Source Code Cross Referenced for HelpUtils.java in  » IDE-Netbeans » visualweb.api.designer » com » sun » rave » web » ui » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » visualweb.api.designer » com.sun.rave.web.ui.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         *
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         *
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         *
024:         * Contributor(s):
025:         *
026:         * The Original Software is NetBeans. The Initial Developer of the Original
027:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028:         * Microsystems, Inc. All Rights Reserved.
029:         *
030:         * If you wish your version of this file to be governed by only the CDDL
031:         * or only the GPL Version 2, indicate your decision by adding
032:         * "[Contributor] elects to include this software in this distribution
033:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
034:         * single choice of license, a recipient has the option to distribute
035:         * your version of this file under either the CDDL, the GPL Version 2 or
036:         * to extend the choice of license to its licensees as provided above.
037:         * However, if you add GPL Version 2 code and therefore, elected the GPL
038:         * Version 2 license, then the option applies only if the new code is
039:         * made subject to such option by the copyright holder.
040:         */
041:        package com.sun.rave.web.ui.util;
042:
043:        import java.io.*;
044:        import java.net.MalformedURLException;
045:        import java.net.URL;
046:        import java.util.ArrayList;
047:        import java.util.Enumeration;
048:        import java.util.Locale;
049:        import java.util.Vector;
050:
051:        import javax.help.HelpSet;
052:        import javax.help.HelpSetException;
053:        import javax.help.IndexItem;
054:        import javax.help.IndexView;
055:        import javax.help.InvalidHelpSetContextException;
056:        import javax.help.Map;
057:        import javax.help.Map.ID;
058:        import javax.help.Merge;
059:        import javax.help.NavigatorView;
060:        import javax.help.SearchHit;
061:        import javax.help.SearchTOCItem;
062:        import javax.help.SearchView;
063:        import javax.help.ServletHelpBroker;
064:        import javax.help.SortMerge;
065:        import javax.help.TOCItem;
066:        import javax.help.TOCView;
067:        import javax.help.TreeItem;
068:        import javax.help.search.MergingSearchEngine;
069:        import javax.help.search.SearchEvent;
070:        import javax.help.search.SearchItem;
071:        import javax.help.search.SearchListener;
072:        import javax.help.search.SearchQuery;
073:
074:        import javax.servlet.*;
075:        import javax.servlet.http.*;
076:        import javax.servlet.jsp.*;
077:        import javax.swing.tree.DefaultMutableTreeNode;
078:        import javax.swing.tree.TreeNode;
079:
080:        import javax.faces.context.FacesContext;
081:
082:        /**
083:         * This is a set of utilities used for accessing JavaHelp content.
084:         *
085:         * @author  Sun Microsystems, Inc.
086:         */
087:        public class HelpUtils implements  SearchListener {
088:            public static final String URL_SEPARATOR = "/";
089:            public static final String TOC_VIEW_NAME = "TOC";
090:            public static final String INDEX_VIEW_NAME = "Index";
091:            public static final String SEARCH_VIEW_NAME = "Search";
092:
093:            private ServletHelpBroker helpBroker;
094:
095:            // TOC variables.
096:            private TOCView tocView;
097:            private Enumeration tocTreeEnum;
098:            private ArrayList tocTreeList;
099:            private DefaultMutableTreeNode tocTopNode;
100:
101:            // Index (tab) variables.
102:            private IndexView indexView;
103:            private Enumeration indexTreeEnum;
104:            private ArrayList indexTreeList;
105:            private DefaultMutableTreeNode indexTopNode;
106:
107:            // Search variables.
108:            private SearchView searchView;
109:            private MergingSearchEngine helpSearch;
110:            private SearchQuery searchQuery;
111:            private Vector searchNodes;
112:            private Enumeration searchEnum;
113:            private boolean searchFinished;
114:
115:            // The application name (context name).
116:            private String appName;
117:
118:            // Help path prefix
119:            private static String pathPrefix;
120:
121:            // unsecure http port to use for help requests
122:            int httpPort = -1;
123:
124:            // Locale object for the tags.
125:            private Locale currentLocale;
126:
127:            /** Node ID of the root treenode. */
128:            public static final String BASE_ID = "root";
129:
130:            /** Tips on searching path. */
131:            protected static final String REQUEST_SCHEME = "http";
132:            protected static final String HTML_DIR = "html";
133:            protected static final String HELP_DIR = "help";
134:            protected static final String DEFAULT_HELPSET_NAME = "app.hs";
135:            protected static final String TIPS_ON_SEARCHING_FILE = "tips_on_searching.html";
136:
137:            /** Constructor. */
138:            public HelpUtils(HttpServletRequest request, String appName,
139:                    int httpPort) {
140:                // Debug.initTrace();
141:                this .appName = appName;
142:
143:                this .httpPort = httpPort;
144:
145:                // Set up the currentLocale object.
146:                currentLocale = getLocale();
147:
148:                // Initialize the helpBroker and create/validate the helpset.
149:                initHelp(request);
150:            }
151:
152:            /** Constructor. */
153:            public HelpUtils(HttpServletRequest request, String appName,
154:                    String pathPrefix) {
155:                // Debug.initTrace();
156:                this .appName = appName;
157:
158:                if ((pathPrefix != null) && (pathPrefix.length() != 0)) {
159:                    if (pathPrefix.trim().length() != 0) {
160:                        this .pathPrefix = pathPrefix.trim();
161:                    }
162:                }
163:
164:                // Set up the currentLocale object.
165:                currentLocale = getLocale();
166:
167:                // Initialize the helpBroker and create/validate the helpset.
168:                initHelp(request);
169:            }
170:
171:            private Locale getLocale() {
172:                FacesContext context = FacesContext.getCurrentInstance();
173:                return context.getViewRoot().getLocale();
174:            }
175:
176:            /**
177:             * Get the path to the localized tips_on_searching help file.
178:             */
179:            public String getTipsOnSearchingPath(ServletContext context) {
180:
181:                // first check if the file is in the app help directory, if 
182:                // not look for it in the resource context path.
183:
184:                StringBuffer buf = new StringBuffer(128);
185:
186:                buf.append(getHelpPath(appName)).append(URL_SEPARATOR).append(
187:                        HTML_DIR).append(URL_SEPARATOR).append(
188:                        currentLocale.toString()).append(URL_SEPARATOR).append(
189:                        HELP_DIR).append(URL_SEPARATOR).append(
190:                        TIPS_ON_SEARCHING_FILE);
191:
192:                return buf.toString();
193:
194:                /*            
195:                // file is in the resource context path
196:                buf = new StringBuffer(CCSystem.getResourceContextPath() + 
197:                    URL_SEPARATOR + HTML_DIR
198:                    + URL_SEPARATOR + currentLocale.toString()
199:                    + URL_SEPARATOR + HELP_DIR
200:                    + URL_SEPARATOR + TIPS_ON_SEARCHING_FILE);
201:                return buf.toString();
202:                 */
203:            }
204:
205:            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
206:            // Initialization methods
207:            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
208:
209:            /**
210:             * Initialize the Help helpset.
211:             */
212:            private void initHelp(HttpServletRequest request) {
213:
214:                instantiateHelpBroker(request);
215:
216:                // Grab the default HelpSet path: /<appName>/html/<locale>/help/app.hs
217:                String hsPath = getDefaultHelpSetPath();
218:                // Debug.trace3("hsPath: " + hsPath);
219:
220:                // Validate the HelpSets and the help IDs (use null to get current ID).
221:                validateHelpSet(request, hsPath, false);
222:                validateID(null);
223:
224:                initNavigatorViews();
225:            }
226:
227:            /** 
228:             * Instantiate the ServletHelpBroker bean.
229:             */
230:            private void instantiateHelpBroker(HttpServletRequest request) {
231:                try {
232:                    helpBroker = (ServletHelpBroker) java.beans.Beans
233:                            .instantiate(this .getClass().getClassLoader(),
234:                                    "javax.help.ServletHelpBroker");
235:                } catch (ClassNotFoundException exc) {
236:                    // XXX: Is this serious??
237:                    System.out.println("Cannot instantiate ServletHelpBroker."
238:                            + exc.getMessage());
239:                } catch (Exception exc) {
240:                    // XXX: Is this serious??
241:                    System.out
242:                            .println("Cannot create bean of class ServletHelpBroker."
243:                                    + exc.getMessage());
244:                }
245:            }
246:
247:            /**
248:             * Return a handle to the ServletHelpBroker.
249:             */
250:            public ServletHelpBroker getHelpBroker() {
251:                return helpBroker;
252:            }
253:
254:            public String getLocalizedHelpPath() {
255:                StringBuffer buffer = new StringBuffer(1024);
256:
257:                buffer.append(appName);
258:
259:                if (!appName.endsWith("/")) {
260:                    // add the slash if it's not there already
261:                    buffer.append(URL_SEPARATOR);
262:                }
263:
264:                buffer.append(HTML_DIR).append(URL_SEPARATOR).append(
265:                        currentLocale.toString()).append(URL_SEPARATOR).append(
266:                        HELP_DIR).append(URL_SEPARATOR);
267:
268:                return buffer.toString();
269:            }
270:
271:            /**
272:             * Return the path to the default helpset file. The path will be formatted
273:             * as follows:
274:             * <p>
275:             * <code>/<appName>/html/<locale>/help/app.hs</code>
276:             * </p>
277:             */
278:            public String getDefaultHelpSetPath() {
279:                /*
280:                if (appName == null) {
281:                appName = request.getContextPath();
282:                if (appName == null) {
283:                // Debug("Unable to obtain app name from request.");
284:                appName = "";
285:                } else {
286:                if (appName.startsWith(URL_SEPARATOR)) {
287:                    appName = appName.substring(1);
288:                }
289:                }
290:                }
291:                 */
292:
293:                StringBuffer buffer = new StringBuffer(1024);
294:
295:                buffer.append(getLocalizedHelpPath()).append(
296:                        DEFAULT_HELPSET_NAME);
297:
298:                // System.out.println("default hs path = " + buffer.toString());
299:
300:                return buffer.toString();
301:            }
302:
303:            /**
304:             * Get help installation directory with reference to the app
305:             * base. If the application's pathPrefix is set to a given value
306:             * then this method will return a string of the form pathPrefix/html.
307:             * If the appName is null or empty or no path prefix has been set then 
308:             * "html" will be returned.
309:             */
310:            private static String getHelpPath(String appName) {
311:
312:                if ((appName == null) || (appName.length() == 0)) {
313:                    return HTML_DIR;
314:                } else {
315:                    if (pathPrefix == null) {
316:                        return appName;
317:                    } else {
318:                        return (appName + URL_SEPARATOR + pathPrefix);
319:                    }
320:                }
321:            }
322:
323:            /**
324:             * Initialize navigator views.
325:             */
326:            private void initNavigatorViews() {
327:                // Initialize TOC.
328:                //
329:                HelpSet hs = helpBroker.getHelpSet();
330:                Locale locale = hs.getLocale();
331:
332:                tocView = (TOCView) hs.getNavigatorView(TOC_VIEW_NAME);
333:                if (tocView != null) {
334:                    // Grab the tree data from the navigator view.
335:                    tocTopNode = tocView.getDataAsTree();
336:
337:                    // Sort the helpsets
338:                    String mergeType = tocView.getMergeType();
339:                    if (mergeType != null) {
340:                        SortMerge.sortNode(tocTopNode, locale);
341:                    }
342:
343:                    // Add all the sub-helpsets to the master merged helpset.
344:                    addSubHelpSets(hs);
345:
346:                    // Set the tocTreeEnum and tocTreeList objects for future use.
347:                    tocTreeEnum = tocTopNode.preorderEnumeration();
348:                    setTOCTreeList();
349:                }
350:
351:                // Initialize Index.
352:                //
353:
354:                // Get the Index navigator view and index tree data.
355:                indexView = (IndexView) hs.getNavigatorView(INDEX_VIEW_NAME);
356:                if (indexView != null) {
357:                    indexTopNode = indexView.getDataAsTree();
358:
359:                    // Set the indexTreeEnum and indexTreeList objects for future use.
360:                    indexTreeEnum = indexTopNode.preorderEnumeration();
361:                    setIndexTreeList();
362:                }
363:
364:                // Initialize Search.
365:                //
366:
367:                // Get the Search navigator view and index tree data.
368:                searchView = (SearchView) hs.getNavigatorView(SEARCH_VIEW_NAME);
369:            }
370:
371:            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
372:            // Validation methods
373:            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
374:
375:            /**
376:             * This method validates the helpset. 
377:             *
378:             * @param request The request for this page.
379:             * @param hsName The helpset name.
380:             * @param merge Indicates whether the helpset hsName should be merged.
381:             */
382:            public void validateHelpSet(HttpServletRequest request,
383:                    String hsName, boolean merge) {
384:                HelpSet hs = helpBroker.getHelpSet();
385:
386:                // The HelpSet exists.
387:                if (hs != null) {
388:                    // If the hsName is null, return since there is nothing to do.
389:                    // Otherwise, if merging is turned on, add the HelpSet.
390:                    if (hsName == null) {
391:                        return;
392:                    }
393:
394:                    HelpSet newHS = createHelpSet(request, hsName);
395:                    if (merge && !hs.contains(newHS)) {
396:                        hs.add(newHS);
397:                    } else {
398:                        helpBroker.setHelpSet(newHS);
399:                    }
400:
401:                    // The HelpSet does not exist.
402:                } else {
403:                    // If the hsName is null, forward to the invalid page. Otherwise,
404:                    // create a HelpSet from hsName and set HelpBroker's HelpSet value.
405:                    if (hsName == null) {
406:                        // Debug.trace1("Invalid URL path: " + hsName);
407:                        // XXX: Forward to invalid url page.
408:                        return;
409:                    }
410:                    helpBroker.setHelpSet(createHelpSet(request, hsName));
411:                }
412:            }
413:
414:            /**
415:             * Validate the given help id. If none is specified, set the current id to
416:             * the home id.
417:             *
418:             * @param helpID the current ID.
419:             */
420:            public void validateID(String helpID) {
421:                if (helpID != null) {
422:                    helpBroker.setCurrentID(helpID);
423:                } else if (helpBroker.getCurrentID() == null
424:                        && helpBroker.getCurrentURL() == null) {
425:                    try {
426:                        helpBroker.setCurrentID(helpBroker.getHelpSet()
427:                                .getHomeID());
428:                    } catch (InvalidHelpSetContextException e) {
429:                        // Ignore
430:                    }
431:                }
432:            }
433:
434:            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
435:            // HelpSet methods
436:            // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
437:
438:            /**
439:             * Set the path to the "current" page.
440:             */
441:            public void setCurrentHelpPage(URL url) {
442:                helpBroker.setCurrentURL(url);
443:            }
444:
445:            /**
446:             * Creates a helpset.
447:             *
448:             * @param request The request for this page
449:             * @param hsName the HelpSet name
450:             * @return the HelpSet created
451:             */
452:            private HelpSet createHelpSet(HttpServletRequest request,
453:                    String hsName) {
454:                if (!hsName.startsWith(REQUEST_SCHEME)
455:                        && !hsName.startsWith(URL_SEPARATOR)) {
456:                    hsName = URL_SEPARATOR + hsName;
457:                }
458:
459:                HelpSet hs = null;
460:
461:                int port = httpPort;
462:
463:                if (port == -1) {
464:                    port = request.getServerPort();
465:                }
466:
467:                try {
468:                    URL url = (hsName.startsWith(REQUEST_SCHEME)) ? new URL(
469:                            hsName) : new URL(REQUEST_SCHEME, "127.0.0.1",
470:                            port, hsName);
471:
472:                    hs = new HelpSet(null, url);
473:                } catch (MalformedURLException e) {
474:                    // ignore
475:                } catch (HelpSetException hse) {
476:                    // If the currentLocale is not "en", try to create the HelpSet using
477:                    // the "en" (default) locale.
478:                    if (!currentLocale.toString().equals(Locale.ENGLISH)) {
479:                        currentLocale = Locale.ENGLISH;
480:                        hs = createHelpSet(request, getDefaultHelpSetPath());
481:                        // XXX: This is a serious error. The currentLocale is not "en", and a
482:                        // helpset still cannot be found. Throw a runtime exception for now.
483:                    } else {
484:                        throw new RuntimeException(hse.getMessage());
485:                    }
486:                }
487:                return hs;
488:            }
489:
490:            /** 
491:             * Adds sub-helpsets to the master merged helpset.
492:             *
493:             * @param hs The HelpSet to which subhelpsets will be added
494:             */
495:            private void addSubHelpSets(HelpSet hs) {
496:                for (Enumeration e = hs.getHelpSets(); e.hasMoreElements();) {
497:                    HelpSet ehs = (HelpSet) e.nextElement();
498:                    if (ehs == null) {
499:                        continue;
500:                    }
501:
502:                    // Merge views
503:                    NavigatorView[] views = ehs.getNavigatorViews();
504:                    for (int i = 0; i < views.length; i++) {
505:                        if (views[i] instanceof  TOCView) {
506:                            Merge mergeObject = Merge.DefaultMergeFactory
507:                                    .getMerge(tocView, views[i]);
508:                            if (mergeObject != null) {
509:                                mergeObject.processMerge(tocTopNode);
510:                            }
511:                        }
512:                    }
513:                    addSubHelpSets(ehs);
514:                }
515:            }
516:
517:            /**
518:             * Return the ID of the given node.
519:             */
520:            public String getID(TreeNode node) {
521:                if (node == tocTopNode) {
522:                    return BASE_ID;
523:                }
524:
525:                TreeNode parent = node.getParent();
526:                if (parent == null) {
527:                    return "";
528:                }
529:
530:                String id = getID(parent);
531:                return id.concat("_" + Integer.toString(parent.getIndex(node)));
532:            }
533:
534:            /**
535:             * Return the content URL in String form for a given TreeItem, or an empty
536:             * String if no content exists.
537:             */
538:            public String getContentURL(TreeItem item) {
539:                URL url = null;
540:                ID id = item.getID();
541:                if (id != null) {
542:                    HelpSet hs = id.hs;
543:                    Map map = hs.getLocalMap();
544:                    try {
545:                        url = map.getURLFromID(id);
546:                    } catch (MalformedURLException e) {
547:                        // Ignore
548:                    }
549:                }
550:                return (url != null) ? url.toExternalForm() : "";
551:            }
552:
553:            /**
554:             * Set the TOC tree list object using the tocTreeEnum object.
555:             */
556:            private void setTOCTreeList() {
557:                tocTreeList = new ArrayList();
558:                while (tocTreeEnum.hasMoreElements()) {
559:                    tocTreeList.add(tocTreeEnum.nextElement());
560:                }
561:            }
562:
563:            /**
564:             * Return the TOC tree enumeration as an ArrayList object.
565:             */
566:            public ArrayList getTOCTreeList() {
567:                if (tocTreeList == null) {
568:                    setTOCTreeList();
569:                }
570:                return tocTreeList;
571:            }
572:
573:            /**
574:             * Set the Index tree list object using the indexTreeEnum object.
575:             */
576:            private void setIndexTreeList() {
577:                indexTreeList = new ArrayList();
578:                while (indexTreeEnum.hasMoreElements()) {
579:                    indexTreeList.add(indexTreeEnum.nextElement());
580:                }
581:            }
582:
583:            /**
584:             * Return the Index tree enumeration as an ArrayList object.
585:             */
586:            public ArrayList getIndexTreeList() {
587:                if (indexTreeList == null) {
588:                    setIndexTreeList();
589:                }
590:                return indexTreeList;
591:            }
592:
593:            /**
594:             * Do a search on the query passed in.
595:             */
596:            public synchronized Enumeration doSearch(String query) {
597:                if (query == null) {
598:                    return null;
599:                }
600:
601:                if (helpSearch == null) {
602:                    if (searchView == null) {
603:                        searchView = (SearchView) helpBroker.getHelpSet()
604:                                .getNavigatorView(SEARCH_VIEW_NAME);
605:                    }
606:
607:                    if (searchView == null) {
608:                        return null;
609:                    }
610:
611:                    helpSearch = new MergingSearchEngine(searchView);
612:                    searchQuery = helpSearch.createQuery();
613:                    searchQuery.addSearchListener(this );
614:                }
615:
616:                if (searchQuery.isActive()) {
617:                    searchQuery.stop();
618:                }
619:
620:                searchFinished = false;
621:                searchQuery.start(query, currentLocale);
622:
623:                // Wait for search to finish.
624:                if (!searchFinished) {
625:                    try {
626:                        wait();
627:                    } catch (InterruptedException e) {
628:                        // ignore
629:                    }
630:                }
631:
632:                // searchEnum is set in searchFinished method.
633:                return searchEnum;
634:            }
635:
636:            /**
637:             * Tells the listener that the search has started.
638:             */
639:            public synchronized void searchStarted(SearchEvent e) {
640:                searchNodes = new Vector();
641:                searchFinished = false;
642:            }
643:
644:            /**
645:             * Tells the listener that the search has finished.
646:             */
647:            public synchronized void searchFinished(SearchEvent e) {
648:                searchFinished = true;
649:                searchEnum = searchNodes.elements();
650:                notifyAll();
651:            }
652:
653:            /**
654:             * Tells the listener that matching SearchItems have been found.
655:             */
656:            public synchronized void itemsFound(SearchEvent e) {
657:                SearchTOCItem tocitem;
658:                Enumeration itemEnum = e.getSearchItems();
659:
660:                // Iterate through each search item in the searchEvent
661:                while (itemEnum.hasMoreElements()) {
662:                    SearchItem item = (SearchItem) itemEnum.nextElement();
663:                    URL url;
664:                    try {
665:                        url = new URL(item.getBase(), item.getFilename());
666:                    } catch (MalformedURLException me) {
667:                        /* Debug.trace3("Could not create URL from: "
668:                            + item.getBase() + "|" + item.getFilename()); */
669:                        continue;
670:                    }
671:                    boolean foundNode = false;
672:
673:                    // See if this search item matches that of one we currently have
674:                    // if so just do an update
675:                    Enumeration nodesEnum = searchNodes.elements();
676:                    while (nodesEnum.hasMoreElements()) {
677:                        tocitem = (SearchTOCItem) nodesEnum.nextElement();
678:                        URL testURL = tocitem.getURL();
679:                        if (testURL != null && url != null
680:                                && url.sameFile(testURL)) {
681:                            tocitem.addSearchHit(new SearchHit(item
682:                                    .getConfidence(), item.getBegin(), item
683:                                    .getEnd()));
684:                            foundNode = true;
685:                            break;
686:                        }
687:                    }
688:
689:                    // No match. 
690:                    // OK then add a new one.
691:                    if (!foundNode) {
692:                        tocitem = new SearchTOCItem(item);
693:                        searchNodes.addElement(tocitem);
694:                    }
695:                }
696:            }
697:
698:            /**
699:             * For debug - print the attributes of each node in the toc and index trees.
700:             */
701:            public void printDebug() {
702:                // Print TOC tree.
703:                ArrayList tocTreeList = getTOCTreeList();
704:                if (tocTreeList == null) {
705:                    // Debug.trace1("tocTreeList null.");
706:                    return;
707:                }
708:
709:                StringBuffer buf = new StringBuffer("tocTreeList dump:\n");
710:                DefaultMutableTreeNode node = null;
711:                int nTreeNodes = tocTreeList.size();
712:                for (int i = 0; i < nTreeNodes; i++) {
713:                    node = (DefaultMutableTreeNode) tocTreeList.get(i);
714:                    buf.append(tocTreeToString(node)).append("\n");
715:                }
716:
717:                // Print Index tree.
718:                ArrayList indexTreeList = getIndexTreeList();
719:                if (indexTreeList == null) {
720:                    // Debug.trace1("indexTreeList null.");
721:                    return;
722:                }
723:
724:                buf = new StringBuffer("indexTreeList dump:\n");
725:                nTreeNodes = indexTreeList.size();
726:                for (int i = 0; i < nTreeNodes; i++) {
727:                    node = (DefaultMutableTreeNode) indexTreeList.get(i);
728:                    buf.append(indexTreeToString(node)).append("\n");
729:                }
730:            }
731:
732:            /**
733:             * Return a string containing the contents of the given TOC tree node.
734:             */
735:            public String tocTreeToString(DefaultMutableTreeNode node) {
736:                // Add TOC tree to buffer.
737:                if (node == null) {
738:                    return ("\n\tTOC tree node is null.");
739:                }
740:
741:                TOCItem item = (TOCItem) node.getUserObject();
742:                if (item == null) {
743:                    return ("\n\tTOCItem is null.");
744:                }
745:
746:                DefaultMutableTreeNode parent = (DefaultMutableTreeNode) node
747:                        .getParent();
748:                StringBuffer buf = new StringBuffer();
749:                buf.append("\n\tname:          " + item.getName());
750:                buf.append("\n\thelpID:        "
751:                        + ((item.getID() != null) ? item.getID().id : ""));
752:                buf.append("\n\tparentID:        "
753:                        + ((parent != null) ? Integer.toHexString(parent
754:                                .hashCode()) : ""));
755:                buf.append("\n\tparentID 2:      " + getID(parent));
756:                buf.append("\n\tnode:          "
757:                        + Integer.toHexString(node.hashCode()));
758:                buf.append("\n\tnodeID:        " + getID(node));
759:                buf.append("\n\tcontentURL:    " + getContentURL(item));
760:                buf.append("\n\texpansionType: "
761:                        + Integer.toString(item.getExpansionType()));
762:
763:                return buf.toString();
764:            }
765:
766:            /**
767:             * Return a string containing the contents of the given Index tree node.
768:             */
769:            public String indexTreeToString(DefaultMutableTreeNode node) {
770:                // Add Index tree to buffer.
771:                if (node == null) {
772:                    return ("\n\tTree node is null.");
773:                }
774:
775:                IndexItem item = (IndexItem) node.getUserObject();
776:                if (item == null) {
777:                    return ("\n\tIndexItem is null.");
778:                }
779:
780:                DefaultMutableTreeNode parent = (DefaultMutableTreeNode) node
781:                        .getParent();
782:                StringBuffer buf = new StringBuffer();
783:                buf.append("\n\tname:          " + item.getName());
784:                buf.append("\n\thelpID:        "
785:                        + ((item.getID() != null) ? item.getID().id : ""));
786:                buf.append("\n\tparentID:        "
787:                        + ((parent != null) ? Integer.toHexString(parent
788:                                .hashCode()) : ""));
789:                buf.append("\n\tparentID 2:      " + getID(parent));
790:                buf.append("\n\tnode:          "
791:                        + Integer.toHexString(node.hashCode()));
792:                buf.append("\n\tnodeID:        " + getID(node));
793:                buf.append("\n\texpansionType: "
794:                        + Integer.toString(item.getExpansionType()));
795:
796:                return buf.toString();
797:            }
798:        }
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