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1
9 package org.jboss.portlet;
10
11 import org.jboss.portal.format.util.EntityTable;
12
13 import java.io.IOException  ;
14 import java.io.PrintWriter ;
15 import java.lang.reflect.InvocationTargetException ;
16 import java.lang.reflect.Method ;
17 import java.lang.reflect.Modifier ;
18 import java.util.Enumeration ;
19 import java.util.Locale ;
20 import java.util.ResourceBundle ;
21 import java.util.Iterator ;
22 import java.util.Map ;
23
24 import javax.portlet.ActionRequest;
25 import javax.portlet.ActionResponse;
26 import javax.portlet.Portlet;
27 import javax.portlet.PortletConfig;
28 import javax.portlet.PortletContext;
29 import javax.portlet.PortletException;
30 import javax.portlet.PortletMode;
31 import javax.portlet.PortletSecurityException;
32 import javax.portlet.RenderRequest;
33 import javax.portlet.RenderResponse;
34 import javax.portlet.WindowState;
35 import javax.portlet.PortletPreferences;
36 import javax.portlet.PortletURL;
37
38
44 public class JBossPortlet implements Portlet
45 {
46
47 private static final Class [] ACTION_LOOKUP = new Class []{JBossActionRequest.class,JBossActionResponse.class};
48
49
50 private PortletConfig config;
51
52 public JBossPortlet()
53 {
54 }
55
56
59 public String getDefaultOperation()
60 {
61 return "main";
62 }
63
64
67 public String getOperationName()
68 {
69 return "op";
70 }
71
72 public void init() throws PortletException
73 {
74 }
75
76 public PortletConfig getPortletConfig()
77 {
78 return config;
79 }
80
81 public String getPortletName()
82 {
83 return config.getPortletName();
84 }
85
86 public PortletContext getPortletContext()
87 {
88 return config.getPortletContext();
89 }
90
91
94 protected void processAction(JBossActionRequest req, JBossActionResponse resp) throws PortletException, PortletSecurityException, IOException
95 {
96 doDispatch((JBossActionRequest)req,(JBossActionResponse)resp);
97 }
98
99
116 protected void doDispatch(JBossActionRequest req, JBossActionResponse resp) throws PortletException, PortletSecurityException, IOException
117 {
118 Method dispatcher = null;
119
120 String operation = req.getParameter(getOperationName());
122
123 if (operation != null)
125 {
126 dispatcher = lookupMethod(operation, ACTION_LOOKUP);
127 }
128
129 if (dispatcher == null)
131 {
132 dispatcher = lookupMethod(getDefaultOperation(), ACTION_LOOKUP);
133 }
134
135 if (dispatcher != null)
137 {
138 try
139 {
140 dispatcher.invoke(this, new Object []{req,resp});
141 }
142 catch (IllegalAccessException e)
143 {
144 throw new PortletException(e);
145 }
146 catch (InvocationTargetException e)
147 {
148 Throwable t = e.getCause();
149 if (t instanceof PortletException)
150 {
151 throw (PortletException)t;
152 }
153 else if (t instanceof IOException )
154 {
155 throw (IOException )t;
156 }
157 else if (t instanceof RuntimeException )
158 {
159 throw (RuntimeException )t;
160 }
161 else if (t instanceof Error )
162 {
163 throw (Error )t;
164 }
165 else
166 {
167 throw new PortletException("Unexpected exception when dispatching the operation", e);
168 }
169 }
170 }
171 else
172 {
173 throw new PortletException("Nothing to invoke");
174 }
175 }
176
177
180 public void doEdit(JBossActionRequest req, JBossActionResponse resp) throws PortletException, PortletSecurityException, IOException
181 {
182 PortletPreferences prefs = req.getPreferences();
183 Map map = prefs.getMap();
184 for (Iterator i = req.getParameterMap().entrySet().iterator();i.hasNext();)
185 {
186 Map.Entry entry = (Map.Entry )i.next();
187 String name = (String )entry.getKey();
188 String [] values = (String [])entry.getValue();
189 if (map.containsKey(name))
190 {
191 prefs.setValues(name, values);
192 }
193 }
194 prefs.store();
195 }
196
197
198
201 protected void render(JBossRenderRequest req, JBossRenderResponse resp) throws PortletException, PortletSecurityException, IOException
202 {
203 resp.setTitle(getTitle(req));
204 doDispatch((JBossRenderRequest)req, (JBossRenderResponse)resp);
205 }
206
207
210 protected void doDispatch(JBossRenderRequest request, JBossRenderResponse response) throws PortletException, PortletSecurityException, IOException
211 {
212 if (!WindowState.MINIMIZED.equals(request.getWindowState()))
213 {
214 PortletMode portletMode = request.getPortletMode();
215 if (PortletMode.VIEW.equals(portletMode))
216 {
217 doView(request, response);
218 }
219 else if (PortletMode.HELP.equals(portletMode))
220 {
221 doHelp(request, response);
222 }
223 else if (PortletMode.EDIT.equals(portletMode))
224 {
225 doEdit(request, response);
226 }
227 }
228 }
229
230
233 protected void doView(JBossRenderRequest request, JBossRenderResponse response) throws PortletException, PortletSecurityException, IOException
234 {
235 throw new PortletException();
236 }
237
238
241 protected void doHelp(JBossRenderRequest request, JBossRenderResponse response) throws PortletException, PortletSecurityException, IOException
242 {
243 throw new PortletException();
244 }
245
246
249 protected void doEdit(JBossRenderRequest request, JBossRenderResponse response) throws PortletException, PortletSecurityException, IOException
250 {
251 response.setContentType("text/html");
252 PrintWriter writer = response.getWriter();
253
254 PortletURL url = response.createActionURL();
256 url.setParameter(getDefaultOperation(), "doEdit");
257
258 writer.print("<table> " +
260 "<tr><td class=\"portlet-section-alternate\">" + "Name" +
261 "</td><td class=\"portlet-section-alternate\">" + "Value" +
262 "</td></tr>" +
263 "<form action=\"");
264 writer.print(url.toString());
265 writer.print("\" method=\"post\">");
266
267 PortletPreferences prefs = request.getPreferences();
269 for (Iterator i = prefs.getMap().entrySet().iterator();i.hasNext();)
270 {
271 Map.Entry entry = (Map.Entry )i.next();
272 String name = (String )entry.getKey();
273 String [] values = (String [])entry.getValue();
274
275 name = EntityTable.FULL.convertEntities(name);
277 for (int j = 0; j < values.length; j++)
278 {
279 String value = values[j];
280 if (value != null)
281 {
282 values[j] = EntityTable.FULL.convertEntities(value);
283 }
284 }
285
286 writer.print("<tr><td class=\"portlet-section-body\">");
288 writer.print(name);
289 writer.print("</td><td class=\"portlet-section-body\">");
290 if (prefs.isReadOnly(name))
291 {
292 writer.print(name);
293 }
294 else
295 {
296 writer.print("<input class=\"portlet-form-input-field\" type=\"text\" name=\"");
297 writer.print(name);
298 writer.print("\" value=\"");
299 writer.print(values.length >= 1 ? values[0] : "");
300 writer.print("\"/>");
301 }
302 writer.print("</td></tr>");
303 }
304
305 writer.print("<tr><td colspan=\"2\" class=\"portlet-section-alternate\">" +
306 "<input class=\"portlet-form-button\" type=\"submit\" value=\"Save\"/>" +
307 "</td></tr>" +
308 "</form></table>");
309 }
310
311 public ResourceBundle getResourceBundle(Locale locale)
312 {
313 return getPortletConfig().getResourceBundle(locale);
314 }
315
316 protected String getTitle(RenderRequest request)
317 {
318 ResourceBundle bundle = getResourceBundle(request.getLocale());
319 return bundle.getString("javax.portlet.title");
320 }
321
322 public String getInitParameter(String name) throws IllegalArgumentException
323 {
324 return getPortletConfig().getInitParameter(name);
325 }
326
327 public Enumeration getInitParameterNames()
328 {
329 return getPortletConfig().getInitParameterNames();
330 }
331
332
334 public void init(PortletConfig config) throws PortletException
335 {
336 this.config = config;
337 init();
338 }
339
340 public void processAction(ActionRequest request, ActionResponse response) throws PortletException, PortletSecurityException, IOException
341 {
342 processAction((JBossActionRequest)request,(JBossActionResponse)response);
343 }
344
345 public void render(RenderRequest req, RenderResponse resp) throws PortletException, PortletSecurityException, IOException
346 {
347 render((JBossRenderRequest)req, (JBossRenderResponse)resp);
348 }
349
350 public void destroy()
351 {
352 }
353
354
356
359 private Method lookupMethod(String operation, Class [] parameterTypes)
360 {
361 try
362 {
363 Method m = getClass().getMethod(operation, parameterTypes);
364 if (m.getReturnType() == void.class &&
365 Modifier.isPublic(m.getModifiers()))
366 {
367 return m;
368 }
369 }
370 catch (NoSuchMethodException e)
371 {
372 }
374 return null;
375 }
376 }
377 |
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