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org.apache.jetspeed.portlet.PortletObjectProxy$1	0%	0%

1		/*
2		* Licensed to the Apache Software Foundation (ASF) under one or more
3		* contributor license agreements. See the NOTICE file distributed with
4		* this work for additional information regarding copyright ownership.
5		* The ASF licenses this file to You under the Apache License, Version 2.0
6		* (the "License"); you may not use this file except in compliance with
7		* the License. You may obtain a copy of the License at
8		*
9		* http://www.apache.org/licenses/LICENSE-2.0
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*/
17		package org.apache.jetspeed.portlet;
18
19		import java.lang.reflect.InvocationHandler;
20		import java.lang.reflect.InvocationTargetException;
21		import java.lang.reflect.Method;
22		import java.lang.reflect.Proxy;
23		import java.lang.reflect.Modifier;
24
25		import java.io.IOException;
26
27		import javax.portlet.Portlet;
28		import javax.portlet.GenericPortlet;
29		import javax.portlet.PortletConfig;
30		import javax.portlet.PortletException;
31		import javax.portlet.PortletMode;
32		import javax.portlet.WindowState;
33		import javax.portlet.ActionRequest;
34		import javax.portlet.ActionResponse;
35		import javax.portlet.RenderRequest;
36		import javax.portlet.RenderResponse;
37
38		import org.apache.pluto.om.portlet.PortletDefinition;
39		import org.apache.pluto.om.portlet.ContentTypeSet;
40
41		import org.apache.jetspeed.JetspeedActions;
42		import org.apache.jetspeed.portlet.SupportsHeaderPhase;
43		import org.apache.jetspeed.util.BaseObjectProxy;
44		import org.apache.jetspeed.container.JetspeedPortletConfig;
45
46		import javax.servlet.ServletConfig;
47		import javax.servlet.ServletContext;
48		import javax.portlet.UnavailableException;
49		import org.apache.jetspeed.Jetspeed;
50		import org.apache.jetspeed.components.portletregistry.PortletRegistry;
51		import org.apache.jetspeed.om.common.portlet.PortletDefinitionComposite;
52		import org.apache.jetspeed.om.common.portlet.MutablePortletApplication;
53		import org.apache.pluto.om.servlet.WebApplicationDefinition;
54		import org.apache.jetspeed.factory.PortletFactory;
55		import org.apache.jetspeed.factory.PortletInstance;
56
57		/**
58		* PortletObjectProxy
59		*
60		* @author <a href="mailto:woonsan@apache.org">Woonsan Ko</a>
61		* @version $Id: PortletObjectProxy.java 516448 2007-03-09 16:25:47Z ate $
62		*/
63		public class PortletObjectProxy extends BaseObjectProxy
64		{
65
66		private static ThreadLocal tlPortletObjectProxied =
67		new ThreadLocal() {
68	0	protected synchronized Object initialValue() {
69	0	return new boolean [] { false };
70		}
71		};
72
73		public static void setPortletObjectProxied(boolean portletObjectProxied)
74		{
75		((boolean []) tlPortletObjectProxied.get())[0] = portletObjectProxied;
76		}
77
78		public static boolean isPortletObjectProxied()
79		{
80		return ((boolean []) tlPortletObjectProxied.get())[0];
81		}
82
83		private static Method renderMethod;
84		private static Method processActionMethod;
85
86		static
87		{
88		try
89		{
90		renderMethod = Portlet.class.getMethod("render", new Class [] { RenderRequest.class, RenderResponse.class });
91		processActionMethod = Portlet.class.getMethod("processAction", new Class [] { ActionRequest.class, ActionResponse.class });
92		}
93		catch (NoSuchMethodException e)
94		{
95		throw new NoSuchMethodError(e.getMessage());
96		}
97		}
98
99		private Object portletObject;
100		private PortletInstance customConfigModePortletInstance;
101		private boolean genericPortletInvocable;
102		private Method portletDoEditMethod;
103		private ContentTypeSet portletContentTypeSet;
104		private boolean autoSwitchEditDefaultsModeToEditMode;
105		private boolean autoSwitchConfigMode;
106		private String customConfigModePortletUniqueName;
107
108		public static Object createProxy(Object proxiedObject, boolean autoSwitchEditDefaultsModeToEditMode, class="keyword">boolean autoSwitchConfigMode, String customConfigModePortletUniqueName)
109		{
110		Class proxiedClass = proxiedObject.getClass();
111		ClassLoader classLoader = proxiedClass.getClassLoader();
112		Class [] proxyInterfaces = null;
113
114		if (proxiedObject instanceof SupportsHeaderPhase)
115		{
116		proxyInterfaces = new Class [] { Portlet.class, SupportsHeaderPhase.class };
117		}
118		else
119		{
120		proxyInterfaces = new Class [] { Portlet.class };
121		}
122
123		InvocationHandler handler = new PortletObjectProxy(proxiedObject, autoSwitchEditDefaultsModeToEditMode, autoSwitchConfigMode, customConfigModePortletUniqueName);
124		return Proxy.newProxyInstance(classLoader, proxyInterfaces, handler);
125		}
126
127		private PortletObjectProxy(Object portletObject, boolean autoSwitchEditDefaultsModeToEditMode, class="keyword">boolean autoSwitchConfigMode, String customConfigModePortletUniqueName)
128		{
129		this.portletObject = portletObject;
130		this.autoSwitchEditDefaultsModeToEditMode = autoSwitchEditDefaultsModeToEditMode;
131		this.autoSwitchConfigMode = autoSwitchConfigMode;
132		this.customConfigModePortletUniqueName = customConfigModePortletUniqueName;
133
134		if (portletObject instanceof GenericPortlet)
135		{
136		try
137		{
138		this.portletDoEditMethod = class="keyword">this.portletObject.getClass().getMethod("doEdit", new Class [] { RenderRequest.class, RenderResponse.class });
139
140		if (Modclass="keyword">ifier.isPublic(this.portletDoEditMethod.getModclass="keyword">ifiers()))
141		{
142		this.genericPortletInvocable = true;
143		}
144		}
145		catch (NoSuchMethodException e)
146		{
147		}
148		}
149		}
150
151		public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
152		{
153		Object result = null;
154		boolean handledHere = false;
155		Class declaringClass = method.getDeclaringClass();
156
157		if (declaringClass == Portlet.class)
158		{
159		if (renderMethod.equals(method))
160		{
161		proxyRender((RenderRequest) args[0], (RenderResponse) args[1]);
162		return null;
163		}
164		else if (processActionMethod.equals(method))
165		{
166		proxyProcessAction((ActionRequest) args[0], (ActionResponse) args[1]);
167		}
168		else
169		{
170		result = method.invoke(this.portletObject, args);
171		}
172		}
173		else if (declaringClass == SupportsHeaderPhase.class)
174		{
175		result = method.invoke(this.portletObject, args);
176		}
177		else
178		{
179		result = super.invoke(proxy, method, args);
180		}
181
182		return result;
183		}
184
185		protected void proxyRender(RenderRequest request, RenderResponse response) throws PortletException, IOException, Exception
186		{
187		PortletMode mode = request.getPortletMode();
188
189		boolean autoSwitchConfigMode = false;
190		boolean autoSwitchToEditMode = false;
191
192		if (this.autoSwitchConfigMode && JetspeedActions.CONFIG_MODE.equals(mode))
193		{
194		autoSwitchConfigMode = true;
195		}
196
197		if (this.autoSwitchEditDefaultsModeToEditMode && class="keyword">this.genericPortletInvocable)
198		{
199		if (JetspeedActions.EDIT_DEFAULTS_MODE.equals(mode))
200		{
201		if (!isSupportingEditDefaultsMode((GenericPortlet) this.portletObject))
202		{
203		autoSwitchToEditMode = true;
204		}
205		}
206		}
207
208		if (autoSwitchConfigMode)
209		{
210		try
211		{
212		if (this.customConfigModePortletInstance == null)
213		{
214		refreshCustomConfigModePortletInstance();
215		}
216
217		this.customConfigModePortletInstance.render(request, response);
218		}
219		catch (UnavailableException e)
220		{
221		refreshCustomConfigModePortletInstance();
222		this.customConfigModePortletInstance.render(request, response);
223		}
224		}
225		else if (autoSwitchToEditMode)
226		{
227		GenericPortlet genericPortlet = (GenericPortlet) this.portletObject;
228
229		// Override GenericPortlet#render....
230		WindowState state = request.getWindowState();
231
232		if (!WindowState.MINIMIZED.equals(state))
233		{
234		String title = genericPortlet.getPortletConfig().getResourceBundle(request.getLocale()).getString("javax.portlet.title");
235		response.setTitle(title);
236
237		this.portletDoEditMethod.invoke(genericPortlet, new Object [] { request, response });
238		}
239		}
240		else
241		{
242		((Portlet) this.portletObject).render(request, response);
243		}
244		}
245
246		protected void proxyProcessAction(ActionRequest request, ActionResponse response) throws PortletException, IOException, Exception
247		{
248		PortletMode mode = request.getPortletMode();
249
250		boolean autoSwitchConfigMode = false;
251
252		if (this.autoSwitchConfigMode && JetspeedActions.CONFIG_MODE.equals(mode))
253		{
254		autoSwitchConfigMode = true;
255		}
256
257		if (autoSwitchConfigMode)
258		{
259		try
260		{
261		if (this.customConfigModePortletInstance == null)
262		{
263		refreshCustomConfigModePortletInstance();
264		}
265
266		this.customConfigModePortletInstance.processAction(request, response);
267		}
268		catch (UnavailableException e)
269		{
270		refreshCustomConfigModePortletInstance();
271		this.customConfigModePortletInstance.processAction(request, response);
272		}
273		}
274		else
275		{
276		((Portlet) this.portletObject).processAction(request, response);
277		}
278		}
279
280		private boolean isSupportingEditDefaultsMode(GenericPortlet portlet)
281		{
282		if (this.portletContentTypeSet == null)
283		{
284		try
285		{
286		JetspeedPortletConfig config = (JetspeedPortletConfig) portlet.getPortletConfig();
287		PortletDefinition portletDef = config.getPortletDefinition();
288		this.portletContentTypeSet = portletDef.getContentTypeSet();
289		}
290		catch (Exception e)
291		{
292		}
293		}
294
295		if (this.portletContentTypeSet != null)
296		{
297		return this.portletContentTypeSet.supportsPortletMode(JetspeedActions.EDIT_DEFAULTS_MODE);
298		}
299
300		return false;
301		}
302
303		private void refreshCustomConfigModePortletInstance()
304		{
305		try
306		{
307		PortletRegistry registry = (PortletRegistry) Jetspeed.getComponentManager().getComponent("portletRegistry");
308		PortletFactory portletFactory = (PortletFactory) Jetspeed.getComponentManager().getComponent("portletFactory");
309		ServletContext portalAppContext = ((ServletConfig) Jetspeed.getComponentManager().getComponent("ServletConfig")).getServletContext();
310
311		PortletDefinitionComposite portletDef = (PortletDefinitionComposite) registry.getPortletDefinitionByUniqueName(this.customConfigModePortletUniqueName);
312		MutablePortletApplication portletApp = (MutablePortletApplication) portletDef.getPortletApplicationDefinition();
313		WebApplicationDefinition webAppDef = portletApp.getWebApplicationDefinition();
314		String portletAppName = webAppDef.getContextRoot();
315		ServletContext portletAppContext = portalAppContext.getContext(portletAppName);
316
317		setPortletObjectProxied(true);
318		this.customConfigModePortletInstance = portletFactory.getPortletInstance(portletAppContext, portletDef);
319		}
320		catch (Exception e)
321		{
322		}
323		finally
324		{
325		setPortletObjectProxied(false);
326		}
327		}
328
329		}

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