Expose new posts and replies from the notifications.
[Sone.git] / src / main / java / net / pterodactylus / sone / web / WebInterface.java
1 /*
2  * FreenetSone - WebInterface.java - Copyright © 2010 David Roden
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17
18 package net.pterodactylus.sone.web;
19
20 import java.io.InputStream;
21 import java.io.InputStreamReader;
22 import java.io.Reader;
23 import java.io.UnsupportedEncodingException;
24 import java.util.ArrayList;
25 import java.util.Collection;
26 import java.util.HashSet;
27 import java.util.List;
28 import java.util.Set;
29 import java.util.logging.Level;
30 import java.util.logging.Logger;
31
32 import net.pterodactylus.sone.core.Core;
33 import net.pterodactylus.sone.core.CoreListener;
34 import net.pterodactylus.sone.data.Post;
35 import net.pterodactylus.sone.data.Reply;
36 import net.pterodactylus.sone.data.Sone;
37 import net.pterodactylus.sone.freenet.L10nFilter;
38 import net.pterodactylus.sone.freenet.wot.Identity;
39 import net.pterodactylus.sone.main.SonePlugin;
40 import net.pterodactylus.sone.notify.ListNotification;
41 import net.pterodactylus.sone.template.CollectionAccessor;
42 import net.pterodactylus.sone.template.CssClassNameFilter;
43 import net.pterodactylus.sone.template.GetPagePlugin;
44 import net.pterodactylus.sone.template.IdentityAccessor;
45 import net.pterodactylus.sone.template.NotificationManagerAccessor;
46 import net.pterodactylus.sone.template.PostAccessor;
47 import net.pterodactylus.sone.template.ReplyAccessor;
48 import net.pterodactylus.sone.template.RequestChangeFilter;
49 import net.pterodactylus.sone.template.SoneAccessor;
50 import net.pterodactylus.sone.template.SubstringFilter;
51 import net.pterodactylus.sone.web.ajax.CreateReplyAjaxPage;
52 import net.pterodactylus.sone.web.ajax.DeletePostAjaxPage;
53 import net.pterodactylus.sone.web.ajax.DeleteReplyAjaxPage;
54 import net.pterodactylus.sone.web.ajax.DismissNotificationAjaxPage;
55 import net.pterodactylus.sone.web.ajax.FollowSoneAjaxPage;
56 import net.pterodactylus.sone.web.ajax.GetLikesAjaxPage;
57 import net.pterodactylus.sone.web.ajax.GetReplyAjaxPage;
58 import net.pterodactylus.sone.web.ajax.GetStatusAjaxPage;
59 import net.pterodactylus.sone.web.ajax.GetTranslationPage;
60 import net.pterodactylus.sone.web.ajax.LikeAjaxPage;
61 import net.pterodactylus.sone.web.ajax.LockSoneAjaxPage;
62 import net.pterodactylus.sone.web.ajax.UnfollowSoneAjaxPage;
63 import net.pterodactylus.sone.web.ajax.UnlikeAjaxPage;
64 import net.pterodactylus.sone.web.ajax.UnlockSoneAjaxPage;
65 import net.pterodactylus.sone.web.page.PageToadlet;
66 import net.pterodactylus.sone.web.page.PageToadletFactory;
67 import net.pterodactylus.sone.web.page.StaticPage;
68 import net.pterodactylus.util.logging.Logging;
69 import net.pterodactylus.util.notify.NotificationManager;
70 import net.pterodactylus.util.notify.TemplateNotification;
71 import net.pterodactylus.util.template.DateFilter;
72 import net.pterodactylus.util.template.DefaultTemplateFactory;
73 import net.pterodactylus.util.template.MatchFilter;
74 import net.pterodactylus.util.template.PaginationPlugin;
75 import net.pterodactylus.util.template.ReflectionAccessor;
76 import net.pterodactylus.util.template.Template;
77 import net.pterodactylus.util.template.TemplateException;
78 import net.pterodactylus.util.template.TemplateFactory;
79 import net.pterodactylus.util.template.TemplateProvider;
80 import net.pterodactylus.util.template.XmlFilter;
81 import net.pterodactylus.util.thread.Ticker;
82 import freenet.clients.http.SessionManager;
83 import freenet.clients.http.ToadletContainer;
84 import freenet.l10n.BaseL10n;
85
86 /**
87  * Bundles functionality that a web interface of a Freenet plugin needs, e.g.
88  * references to l10n helpers.
89  *
90  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
91  */
92 public class WebInterface implements CoreListener {
93
94         /** The logger. */
95         private static final Logger logger = Logging.getLogger(WebInterface.class);
96
97         /** The notification manager. */
98         private final NotificationManager notificationManager = new NotificationManager();
99
100         /** The Sone plugin. */
101         private final SonePlugin sonePlugin;
102
103         /** The registered toadlets. */
104         private final List<PageToadlet> pageToadlets = new ArrayList<PageToadlet>();
105
106         /** The form password. */
107         private final String formPassword;
108
109         /** The template factory. */
110         private DefaultTemplateFactory templateFactory;
111
112         /** The “new Sone” notification. */
113         private final ListNotification<Sone> newSoneNotification;
114
115         /** The “new post” notification. */
116         private final ListNotification<Post> newPostNotification;
117
118         /** The “new reply” notification. */
119         private final ListNotification<Reply> newReplyNotification;
120
121         /** The “rescuing Sone” notification. */
122         private final ListNotification<Sone> rescuingSonesNotification;
123
124         /** The “Sone rescued” notification. */
125         private final ListNotification<Sone> sonesRescuedNotification;
126
127         /**
128          * Creates a new web interface.
129          *
130          * @param sonePlugin
131          *            The Sone plugin
132          */
133         public WebInterface(SonePlugin sonePlugin) {
134                 this.sonePlugin = sonePlugin;
135                 formPassword = sonePlugin.pluginRespirator().getToadletContainer().getFormPassword();
136
137                 templateFactory = new DefaultTemplateFactory();
138                 templateFactory.addAccessor(Object.class, new ReflectionAccessor());
139                 templateFactory.addAccessor(Collection.class, new CollectionAccessor());
140                 templateFactory.addAccessor(Sone.class, new SoneAccessor(getCore()));
141                 templateFactory.addAccessor(Post.class, new PostAccessor(getCore()));
142                 templateFactory.addAccessor(Reply.class, new ReplyAccessor(getCore()));
143                 templateFactory.addAccessor(Identity.class, new IdentityAccessor(getCore()));
144                 templateFactory.addAccessor(NotificationManager.class, new NotificationManagerAccessor());
145                 templateFactory.addFilter("date", new DateFilter());
146                 templateFactory.addFilter("l10n", new L10nFilter(getL10n()));
147                 templateFactory.addFilter("substring", new SubstringFilter());
148                 templateFactory.addFilter("xml", new XmlFilter());
149                 templateFactory.addFilter("change", new RequestChangeFilter());
150                 templateFactory.addFilter("match", new MatchFilter());
151                 templateFactory.addFilter("css", new CssClassNameFilter());
152                 templateFactory.addPlugin("getpage", new GetPagePlugin());
153                 templateFactory.addPlugin("paginate", new PaginationPlugin());
154                 templateFactory.setTemplateProvider(new ClassPathTemplateProvider(templateFactory));
155                 templateFactory.addTemplateObject("formPassword", formPassword);
156
157                 /* create notifications. */
158                 Template newSoneNotificationTemplate = templateFactory.createTemplate(createReader("/templates/notify/newSoneNotification.html"));
159                 newSoneNotification = new ListNotification<Sone>("new-sone-notification", "sones", newSoneNotificationTemplate);
160
161                 Template newPostNotificationTemplate = templateFactory.createTemplate(createReader("/templates/notify/newPostNotification.html"));
162                 newPostNotification = new ListNotification<Post>("new-post-notification", "posts", newPostNotificationTemplate);
163
164                 Template newReplyNotificationTemplate = templateFactory.createTemplate(createReader("/templates/notify/newReplyNotification.html"));
165                 newReplyNotification = new ListNotification<Reply>("new-replies-notification", "replies", newReplyNotificationTemplate);
166
167                 Template rescuingSonesTemplate = templateFactory.createTemplate(createReader("/templates/notify/rescuingSonesNotification.html"));
168                 rescuingSonesNotification = new ListNotification<Sone>("sones-being-rescued-notification", "sones", rescuingSonesTemplate);
169
170                 Template sonesRescuedTemplate = templateFactory.createTemplate(createReader("/templates/notify/sonesRescuedNotification.html"));
171                 sonesRescuedNotification = new ListNotification<Sone>("sones-rescued-notification", "sones", sonesRescuedTemplate);
172         }
173
174         //
175         // ACCESSORS
176         //
177
178         /**
179          * Returns the Sone core used by the Sone plugin.
180          *
181          * @return The Sone core
182          */
183         public Core getCore() {
184                 return sonePlugin.core();
185         }
186
187         /**
188          * Returns the notification manager.
189          *
190          * @return The notification manager
191          */
192         public NotificationManager getNotifications() {
193                 return notificationManager;
194         }
195
196         /**
197          * Returns the l10n helper of the node.
198          *
199          * @return The node’s l10n helper
200          */
201         public BaseL10n getL10n() {
202                 return sonePlugin.l10n().getBase();
203         }
204
205         /**
206          * Returns the session manager of the node.
207          *
208          * @return The node’s session manager
209          */
210         public SessionManager getSessionManager() {
211                 return sonePlugin.pluginRespirator().getSessionManager("Sone");
212         }
213
214         /**
215          * Returns the node’s form password.
216          *
217          * @return The form password
218          */
219         public String getFormPassword() {
220                 return formPassword;
221         }
222
223         /**
224          * Returns the posts that have been announced as new in the
225          * {@link #newPostNotification}.
226          *
227          * @return The new posts
228          */
229         public Set<Post> getNewPosts() {
230                 return new HashSet<Post>(newPostNotification.getElements());
231         }
232
233         /**
234          * Returns the replies that have been announced as new in the
235          * {@link #newReplyNotification}.
236          *
237          * @return The new replies
238          */
239         public Set<Reply> getNewReplies() {
240                 return new HashSet<Reply>(newReplyNotification.getElements());
241         }
242
243         //
244         // ACTIONS
245         //
246
247         /**
248          * Starts the web interface and registers all toadlets.
249          */
250         public void start() {
251                 registerToadlets();
252
253                 /* notification templates. */
254                 Template startupNotificationTemplate = templateFactory.createTemplate(createReader("/templates/notify/startupNotification.html"));
255
256                 final TemplateNotification startupNotification = new TemplateNotification("startup-notification", startupNotificationTemplate);
257                 notificationManager.addNotification(startupNotification);
258
259                 Ticker.getInstance().registerEvent(System.currentTimeMillis() + (120 * 1000), new Runnable() {
260
261                         @Override
262                         public void run() {
263                                 startupNotification.dismiss();
264                         }
265                 }, "Sone Startup Notification Remover");
266
267                 Template wotMissingNotificationTemplate = templateFactory.createTemplate(createReader("/templates/notify/wotMissingNotification.html"));
268                 final TemplateNotification wotMissingNotification = new TemplateNotification("wot-missing-notification", wotMissingNotificationTemplate);
269                 Ticker.getInstance().registerEvent(System.currentTimeMillis() + (15 * 1000), new Runnable() {
270
271                         @Override
272                         @SuppressWarnings("synthetic-access")
273                         public void run() {
274                                 if (getCore().getIdentityManager().isConnected()) {
275                                         wotMissingNotification.dismiss();
276                                 } else {
277                                         notificationManager.addNotification(wotMissingNotification);
278                                 }
279                                 Ticker.getInstance().registerEvent(System.currentTimeMillis() + (15 * 1000), this, "Sone WoT Connector Checker");
280                         }
281
282                 }, "Sone WoT Connector Checker");
283         }
284
285         /**
286          * Stops the web interface and unregisters all toadlets.
287          */
288         public void stop() {
289                 unregisterToadlets();
290                 Ticker.getInstance().stop();
291         }
292
293         //
294         // PRIVATE METHODS
295         //
296
297         /**
298          * Register all toadlets.
299          */
300         private void registerToadlets() {
301                 Template loginTemplate = templateFactory.createTemplate(createReader("/templates/login.html"));
302                 Template indexTemplate = templateFactory.createTemplate(createReader("/templates/index.html"));
303                 Template knownSonesTemplate = templateFactory.createTemplate(createReader("/templates/knownSones.html"));
304                 Template createSoneTemplate = templateFactory.createTemplate(createReader("/templates/createSone.html"));
305                 Template createPostTemplate = templateFactory.createTemplate(createReader("/templates/createPost.html"));
306                 Template createReplyTemplate = templateFactory.createTemplate(createReader("/templates/createReply.html"));
307                 Template editProfileTemplate = templateFactory.createTemplate(createReader("/templates/editProfile.html"));
308                 Template viewSoneTemplate = templateFactory.createTemplate(createReader("/templates/viewSone.html"));
309                 Template viewPostTemplate = templateFactory.createTemplate(createReader("/templates/viewPost.html"));
310                 Template likePostTemplate = templateFactory.createTemplate(createReader("/templates/like.html"));
311                 Template unlikePostTemplate = templateFactory.createTemplate(createReader("/templates/unlike.html"));
312                 Template deletePostTemplate = templateFactory.createTemplate(createReader("/templates/deletePost.html"));
313                 Template deleteReplyTemplate = templateFactory.createTemplate(createReader("/templates/deleteReply.html"));
314                 Template lockSoneTemplate = templateFactory.createTemplate(createReader("/templates/lockSone.html"));
315                 Template unlockSoneTemplate = templateFactory.createTemplate(createReader("/templates/unlockSone.html"));
316                 Template followSoneTemplate = templateFactory.createTemplate(createReader("/templates/followSone.html"));
317                 Template unfollowSoneTemplate = templateFactory.createTemplate(createReader("/templates/unfollowSone.html"));
318                 Template deleteSoneTemplate = templateFactory.createTemplate(createReader("/templates/deleteSone.html"));
319                 Template noPermissionTemplate = templateFactory.createTemplate(createReader("/templates/noPermission.html"));
320                 Template dismissNotificationTemplate = templateFactory.createTemplate(createReader("/templates/dismissNotification.html"));
321                 Template logoutTemplate = templateFactory.createTemplate(createReader("/templates/logout.html"));
322                 Template optionsTemplate = templateFactory.createTemplate(createReader("/templates/options.html"));
323                 Template aboutTemplate = templateFactory.createTemplate(createReader("/templates/about.html"));
324                 Template replyTemplate = templateFactory.createTemplate(createReader("/templates/include/viewReply.html"));
325
326                 PageToadletFactory pageToadletFactory = new PageToadletFactory(sonePlugin.pluginRespirator().getHLSimpleClient(), "/Sone/");
327                 pageToadlets.add(pageToadletFactory.createPageToadlet(new IndexPage(indexTemplate, this), "Index"));
328                 pageToadlets.add(pageToadletFactory.createPageToadlet(new CreateSonePage(createSoneTemplate, this), "CreateSone"));
329                 pageToadlets.add(pageToadletFactory.createPageToadlet(new KnownSonesPage(knownSonesTemplate, this), "KnownSones"));
330                 pageToadlets.add(pageToadletFactory.createPageToadlet(new EditProfilePage(editProfileTemplate, this), "EditProfile"));
331                 pageToadlets.add(pageToadletFactory.createPageToadlet(new CreatePostPage(createPostTemplate, this)));
332                 pageToadlets.add(pageToadletFactory.createPageToadlet(new CreateReplyPage(createReplyTemplate, this)));
333                 pageToadlets.add(pageToadletFactory.createPageToadlet(new ViewSonePage(viewSoneTemplate, this)));
334                 pageToadlets.add(pageToadletFactory.createPageToadlet(new ViewPostPage(viewPostTemplate, this)));
335                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LikePage(likePostTemplate, this)));
336                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnlikePage(unlikePostTemplate, this)));
337                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DeletePostPage(deletePostTemplate, this)));
338                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DeleteReplyPage(deleteReplyTemplate, this)));
339                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LockSonePage(lockSoneTemplate, this)));
340                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnlockSonePage(unlockSoneTemplate, this)));
341                 pageToadlets.add(pageToadletFactory.createPageToadlet(new FollowSonePage(followSoneTemplate, this)));
342                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnfollowSonePage(unfollowSoneTemplate, this)));
343                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DeleteSonePage(deleteSoneTemplate, this), "DeleteSone"));
344                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LoginPage(loginTemplate, this), "Login"));
345                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LogoutPage(logoutTemplate, this), "Logout"));
346                 pageToadlets.add(pageToadletFactory.createPageToadlet(new OptionsPage(optionsTemplate, this), "Options"));
347                 pageToadlets.add(pageToadletFactory.createPageToadlet(new AboutPage(aboutTemplate, this, SonePlugin.VERSION), "About"));
348                 pageToadlets.add(pageToadletFactory.createPageToadlet(new SoneTemplatePage("noPermission.html", noPermissionTemplate, "Page.NoPermission.Title", this)));
349                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DismissNotificationPage(dismissNotificationTemplate, this)));
350                 pageToadlets.add(pageToadletFactory.createPageToadlet(new StaticPage("css/", "/static/css/", "text/css")));
351                 pageToadlets.add(pageToadletFactory.createPageToadlet(new StaticPage("javascript/", "/static/javascript/", "text/javascript")));
352                 pageToadlets.add(pageToadletFactory.createPageToadlet(new StaticPage("images/", "/static/images/", "image/png")));
353                 pageToadlets.add(pageToadletFactory.createPageToadlet(new GetTranslationPage(this)));
354                 pageToadlets.add(pageToadletFactory.createPageToadlet(new GetStatusAjaxPage(this)));
355                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DismissNotificationAjaxPage(this)));
356                 pageToadlets.add(pageToadletFactory.createPageToadlet(new CreateReplyAjaxPage(this)));
357                 pageToadlets.add(pageToadletFactory.createPageToadlet(new GetReplyAjaxPage(this, replyTemplate)));
358                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DeletePostAjaxPage(this)));
359                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DeleteReplyAjaxPage(this)));
360                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LockSoneAjaxPage(this)));
361                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnlockSoneAjaxPage(this)));
362                 pageToadlets.add(pageToadletFactory.createPageToadlet(new FollowSoneAjaxPage(this)));
363                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnfollowSoneAjaxPage(this)));
364                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LikeAjaxPage(this)));
365                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnlikeAjaxPage(this)));
366                 pageToadlets.add(pageToadletFactory.createPageToadlet(new GetLikesAjaxPage(this)));
367
368                 ToadletContainer toadletContainer = sonePlugin.pluginRespirator().getToadletContainer();
369                 toadletContainer.getPageMaker().addNavigationCategory("/Sone/index.html", "Navigation.Menu.Name", "Navigation.Menu.Tooltip", sonePlugin);
370                 for (PageToadlet toadlet : pageToadlets) {
371                         String menuName = toadlet.getMenuName();
372                         if (menuName != null) {
373                                 toadletContainer.register(toadlet, "Navigation.Menu.Name", toadlet.path(), true, "Navigation.Menu.Item." + menuName + ".Name", "Navigation.Menu.Item." + menuName + ".Tooltip", false, toadlet);
374                         } else {
375                                 toadletContainer.register(toadlet, null, toadlet.path(), true, false);
376                         }
377                 }
378         }
379
380         /**
381          * Unregisters all toadlets.
382          */
383         private void unregisterToadlets() {
384                 ToadletContainer toadletContainer = sonePlugin.pluginRespirator().getToadletContainer();
385                 for (PageToadlet pageToadlet : pageToadlets) {
386                         toadletContainer.unregister(pageToadlet);
387                 }
388                 toadletContainer.getPageMaker().removeNavigationCategory("Navigation.Menu.Name");
389         }
390
391         /**
392          * Creates a {@link Reader} from the {@link InputStream} for the resource
393          * with the given name.
394          *
395          * @param resourceName
396          *            The name of the resource
397          * @return A {@link Reader} for the resource
398          */
399         private Reader createReader(String resourceName) {
400                 try {
401                         return new InputStreamReader(getClass().getResourceAsStream(resourceName), "UTF-8");
402                 } catch (UnsupportedEncodingException uee1) {
403                         return null;
404                 }
405         }
406
407         //
408         // CORELISTENER METHODS
409         //
410
411         /**
412          * {@inheritDoc}
413          */
414         @Override
415         public void rescuingSone(Sone sone) {
416                 rescuingSonesNotification.add(sone);
417                 notificationManager.addNotification(rescuingSonesNotification);
418         }
419
420         /**
421          * {@inheritDoc}
422          */
423         @Override
424         public void rescuedSone(Sone sone) {
425                 rescuingSonesNotification.remove(sone);
426                 sonesRescuedNotification.add(sone);
427                 notificationManager.addNotification(sonesRescuedNotification);
428         }
429
430         /**
431          * {@inheritDoc}
432          */
433         @Override
434         public void newSoneFound(Sone sone) {
435                 newSoneNotification.add(sone);
436                 notificationManager.addNotification(newSoneNotification);
437         }
438
439         /**
440          * {@inheritDoc}
441          */
442         @Override
443         public void newPostFound(Post post) {
444                 newPostNotification.add(post);
445                 notificationManager.addNotification(newPostNotification);
446         }
447
448         /**
449          * {@inheritDoc}
450          */
451         @Override
452         public void newReplyFound(Reply reply) {
453                 if (reply.getPost().getSone() == null) {
454                         return;
455                 }
456                 newReplyNotification.add(reply);
457                 notificationManager.addNotification(newReplyNotification);
458         }
459
460         /**
461          * {@inheritDoc}
462          */
463         @Override
464         public void markSoneKnown(Sone sone) {
465                 newSoneNotification.remove(sone);
466         }
467
468         /**
469          * {@inheritDoc}
470          */
471         @Override
472         public void markPostKnown(Post post) {
473                 newPostNotification.remove(post);
474         }
475
476         /**
477          * {@inheritDoc}
478          */
479         @Override
480         public void markReplyKnown(Reply reply) {
481                 newReplyNotification.remove(reply);
482         }
483
484         /**
485          * Template provider implementation that uses
486          * {@link WebInterface#createReader(String)} to load templates for
487          * inclusion.
488          *
489          * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
490          */
491         private class ClassPathTemplateProvider implements TemplateProvider {
492
493                 /** The template factory. */
494                 @SuppressWarnings("hiding")
495                 private final TemplateFactory templateFactory;
496
497                 /**
498                  * Creates a new template provider that locates templates on the
499                  * classpath.
500                  *
501                  * @param templateFactory
502                  *            The template factory to create the templates
503                  */
504                 public ClassPathTemplateProvider(TemplateFactory templateFactory) {
505                         this.templateFactory = templateFactory;
506                 }
507
508                 /**
509                  * {@inheritDoc}
510                  */
511                 @Override
512                 @SuppressWarnings("synthetic-access")
513                 public Template getTemplate(String templateName) {
514                         Reader templateReader = createReader("/templates/" + templateName);
515                         if (templateReader == null) {
516                                 return null;
517                         }
518                         Template template = templateFactory.createTemplate(templateReader);
519                         try {
520                                 template.parse();
521                         } catch (TemplateException te1) {
522                                 logger.log(Level.WARNING, "Could not parse template “" + templateName + "” for inclusion!", te1);
523                         }
524                         return template;
525                 }
526
527         }
528
529 }