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.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 (ClassUtil.isSubclass(
294                 _portlet.getClass(), PortletDeployer.JSF_MYFACES) ||
295             ClassUtil.isSubclass(
296                 _portlet.getClass(), PortletDeployer.JSF_STANDARD) ||
297             ClassUtil.isSubclass(
298                 _portlet.getClass(), PortletDeployer.JSF_SUN)) {
299 
300             _facesPortlet = true;
301         }
302 
303         _strutsPortlet = ClassUtil.isSubclass(
304             portlet.getClass(), StrutsPortlet.class);
305         _strutsBridgePortlet = ClassUtil.isSubclass(
306             portlet.getClass(),
307             "org.apache.portals.bridges.struts.StrutsPortlet");
308         _expCache = portletModel.getExpCache();
309         setPortletFilters();
310     }
311 
312     public void prepare(
313             com.liferay.portal.model.Portlet portletModel, Portlet portlet,
314             PortletConfig portletConfig, PortletContext portletContext,
315             boolean facesPortlet, boolean strutsPortlet,
316             boolean strutsBridgePortlet)
317         throws PortletException {
318 
319         // From prepare
320 
321         _portletModel = portletModel;
322         _portlet = portlet;
323         _portletId = _portletModel.getPortletId();
324         _portletContextImpl = (PortletContextImpl)portletContext;
325         _facesPortlet = facesPortlet;
326         _strutsPortlet = strutsPortlet;
327         _strutsBridgePortlet = strutsBridgePortlet;
328         _expCache = portletModel.getExpCache();
329         setPortletFilters();
330 
331         if (_log.isDebugEnabled()) {
332             _log.debug(
333                 "Create instance cache wrapper for " +
334                     _portletContextImpl.getPortlet().getPortletId());
335         }
336 
337         // From init
338 
339         _portletConfigImpl = (PortletConfigImpl)portletConfig;
340     }
341 
342     public void processAction(
343             ActionRequest actionRequest, ActionResponse actionResponse)
344         throws IOException {
345 
346         StopWatch stopWatch = null;
347 
348         if (_log.isDebugEnabled()) {
349             stopWatch = new StopWatch();
350 
351             stopWatch.start();
352         }
353 
354         try {
355             invokeAction(actionRequest, actionResponse);
356         }
357         catch (PortletException pe) {
358             actionRequest.setAttribute(
359                 _portletId + PortletException.class.getName(), pe);
360         }
361 
362         if (_log.isDebugEnabled()) {
363             _log.debug(
364                 "processAction for " + _portletId + " takes " +
365                     stopWatch.getTime() + " ms");
366         }
367     }
368 
369     public void processEvent(
370             EventRequest eventRequest, EventResponse eventResponse)
371         throws IOException, PortletException {
372 
373         StopWatch stopWatch = null;
374 
375         if (_log.isDebugEnabled()) {
376             stopWatch = new StopWatch();
377 
378             stopWatch.start();
379         }
380 
381         invokeEvent(eventRequest, eventResponse);
382 
383         if (_log.isDebugEnabled()) {
384             _log.debug(
385                 "processEvent for " + _portletId + " takes " +
386                     stopWatch.getTime() + " ms");
387         }
388     }
389 
390     public void render(
391             RenderRequest renderRequest, RenderResponse renderResponse)
392         throws IOException, PortletException {
393 
394         PortletException portletException =
395             (PortletException)renderRequest.getAttribute(
396                 _portletId + PortletException.class.getName());
397 
398         if (portletException != null) {
399             throw portletException;
400         }
401 
402         StopWatch stopWatch = null;
403 
404         if (_log.isDebugEnabled()) {
405             stopWatch = new StopWatch();
406 
407             stopWatch.start();
408         }
409 
410         String remoteUser = renderRequest.getRemoteUser();
411 
412         if ((remoteUser == null) || (_expCache == null) ||
413             (_expCache.intValue() == 0)) {
414 
415             invokeRender(renderRequest, renderResponse);
416         }
417         else {
418             RenderResponseImpl renderResponseImpl =
419                 (RenderResponseImpl)renderResponse;
420 
421             StringServletResponse stringResponse = (StringServletResponse)
422                 renderResponseImpl.getHttpServletResponse();
423 
424             PortletSession portletSession = renderRequest.getPortletSession();
425 
426             long now = System.currentTimeMillis();
427 
428             Layout layout = (Layout)renderRequest.getAttribute(WebKeys.LAYOUT);
429 
430             Map<String, InvokerPortletResponse> sessionResponses =
431                 getResponses(portletSession);
432 
433             String sessionResponseId = encodeResponseKey(
434                 layout.getPlid(), _portletId,
435                 LanguageUtil.getLanguageId(renderRequest));
436 
437             InvokerPortletResponse response = sessionResponses.get(
438                 sessionResponseId);
439 
440             if (response == null) {
441                 String title = invokeRender(renderRequest, renderResponse);
442 
443                 response = new InvokerPortletResponse(
444                     title, stringResponse.getString(),
445                     now + Time.SECOND * _expCache.intValue());
446 
447                 sessionResponses.put(sessionResponseId, response);
448             }
449             else if ((response.getTime() < now) &&
450                      (_expCache.intValue() > 0)) {
451 
452                 String title = invokeRender(renderRequest, renderResponse);
453 
454                 response.setTitle(title);
455                 response.setContent(stringResponse.getString());
456                 response.setTime(now + Time.SECOND * _expCache.intValue());
457             }
458             else {
459                 renderResponseImpl.setTitle(response.getTitle());
460                 stringResponse.getWriter().print(response.getContent());
461             }
462         }
463 
464         Map<String, String[]> properties =
465             ((RenderResponseImpl)renderResponse).getProperties();
466 
467         if (properties.containsKey("clear-request-parameters")) {
468             Map<String, String[]> renderParameters =
469                 ((RenderRequestImpl)renderRequest).getRenderParameters();
470 
471             renderParameters.clear();
472         }
473 
474         if (_log.isDebugEnabled()) {
475             _log.debug(
476                 "render for " + _portletId + " takes " + stopWatch.getTime() +
477                     " ms");
478         }
479     }
480 
481     public void serveResource(
482             ResourceRequest resourceRequest, ResourceResponse resourceResponse)
483         throws IOException {
484 
485         StopWatch stopWatch = null;
486 
487         if (_log.isDebugEnabled()) {
488             stopWatch = new StopWatch();
489 
490             stopWatch.start();
491         }
492 
493         try {
494             invokeResource(resourceRequest, resourceResponse);
495         }
496         catch (PortletException pe) {
497             resourceRequest.setAttribute(
498                 _portletId + PortletException.class.getName(), pe);
499         }
500 
501         if (_log.isDebugEnabled()) {
502             _log.debug(
503                 "serveResource for " + _portletId + " takes " +
504                     stopWatch.getTime() + " ms");
505         }
506     }
507 
508     public void setPortletFilters() throws PortletException {
509         removePortletFilters();
510 
511         Map<String, com.liferay.portal.model.PortletFilter> portletFilters =
512             _portletModel.getPortletFilters();
513 
514         for (Map.Entry<String, com.liferay.portal.model.PortletFilter> entry :
515                 portletFilters.entrySet()) {
516 
517             com.liferay.portal.model.PortletFilter portletFilterModel =
518                 entry.getValue();
519 
520             PortletFilter portletFilter = PortletFilterFactory.create(
521                 portletFilterModel, _portletContextImpl);
522 
523             Set<String> lifecycles = portletFilterModel.getLifecycles();
524 
525             if (lifecycles.contains(PortletRequest.ACTION_PHASE)) {
526                 List<ActionFilter> actionFilters = _actionFiltersMap.get(
527                     _portletId);
528 
529                 if (actionFilters == null) {
530                     actionFilters = new ArrayList<ActionFilter>();
531                 }
532 
533                 actionFilters.add((ActionFilter)portletFilter);
534 
535                 _actionFiltersMap.put(_portletId, actionFilters);
536             }
537 
538             if (lifecycles.contains(PortletRequest.EVENT_PHASE)) {
539                 List<EventFilter> eventFilters = _eventFiltersMap.get(
540                     _portletId);
541 
542                 if (eventFilters == null) {
543                     eventFilters = new ArrayList<EventFilter>();
544                 }
545 
546                 eventFilters.add((EventFilter)portletFilter);
547 
548                 _eventFiltersMap.put(_portletId, eventFilters);
549             }
550 
551             if (lifecycles.contains(PortletRequest.RENDER_PHASE)) {
552                 List<RenderFilter> renderFilters = _renderFiltersMap.get(
553                     _portletId);
554 
555                 if (renderFilters == null) {
556                     renderFilters = new ArrayList<RenderFilter>();
557                 }
558 
559                 renderFilters.add((RenderFilter)portletFilter);
560 
561                 _renderFiltersMap.put(_portletId, renderFilters);
562             }
563 
564             if (lifecycles.contains(PortletRequest.RESOURCE_PHASE)) {
565                 List<ResourceFilter> resourceFilters = _resourceFiltersMap.get(
566                     _portletId);
567 
568                 if (resourceFilters == null) {
569                     resourceFilters = new ArrayList<ResourceFilter>();
570                 }
571 
572                 resourceFilters.add((ResourceFilter)portletFilter);
573 
574                 _resourceFiltersMap.put(_portletId, resourceFilters);
575             }
576         }
577     }
578 
579     protected void invoke(
580             LiferayPortletRequest portletRequest,
581             LiferayPortletResponse portletResponse, String lifecycle,
582             List<? extends PortletFilter> filters)
583         throws IOException, PortletException {
584 
585         FilterChain filterChain = new FilterChainImpl(_portlet, filters);
586 
587         if (_portletConfigImpl.isWARFile()) {
588             String path =
589                 StringPool.SLASH + _portletConfigImpl.getPortletName() +
590                     "/invoke";
591 
592             RequestDispatcher requestDispatcher =
593                 _portletContextImpl.getServletContext().getRequestDispatcher(
594                     path);
595 
596             HttpServletRequest request = portletRequest.getHttpServletRequest();
597             HttpServletResponse response =
598                 portletResponse.getHttpServletResponse();
599 
600             request.setAttribute(JavaConstants.JAVAX_PORTLET_PORTLET, _portlet);
601             request.setAttribute(PortletRequest.LIFECYCLE_PHASE, lifecycle);
602             request.setAttribute(
603                 PortletServlet.PORTLET_SERVLET_FILTER_CHAIN, filterChain);
604 
605             try {
606 
607                 // Resource phase must be a forward because includes do not
608                 // allow you to specify the content type or headers
609 
610                 if (lifecycle.equals(PortletRequest.RESOURCE_PHASE)) {
611                     requestDispatcher.forward(request, response);
612                 }
613                 else {
614                     requestDispatcher.include(request, response);
615                 }
616             }
617             catch (ServletException se) {
618                 Throwable cause = se.getRootCause();
619 
620                 if (cause instanceof PortletException) {
621                     throw (PortletException)cause;
622                 }
623 
624                 throw new PortletException(cause);
625             }
626         }
627         else {
628             PortletFilterUtil.doFilter(
629                 portletRequest, portletResponse, lifecycle, filterChain);
630         }
631 
632         Map<String, String[]> properties = portletResponse.getProperties();
633 
634         if ((properties != null) && (properties.size() > 0)) {
635             if (_expCache != null) {
636                 String[] expCache = properties.get(
637                     RenderResponse.EXPIRATION_CACHE);
638 
639                 if ((expCache != null) && (expCache.length > 0) &&
640                     (expCache[0] != null)) {
641 
642                     _expCache = new Integer(GetterUtil.getInteger(expCache[0]));
643                 }
644             }
645         }
646     }
647 
648     protected void invokeAction(
649             ActionRequest actionRequest, ActionResponse actionResponse)
650         throws IOException, PortletException {
651 
652         LiferayPortletRequest portletRequest =
653             (LiferayPortletRequest)actionRequest;
654         LiferayPortletResponse portletResponse =
655             (LiferayPortletResponse)actionResponse;
656 
657         String portletId = _getPortletId(portletResponse);
658 
659         List<ActionFilter> actionFilters = _actionFiltersMap.get(portletId);
660 
661         invoke(
662             portletRequest, portletResponse, PortletRequest.ACTION_PHASE,
663             actionFilters);
664     }
665 
666     protected void invokeEvent(
667             EventRequest eventRequest, EventResponse eventResponse)
668         throws IOException, PortletException {
669 
670         LiferayPortletRequest portletRequest =
671             (LiferayPortletRequest)eventRequest;
672         LiferayPortletResponse portletResponse =
673             (LiferayPortletResponse)eventResponse;
674 
675         String portletId = _getPortletId(portletResponse);
676 
677         List<EventFilter> eventFilters = _eventFiltersMap.get(portletId);
678 
679         invoke(
680             portletRequest, portletResponse, PortletRequest.EVENT_PHASE,
681             eventFilters);
682     }
683 
684     protected String invokeRender(
685             RenderRequest renderRequest, RenderResponse renderResponse)
686         throws IOException, PortletException {
687 
688         LiferayPortletRequest portletRequest =
689             (LiferayPortletRequest)renderRequest;
690         LiferayPortletResponse portletResponse =
691             (LiferayPortletResponse)renderResponse;
692 
693         String portletId = _getPortletId(portletResponse);
694 
695         List<RenderFilter> renderFilters = _renderFiltersMap.get(portletId);
696 
697         invoke(
698             portletRequest, portletResponse, PortletRequest.RENDER_PHASE,
699             renderFilters);
700 
701         RenderResponseImpl renderResponseImpl =
702             (RenderResponseImpl)renderResponse;
703 
704         return renderResponseImpl.getTitle();
705     }
706 
707     protected void invokeResource(
708             ResourceRequest resourceRequest, ResourceResponse resourceResponse)
709         throws IOException, PortletException {
710 
711         LiferayPortletRequest portletRequest =
712             (LiferayPortletRequest)resourceRequest;
713         LiferayPortletResponse portletResponse =
714             (LiferayPortletResponse)resourceResponse;
715 
716         String portletId = _getPortletId(portletResponse);
717 
718         List<ResourceFilter> resourceFilters = _resourceFiltersMap.get(
719             portletId);
720 
721         invoke(
722             portletRequest, portletResponse, PortletRequest.RESOURCE_PHASE,
723             resourceFilters);
724     }
725 
726     protected void removePortletFilters() {
727         _actionFiltersMap.remove(_portletId);
728         _eventFiltersMap.remove(_portletId);
729         _renderFiltersMap.remove(_portletId);
730         _resourceFiltersMap.remove(_portletId);
731     }
732 
733     private String _getPortletId(LiferayPortletResponse portletResponse) {
734         PortletResponseImpl portletResponseImpl =
735             (PortletResponseImpl)portletResponse;
736 
737         com.liferay.portal.model.Portlet portlet =
738             portletResponseImpl.getPortlet();
739 
740         return portlet.getPortletId();
741     }
742 
743     private static Log _log = LogFactoryUtil.getLog(InvokerPortletImpl.class);
744 
745     private com.liferay.portal.model.Portlet _portletModel;
746     private String _portletId;
747     private Portlet _portlet;
748     private PortletConfigImpl _portletConfigImpl;
749     private PortletContextImpl _portletContextImpl;
750     private Integer _expCache;
751     private boolean _destroyable;
752     private boolean _facesPortlet;
753     private boolean _strutsPortlet;
754     private boolean _strutsBridgePortlet;
755     private Map<String, List<ActionFilter>> _actionFiltersMap =
756         new HashMap<String, List<ActionFilter>>();
757     private Map<String, List<EventFilter>> _eventFiltersMap =
758         new HashMap<String, List<EventFilter>>();
759     private Map<String, List<RenderFilter>> _renderFiltersMap =
760         new HashMap<String, List<RenderFilter>>();
761     private Map<String, List<ResourceFilter>> _resourceFiltersMap =
762         new HashMap<String, List<ResourceFilter>>();
763 
764 }