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16 package org.apache.cocoon.portal.wsrp.adapter;
17
18 import java.util.HashMap  ;
19 import java.util.Map ;
20
21 import javax.servlet.ServletConfig ;
22
23 import oasis.names.tc.wsrp.v1.types.LocalizedString;
24
25 import org.apache.avalon.framework.context.Context;
26 import org.apache.avalon.framework.context.ContextException;
27 import org.apache.avalon.framework.context.Contextualizable;
28 import org.apache.avalon.framework.parameters.ParameterException;
29 import org.apache.avalon.framework.parameters.Parameters;
30 import org.apache.cocoon.portal.LinkService;
31 import org.apache.cocoon.portal.PortalService;
32 import org.apache.cocoon.portal.coplet.CopletInstanceData;
33 import org.apache.cocoon.portal.event.Event;
34 import org.apache.cocoon.portal.event.impl.ChangeCopletInstanceAspectDataEvent;
35 import org.apache.cocoon.portal.layout.Layout;
36 import org.apache.cocoon.portal.layout.impl.CopletLayout;
37 import org.apache.cocoon.portal.layout.renderer.aspect.RendererAspectContext;
38 import org.apache.cocoon.portal.layout.renderer.aspect.impl.AbstractAspect;
39 import org.apache.cocoon.portal.wsrp.consumer.ConsumerEnvironmentImpl;
40 import org.apache.cocoon.portal.wsrp.consumer.SimplePortletWindowSession;
41 import org.apache.cocoon.servlet.CocoonServlet;
42 import org.apache.cocoon.xml.XMLUtils;
43 import org.apache.commons.lang.ArrayUtils;
44 import org.apache.wsrp4j.consumer.PortletKey;
45 import org.apache.wsrp4j.consumer.URLGenerator;
46 import org.apache.wsrp4j.consumer.User;
47 import org.apache.wsrp4j.consumer.WSRPPortlet;
48 import org.apache.wsrp4j.exception.WSRPException;
49 import org.apache.wsrp4j.util.Constants;
50 import org.apache.wsrp4j.util.Modes;
51 import org.apache.wsrp4j.util.WindowStates;
52 import org.xml.sax.ContentHandler ;
53 import org.xml.sax.SAXException ;
54
55
90 public final class WSRPPortletWindowAspect
91 extends AbstractAspect
92 implements Contextualizable {
93
94
95 protected ConsumerEnvironmentImpl environment;
96
97
98 protected WSRPAdapter adapter;
99
100
103 public void contextualize(Context context) throws ContextException {
104 try {
105 ServletConfig servletConfig = (ServletConfig ) context.get(CocoonServlet.CONTEXT_SERVLET_CONFIG);
107 this.adapter = (WSRPAdapter)servletConfig.getServletContext().getAttribute(WSRPAdapter.class.getName());
108 if ( this.adapter != null ) {
109 this.environment = this.adapter.getConsumerEnvironment();
110 }
111 } catch (ContextException ignore) {
112 this.getLogger().warn("The wsrp support is disabled as the servlet context is not available.", ignore);
116 }
117 }
118
119
122 public void toSAX(RendererAspectContext context,
123 Layout layout,
124 PortalService service,
125 ContentHandler contenthandler)
126 throws SAXException {
127 final PreparedConfiguration config = (PreparedConfiguration)context.getAspectConfiguration();
128 final CopletInstanceData copletInstanceData = ((CopletLayout)layout).getCopletInstanceData();
129
130 if ( config.rootTag ) {
131 XMLUtils.startElement(contenthandler, config.tagName);
132 }
133 final PortletKey portletKey = (PortletKey)copletInstanceData.getTemporaryAttribute(WSRPAdapter.ATTRIBUTE_NAME_PORTLET_KEY);
134
135 if ( portletKey == null ) {
136 XMLUtils.createElement(contenthandler, "title", copletInstanceData.getTitle());
138 } else {
139 copletInstanceData.setTemporaryAttribute(WSRPAdapter.ATTRIBUTE_NAME_LAYOUT, layout);
140 LocalizedString localizedTitle = (LocalizedString)copletInstanceData.getTemporaryAttribute(WSRPAdapter.ATTRIBUTE_NAME_PORTLET_TITLE);
141 String title;
142 if ( localizedTitle == null ) {
143 title = copletInstanceData.getTitle();
144 } else {
145 title = localizedTitle.getValue();
146 }
147 XMLUtils.createElement(contenthandler, "title", title);
148
149 final String portletInstanceKey = (String )copletInstanceData.getTemporaryAttribute(WSRPAdapter.ATTRIBUTE_NAME_PORTLET_INSTANCE_KEY);
150 final User user = (User)copletInstanceData.getTemporaryAttribute(WSRPAdapter.ATTRIBUTE_NAME_USER);
151
152 final WSRPPortlet portlet = this.environment.getPortletRegistry().getPortlet(portletKey);
153 try {
154 SimplePortletWindowSession windowSession = this.adapter.getSimplePortletWindowSession(portlet, portletInstanceKey, user);
155 if ( this.environment != null && windowSession != null ) {
156 this.adapter.setCurrentCopletInstanceData(copletInstanceData);
157 URLGenerator urlGenerator = this.environment.getURLGenerator();
158
159 String [] supportedWindowStates = (String [])copletInstanceData.getTemporaryAttribute(WSRPAdapter.ATTRIBUTE_NAME_PORTLET_WINDOWSTATES);
160 String ws = windowSession.getWindowState();
161 if ( ws == null ) {
162 ws = WindowStates._normal;
163 }
164
165 if ( !ws.equals(WindowStates._minimized)
166 && ArrayUtils.contains(supportedWindowStates, WindowStates._minimized)) {
167 final Map p = new HashMap ();
168 p.put(Constants.URL_TYPE, Constants.URL_TYPE_RENDER);
169 p.put(Constants.WINDOW_STATE, WindowStates._minimized);
170
171 final String link = urlGenerator.getRenderURL(p);
172 XMLUtils.createElement(contenthandler, "minimize-uri", link);
173 }
174 if ( !ws.equals(WindowStates._normal)
175 && ArrayUtils.contains(supportedWindowStates, WindowStates._normal)) {
176 final Map p = new HashMap ();
177 p.put(Constants.URL_TYPE, Constants.URL_TYPE_RENDER);
178 p.put(Constants.WINDOW_STATE, WindowStates._normal);
179
180 final String link = urlGenerator.getRenderURL(p);
181 XMLUtils.createElement(contenthandler, "maximize-uri", link);
182 }
183 if ( !ws.equals(WindowStates._maximized)
184 && ArrayUtils.contains(supportedWindowStates, WindowStates._maximized)) {
185 final Map p = new HashMap ();
186 p.put(Constants.URL_TYPE, Constants.URL_TYPE_RENDER);
187 p.put(Constants.WINDOW_STATE, WindowStates._maximized);
188
189 final String link = urlGenerator.getRenderURL(p);
190 XMLUtils.createElement(contenthandler, "fullscreen-uri", link);
191 }
192
193 String [] supportedModes = (String [])copletInstanceData.getTemporaryAttribute(WSRPAdapter.ATTRIBUTE_NAME_PORTLET_MODES);
194 String pm = windowSession.getMode();
195 if ( pm == null ) {
196 pm = Modes._view;
197 }
198 if ( !pm.equals(Modes._edit)
199 && ArrayUtils.contains(supportedModes, Modes._edit) ) {
200 final Map p = new HashMap ();
201 p.put(Constants.URL_TYPE, Constants.URL_TYPE_RENDER);
202 p.put(Constants.PORTLET_MODE, Modes._edit);
203
204 final String link = urlGenerator.getRenderURL(p);
205 XMLUtils.createElement(contenthandler, "edit-uri", link);
206 }
207 if ( !pm.equals(Modes._help)
208 && ArrayUtils.contains(supportedModes, Modes._help) ) {
209 final Map p = new HashMap ();
210 p.put(Constants.URL_TYPE, Constants.URL_TYPE_RENDER);
211 p.put(Constants.PORTLET_MODE, Modes._help);
212
213 final String link = urlGenerator.getRenderURL(p);
214 XMLUtils.createElement(contenthandler, "help-uri", link);
215 }
216 if ( !pm.equals(Modes._view)
217 && ArrayUtils.contains(supportedModes, Modes._view) ) {
218 final Map p = new HashMap ();
219 p.put(Constants.URL_TYPE, Constants.URL_TYPE_RENDER);
220 p.put(Constants.PORTLET_MODE, Modes._view);
221
222 final String link = urlGenerator.getRenderURL(p);
223 XMLUtils.createElement(contenthandler, "view-uri", link);
224 }
225 }
226 } catch (WSRPException ignore) {
227 } finally {
229 this.adapter.setCurrentCopletInstanceData(null);
230 }
231
232 }
233
234 context.invokeNext( layout, service, contenthandler );
235
236 if ( config.rootTag ) {
237 XMLUtils.endElement(contenthandler, config.tagName);
238 }
239 }
240
241
249 protected static class PreparedConfiguration {
250
251
252 public String tagName;
253
254
255 public boolean rootTag;
256
257
262 public void takeValues(PreparedConfiguration from) {
263 this.tagName = from.tagName;
264 this.rootTag = from.rootTag;
265 }
266 }
267
268
271 public Object prepareConfiguration(Parameters configuration)
272 throws ParameterException {
273 PreparedConfiguration pc = new PreparedConfiguration();
274 pc.tagName = configuration.getParameter("tag-name", "window");
275 pc.rootTag = configuration.getParameterAsBoolean("root-tag", true);
276 return pc;
277 }
278
279
289 protected String createLink(LinkService linkService,
290 URLGenerator urlGenerator,
291 CopletInstanceData cid,
292 WindowStates windowStates,
293 Integer size) {
294 ChangeCopletInstanceAspectDataEvent event;
295 event = new ChangeCopletInstanceAspectDataEvent(cid, "size", size);
296
297 return this.createLink(linkService, urlGenerator, cid, windowStates, event);
298 }
299
300
310 protected String createLink(LinkService linkService,
311 URLGenerator urlGenerator,
312 CopletInstanceData cid,
313 WindowStates windowStates,
314 Event event) {
315 final Map p = new HashMap ();
317 p.put(Constants.URL_TYPE, Constants.URL_TYPE_RENDER);
318 p.put(Constants.WINDOW_STATE, windowStates.getValue());
319 final String wsrpLink = urlGenerator.getRenderURL(p);
320
321 String link_event = linkService.getLinkURI(event);
322 int pos = link_event.indexOf('?');
323
324 return wsrpLink + link_event.substring(pos+1);
325 }
326 }
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