroy();
204             }
205             finally {
206                 if (portletClassLoader != null) {
207                     currentThread.setContextClassLoader(contextClassLoader);
208                 }
209             }
210         }
211 
212         _destroyable = false;
213     }
214 
215     public ClassLoader getPortletClassLoader() {
216         return (ClassLoader)_portletContextImpl.getAttribute(
217             PortletServlet.PORTLET_CLASS_LOADER);
218     }
219 
220     public PortletConfigImpl getPortletConfig() {
221         return _portletConfigImpl;
222     }
223 
224     public PortletContextImpl getPortletContext() {
225         return _portletContextImpl;
226     }
227 
228     public Portlet getPortletInstance() {
229         return _portlet;
230     }
231 
232     public Integer getExpCache() {
233         return _expCache;
234     }
235 
236     public void init(PortletConfig portletConfig) throws PortletException {
237         _portletConfigImpl = (PortletConfigImpl)portletConfig;
238 
239         Thread currentThread = Thread.currentThread();
240 
241         ClassLoader contextClassLoader = currentThread.getContextClassLoader();
242 
243         ClassLoader portletClassLoader = getPortletClassLoader();
244 
245         try {
246             if (portletClassLoader != null) {
247                 currentThread.setContextClassLoader(portletClassLoader);
248             }
249 
250             _portlet.init(portletConfig);
251         }
252         finally {
253             if (portletClassLoader != null) {
254                 currentThread.setContextClassLoader(contextClassLoader);
255             }
256         }
257 
258         _destroyable = true;
259     }
260 
261     public boolean isDestroyable() {
262         return _destroyable;
263     }
264 
265     public boolean isFacesPortlet() {
266         return _facesPortlet;
267     }
268 
269     public boolean isStrutsBridgePortlet() {
270         return _strutsBridgePortlet;
271     }
272 
273     public boolean isStrutsPortlet() {
274         return _strutsPortlet;
275     }
276 
277     public void prepare(
278             com.liferay.portal.model.Portlet portletModel, Portlet portlet,
279             PortletContext portletContext)
280         throws PortletException {
281 
282         _portletModel = portletModel;
283         _portletId = _portletModel.getPortletId();
284         _portlet = portlet;
285         _portletContextImpl = (PortletContextImpl)portletContext;
286 
287         if (_log.isDebugEnabled()) {
288             _log.debug(
289                 "Create root cache wrapper for " +
290                     _portletContextImpl.getPortlet().getPortletId());
291         }
292 
293         if (portletModel.isRemote()) {
294             return;
295         }
296 
297         if (ClassUtil.isSubclass(
298                 _portlet.getClass(), PortletDeployer.JSF_MYFACES) ||
299             ClassUtil.isSubclass(
300                 _portlet.getClass(), PortletDeployer.JSF_SUN)) {
301 
302             _facesPortlet = true;
303         }
304 
305         _strutsPortlet = ClassUtil.isSubclass(
306             portlet.getClass(), StrutsPortlet.class);
307         _strutsBridgePortlet = ClassUtil.isSubclass(
308             portlet.getClass(),
309             "org.apache.portals.bridges.struts.StrutsPortlet");
310         _expCache = portletModel.getExpCache();
311         setPortletFilters();
312     }
313 
314     public void prepare(
315             com.liferay.portal.model.Portlet portletModel, Portlet portlet,
316             PortletConfig portletConfig, PortletContext portletContext,
317             boolean facesPortlet, boolean strutsPortlet,
318             boolean strutsBridgePortlet)
319         throws PortletException {
320 
321         // From prepare
322 
323         _portletModel = portletModel;
324         _portlet = portlet;
325         _portletId = _portletModel.getPortletId();
326         _portletContextImpl = (PortletContextImpl)portletContext;
327         _facesPortlet = facesPortlet;
328         _strutsPortlet = strutsPortlet;
329         _strutsBridgePortlet = strutsBridgePortlet;
330         _expCache = portletModel.getExpCache();
331         setPortletFilters();
332 
333         if (_log.isDebugEnabled()) {
334             _log.debug(
335                 "Create instance cache wrapper for " +
336                     _portletContextImpl.getPortlet().getPortletId());
337         }
338 
339         // From init
340 
341         _portletConfigImpl = (PortletConfigImpl)portletConfig;
342     }
343 
344     public void processAction(
345             ActionRequest actionRequest, ActionResponse actionResponse)
346         throws IOException {
347 
348         StopWatch stopWatch = null;
349 
350         if (_log.isDebugEnabled()) {
351             stopWatch = new StopWatch();
352 
353             stopWatch.start();
354         }
355 
356         try {
357             invokeAction(actionRequest, actionResponse);
358         }
359         catch (PortletException pe) {
360             actionRequest.setAttribute(
361                 _portletId + PortletException.class.getName(), pe);
362         }
363 
364         if (_log.isDebugEnabled()) {
365             _log.debug(
366                 "processAction for " + _portletId + " takes " +
367                     stopWatch.getTime() + " ms");
368         }
369     }
370 
371     public void processEvent(
372             EventRequest eventRequest, EventResponse eventResponse)
373         throws IOException, PortletException {
374 
375         StopWatch stopWatch = null;
376 
377         if (_log.isDebugEnabled()) {
378             stopWatch = new StopWatch();
379 
380             stopWatch.start();
381         }
382 
383         invokeEvent(eventRequest, eventResponse);
384 
385         if (_log.isDebugEnabled()) {
386             _log.debug(
387                 "processEvent for " + _portletId + " takes " +
388                     stopWatch.getTime() + " ms");
389         }
390     }
391 
392     public void render(
393             RenderRequest renderRequest, RenderResponse renderResponse)
394         throws IOException, PortletException {
395 
396         PortletException portletException =
397             (PortletException)renderRequest.getAttribute(
398                 _portletId + PortletException.class.getName());
399 
400         if (portletException != null) {
401             throw portletException;
402         }
403 
404         StopWatch stopWatch = null;
405 
406         if (_log.isDebugEnabled()) {
407             stopWatch = new StopWatch();
408 
409             stopWatch.start();
410         }
411 
412         String remoteUser = renderRequest.getRemoteUser();
413 
414         if ((remoteUser == null) || (_expCache == null) ||
415             (_expCache.intValue() == 0)) {
416 
417             invokeRender(renderRequest, renderResponse);
418         }
419         else {
420             RenderResponseImpl renderResponseImpl =
421                 (RenderResponseImpl)renderResponse;
422 
423             StringServletResponse stringResponse = (StringServletResponse)
424                 renderResponseImpl.getHttpServletResponse();
425 
426             PortletSession portletSession = renderRequest.getPortletSession();
427 
428             long now = System.currentTimeMillis();
429 
430             Layout layout = (Layout)renderRequest.getAttribute(WebKeys.LAYOUT);
431 
432             Map<String, InvokerPortletResponse> sessionResponses =
433                 getResponses(portletSession);
434 
435             String sessionResponseId = encodeResponseKey(
436                 layout.getPlid(), _portletId,
437                 LanguageUtil.getLanguageId(renderRequest));
438 
439             InvokerPortletResponse response = sessionResponses.get(
440                 sessionResponseId);
441 
442             if (response == null) {
443                 String title = invokeRender(renderRequest, renderResponse);
444 
445                 response = new InvokerPortletResponse(
446                     title, stringResponse.getString(),
447                     now + Time.SECOND * _expCache.intValue());
448 
449                 sessionResponses.put(sessionResponseId, response);
450             }
451             else if ((response.getTime() < now) &&
452                      (_expCache.intValue() > 0)) {
453 
454                 String title = invokeRender(renderRequest, renderResponse);
455 
456                 response.setTitle(title);
457                 response.setContent(stringResponse.getString());
458                 response.setTime(now + Time.SECOND * _expCache.intValue());
459             }
460             else {
461                 renderResponseImpl.setTitle(response.getTitle());
462                 stringResponse.getWriter().print(response.getContent());
463             }
464         }
465 
466         Map<String, String[]> properties =
467             ((RenderResponseImpl)renderResponse).getProperties();
468 
469         if (properties.containsKey("clear-request-parameters")) {
470             Map<String, String[]> renderParameters =
471                 ((RenderRequestImpl)renderRequest).getRenderParameters();
472 
473             renderParameters.clear();
474         }
475 
476         if (_log.isDebugEnabled()) {
477             _log.debug(
478                 "render for " + _portletId + " takes " + stopWatch.getTime() +
479                     " ms");
480         }
481     }
482 
483     public void serveResource(
484             ResourceRequest resourceRequest, ResourceResponse resourceResponse)
485         throws IOException {
486 
487         StopWatch stopWatch = null;
488 
489         if (_log.isDebugEnabled()) {
490             stopWatch = new StopWatch();
491 
492             stopWatch.start();
493         }
494 
495         try {
496             invokeResource(resourceRequest, resourceResponse);
497         }
498         catch (PortletException pe) {
499             resourceRequest.setAttribute(
500                 _portletId + PortletException.class.getName(), pe);
501         }
502 
503         if (_log.isDebugEnabled()) {
504             _log.debug(
505                 "serveResource for " + _portletId + " takes " +
506                     stopWatch.getTime() + " ms");
507         }
508     }
509 
510     public void setPortletFilters() throws PortletException {
511         removePortletFilters();
512 
513         Map<String, com.liferay.portal.model.PortletFilter> portletFilters =
514             _portletModel.getPortletFilters();
515 
516         for (Map.Entry<String, com.liferay.portal.model.PortletFilter> entry :
517                 portletFilters.entrySet()) {
518 
519             com.liferay.portal.model.PortletFilter portletFilterModel =
520                 entry.getValue();
521 
522             PortletFilter portletFilter = PortletFilterFactory.create(
523                 portletFilterModel, _portletContextImpl);
524 
525             Set<String> lifecycles = portletFilterModel.getLifecycles();
526 
527             if (lifecycles.contains(PortletRequest.ACTION_PHASE)) {
528                 List<ActionFilter> actionFilters = _actionFiltersMap.get(
529                     _portletId);
530 
531                 if (actionFilters == null) {
532                     actionFilters = new ArrayList<ActionFilter>();
533                 }
534 
535                 actionFilters.add((ActionFilter)portletFilter);
536 
537                 _actionFiltersMap.put(_portletId, actionFilters);
538             }
539 
540             if (lifecycles.contains(PortletRequest.EVENT_PHASE)) {
541                 List<EventFilter> eventFilters = _eventFiltersMap.get(
542                     _portletId);
543 
544                 if (eventFilters == null) {
545                     eventFilters = new ArrayList<EventFilter>();
546                 }
547 
548                 eventFilters.add((EventFilter)portletFilter);
549 
550                 _eventFiltersMap.put(_portletId, eventFilters);
551             }
552 
553             if (lifecycles.contains(PortletRequest.RENDER_PHASE)) {
554                 List<RenderFilter> renderFilters = _renderFiltersMap.get(
555                     _portletId);
556 
557                 if (renderFilters == null) {
558                     renderFilters = new ArrayList<RenderFilter>();
559                 }
560 
561                 renderFilters.add((RenderFilter)portletFilter);
562 
563                 _renderFiltersMap.put(_portletId, renderFilters);
564             }
565 
566             if (lifecycles.contains(PortletRequest.RESOURCE_PHASE)) {
567                 List<ResourceFilter> resourceFilters = _resourceFiltersMap.get(
568                     _portletId);
569 
570                 if (resourceFilters == null) {
571                     resourceFilters = new ArrayList<ResourceFilter>();
572                 }
573 
574                 resourceFilters.add((ResourceFilter)portletFilter);
575 
576                 _resourceFiltersMap.put(_portletId, resourceFilters);
577             }
578         }
579     }
580 
581     protected void invoke(
582             LiferayPortletRequest portletRequest,
583             LiferayPortletResponse portletResponse, String lifecycle,
584             List<? extends PortletFilter> filters)
585         throws IOException, PortletException {
586 
587         FilterChain filterChain = new FilterChainImpl(_portlet, filters);
588 
589         if (_portletConfigImpl.isWARFile()) {
590             String path =
591                 StringPool.SLASH + _portletConfigImpl.getPortletName() +
592                     "/invoke";
593 
594             RequestDispatcher requestDispatcher =
595                 _portletContextImpl.getServletContext().getRequestDispatcher(
596                     path);
597 
598             HttpServletRequest request = portletRequest.getHttpServletRequest();
599             HttpServletResponse response =
600                 portletResponse.getHttpServletResponse();
601 
602             request.setAttribute(JavaConstants.JAVAX_PORTLET_PORTLET, _portlet);
603             request.setAttribute(PortletRequest.LIFECYCLE_PHASE, lifecycle);
604             request.setAttribute(
605                 PortletServlet.PORTLET_SERVLET_FILTER_CHAIN, filterChain);
606 
607             try {
608 
609                 // Resource phase must be a forward because includes do not
610                 // allow you to specify the content type or headers
611 
612                 if (lifecycle.equals(PortletRequest.RESOURCE_PHASE)) {
613                     requestDispatcher.forward(request, response);
614                 }
615                 else {
616                     requestDispatcher.include(request, response);
617                 }
618             }
619             catch (ServletException se) {
620                 Throwable cause = se.getRootCause();
621 
622                 if (cause instanceof PortletException) {
623                     throw (PortletException)cause;
624                 }
625 
626                 throw new PortletException(cause);
627             }
628         }
629         else {
630             PortletFilterUtil.doFilter(
631                 portletRequest, portletResponse, lifecycle, filterChain);
632         }
633 
634         Map<String, String[]> properties = portletResponse.getProperties();
635 
636         if ((properties != null) && (properties.size() > 0)) {
637             if (_expCache != null) {
638                 String[] expCache = properties.get(
639                     RenderResponse.EXPIRATION_CACHE);
640 
641                 if ((expCache != null) && (expCache.length > 0) &&
642                     (expCache[0] != null)) {
643 
644                     _expCache = new Integer(GetterUtil.getInteger(expCache[0]));
645                 }
646             }
647         }
648     }
649 
650     protected void invokeAction(
651             ActionRequest actionRequest, ActionResponse actionResponse)
652         throws IOException, PortletException {
653 
654         LiferayPortletRequest portletRequest =
655             (LiferayPortletRequest)actionRequest;
656         LiferayPortletResponse portletResponse =
657             (LiferayPortletResponse)actionResponse;
658 
659         List<ActionFilter> actionFilters =
660             _actionFiltersMap.get(_getPortletId(portletResponse));
661 
662         invoke(
663             portletRequest, portletResponse, PortletRequest.ACTION_PHASE,
664             actionFilters);
665     }
666 
667     protected void invokeEvent(
668             EventRequest eventRequest, EventResponse eventResponse)
669         throws IOException, PortletException {
670 
671         LiferayPortletRequest portletRequest =
672             (LiferayPortletRequest)eventRequest;
673         LiferayPortletResponse portletResponse =
674             (LiferayPortletResponse)eventResponse;
675 
676         String portletId = _getPortletId(portletResponse);
677 
678         List<EventFilter> eventFilters = _eventFiltersMap.get(portletId);
679 
680         invoke(
681             portletRequest, portletResponse, PortletRequest.EVENT_PHASE,
682             eventFilters);
683     }
684 
685     protected String invokeRender(
686             RenderRequest renderRequest, RenderResponse renderResponse)
687         throws IOException, PortletException {
688 
689         LiferayPortletRequest portletRequest =
690             (LiferayPortletRequest)renderRequest;
691         LiferayPortletResponse portletResponse =
692             (LiferayPortletResponse)renderResponse;
693 
694         String portletId = _getPortletId(portletResponse);
695 
696         List<RenderFilter> renderFilters = _renderFiltersMap.get(portletId);
697 
698         invoke(
699             portletRequest, portletResponse, PortletRequest.RENDER_PHASE,
700             renderFilters);
701 
702         RenderResponseImpl renderResponseImpl =
703             (RenderResponseImpl)renderResponse;
704 
705         return renderResponseImpl.getTitle();
706     }
707 
708     protected void invokeResource(
709             ResourceRequest resourceRequest, ResourceResponse resourceResponse)
710         throws IOException, PortletException {
711 
712         LiferayPortletRequest portletRequest =
713             (LiferayPortletRequest)resourceRequest;
714         LiferayPortletResponse portletResponse =
715             (LiferayPortletResponse)resourceResponse;
716 
717         String portletId = _getPortletId(portletResponse);
718 
719         List<ResourceFilter> resourceFilters = _resourceFiltersMap.get(
720             portletId);
721 
722         invoke(
723             portletRequest, portletResponse, PortletRequest.RESOURCE_PHASE,
724             resourceFilters);
725     }
726 
727     protected void removePortletFilters() {
728         _actionFiltersMap.remove(_portletId);
729         _eventFiltersMap.remove(_portletId);
730         _renderFiltersMap.remove(_portletId);
731         _resourceFiltersMap.remove(_portletId);
732     }
733 
734     private String _getPortletId(LiferayPortletResponse portletResponse) {
735         PortletResponseImpl portletResponseImpl =
736             (PortletResponseImpl)portletResponse;
737 
738         com.liferay.portal.model.Portlet portlet =
739             portletResponseImpl.getPortlet();
740 
741         return portlet.getPortletId();
742     }
743 
744     private static Log _log = LogFactoryUtil.getLog(InvokerPortletImpl.class);
745 
746     private com.liferay.portal.model.Portlet _portletModel;
747     private String _portletId;
748     private Portlet _portlet;
749     private PortletConfigImpl _portletConfigImpl;
750     private PortletContextImpl _portletContextImpl;
751     private Integer _expCache;
752     private boolean _destroyable;
753     private boolean _facesPortlet;
754     private boolean _strutsPortlet;
755     private boolean _strutsBridgePortlet;
756     private Map<String, List<ActionFilter>> _actionFiltersMap =
757         new HashMap<String, List<ActionFilter>>();
758     private Map<String, List<EventFilter>> _eventFiltersMap =
759         new HashMap<String, List<EventFilter>>();
760     private Map<String, List<RenderFilter>> _renderFiltersMap =
761         new HashMap<String, List<RenderFilter>>();
762     private Map<String, List<ResourceFilter>> _resourceFiltersMap =
763         new HashMap<String, List<ResourceFilter>>();
764 
765 }