Source Code Cross Referenced for GetParseData.java in  » IDE-Netbeans » web.core » org » apache » jasper » compiler » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » web.core » org.apache.jasper.compiler 
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 1997-2008 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:
042:        package org.apache.jasper.compiler;
043:
044:        import java.io.File;
045:        import java.lang.reflect.Field;
046:        import java.net.MalformedURLException;
047:        import java.net.URI;
048:        import java.net.URISyntaxException;
049:        import java.net.URL;
050:        import java.util.Enumeration;
051:        import java.util.HashSet;
052:        import java.util.Hashtable;
053:        import java.util.Iterator;
054:        import java.util.List;
055:        import java.util.Map;
056:        import java.util.Set;
057:        import java.util.Vector;
058:        import java.util.logging.Level;
059:        import java.util.logging.Logger;
060:        import javax.servlet.jsp.JspException;
061:        import javax.servlet.jsp.PageContext;
062:        import javax.servlet.jsp.tagext.TagFileInfo;
063:        import javax.servlet.jsp.tagext.TagLibraryInfo;
064:        import org.apache.jasper.JasperException;
065:        import org.apache.jasper.JspCompilationContext;
066:        import org.apache.jasper.Options;
067:
068:        /**
069:         *
070:         * @author Petr Jiricka
071:         */
072:        public class GetParseData {
073:
074:            private static final Logger LOGGER = Logger
075:                    .getLogger(GetParseData.class.getName());
076:
077:            private final JspCompilationContext ctxt;
078:
079:            private final Options options;
080:            private final CompilerHacks compHacks;
081:            private int errorReportingMode;
082:
083:            private org.netbeans.modules.web.jsps.parserapi.Node.Nodes nbNodes;
084:            private org.netbeans.modules.web.jsps.parserapi.PageInfo nbPageInfo;
085:            private Throwable parseException;
086:
087:            /** Creates a new instance of ExtractPageData */
088:            public GetParseData(JspCompilationContext ctxt,
089:                    int errorReportingMode) {
090:                this .ctxt = ctxt;
091:                this .errorReportingMode = errorReportingMode;
092:                options = ctxt.getOptions();
093:                compHacks = new CompilerHacks(ctxt);
094:            }
095:
096:            public org.netbeans.modules.web.jsps.parserapi.Node.Nodes getNbNodes() {
097:                return nbNodes;
098:            }
099:
100:            public org.netbeans.modules.web.jsps.parserapi.PageInfo getNbPageInfo() {
101:                return nbPageInfo;
102:            }
103:
104:            public Throwable getParseException() {
105:                return parseException;
106:            }
107:
108:            /** Code in this method copied over and adapted from Compiler.generateJava() 
109:             **/
110:            public void parse() {
111:                Node.Nodes pageNodes = null;
112:                PageInfo pageInfo = null;
113:                String xmlView = null;
114:                try {
115:                    //String smapStr = null;
116:
117:                    //        long t1=System.currentTimeMillis();
118:
119:                    // Setup page info area
120:                    Compiler comp = compHacks.getCompiler();
121:                    pageInfo = comp.getPageInfo();
122:                    ErrorDispatcher errDispatcher = comp.getErrorDispatcher();
123:
124:                    // pageInfo = new PageInfo(new BeanRepository(ctxt.getClassLoader(),
125:                    //   errDispatcher));
126:
127:                    JspConfig jspConfig = options.getJspConfig();
128:                    JspProperty jspProperty = jspConfig.findJspProperty(ctxt
129:                            .getJspFile());
130:
131:                    /*
132:                     * If the current uri is matched by a pattern specified in
133:                     * a jsp-property-group in web.xml, initialize pageInfo with
134:                     * those properties.
135:                     */
136:                    pageInfo.setELIgnored(JspUtil.booleanValue(jspProperty
137:                            .isELIgnored()));
138:                    pageInfo.setScriptingInvalid(JspUtil
139:                            .booleanValue(jspProperty.isScriptingInvalid()));
140:                    if (jspProperty.getIncludePrelude() != null) {
141:                        pageInfo.setIncludePrelude(jspProperty
142:                                .getIncludePrelude());
143:                    }
144:                    if (jspProperty.getIncludeCoda() != null) {
145:                        pageInfo.setIncludeCoda(jspProperty.getIncludeCoda());
146:                    }
147:                    //        String javaFileName = ctxt.getServletJavaFileName();
148:
149:                    // Setup the ServletWriter
150:                    //        String javaEncoding = ctxt.getOptions().getJavaEncoding();
151:                    //	OutputStreamWriter osw = null; 
152:                    //	try {
153:                    //	    osw = new OutputStreamWriter(new FileOutputStream(javaFileName),
154:                    //					 javaEncoding);
155:                    //	} catch (UnsupportedEncodingException ex) {
156:                    //            errDispatcher.jspError("jsp.error.needAlternateJavaEncoding", javaEncoding);
157:                    //	}
158:
159:                    //	ServletWriter writer = new ServletWriter(new PrintWriter(osw));
160:                    //        ctxt.setWriter(writer);
161:
162:                    // Reset the temporary variable counter for the generator.
163:                    JspUtil.resetTemporaryVariableName();
164:
165:                    // Parse the file
166:                    ParserController parserCtl = new ParserController(ctxt,
167:                            comp);
168:                    pageNodes = parserCtl.parse(ctxt.getJspFile());
169:
170:                    //	if (ctxt.isPrototypeMode()) {
171:                    //	    // generate prototype .java file for the tag file
172:                    //	    Generator.generate(writer, this, pageNodes);
173:                    //            writer.close();
174:                    //	    return null;
175:                    //	}
176:
177:                    // Generate FunctionMapper (used for validation of EL expressions and
178:                    // code generation)
179:                    // pageInfo.setFunctionMapper(new FunctionMapperImpl(this));
180:
181:                    // Validate and process attributes
182:                    // Validator.validate(comp, pageNodes);
183:                    xmlView = NbValidator.validate(comp, pageNodes);
184:
185:                    //        long t2=System.currentTimeMillis();
186:                    // Dump out the page (for debugging)
187:                    // Dumper.dump(pageNodes);
188:
189:                    // Collect page info
190:                    Collector.collect(comp, pageNodes);
191:
192:                    // Compile (if necessary) and load the tag files referenced in
193:                    // this compilation unit.
194:
195:                    // PENDING - we may need to process tag files somehow
196:                    //	TagFileProcessor tfp = new TagFileProcessor();
197:                    //	tfp.loadTagFiles(comp, pageNodes);          
198:
199:                    // Try to obtain tagInfo if the page is a tag file
200:                    if (ctxt.isTagFile()) {
201:                        // find out the dir for fake tag library
202:                        String tagDir = ctxt.getJspFile();
203:                        int lastIndex = tagDir.lastIndexOf('/');
204:                        int lastDotIndex = tagDir.lastIndexOf('.');
205:                        String tagName;
206:                        if (lastDotIndex > 0) {
207:                            tagName = tagDir.substring(lastIndex + 1,
208:                                    lastDotIndex);
209:                        } else {
210:                            tagName = tagDir.substring(lastIndex + 1);
211:                        }
212:                        tagDir = tagDir.substring(0,
213:                                tagDir.lastIndexOf('/') + 1);
214:
215:                        // we need to compile the tag file to a virtual tag library to obtain its tag info
216:                        ImplicitTagLibraryInfo tagLibrary = new ImplicitTagLibraryInfo(
217:                                ctxt, parserCtl, "virtual", tagDir,
218:                                errDispatcher); //NOI18N
219:                        ctxt.setTagInfo(tagLibrary.getTagFile(tagName)
220:                                .getTagInfo());
221:                    }
222:                    //        long t3=System.currentTimeMillis();
223:
224:                    // Determine which custom tag needs to declare which scripting vars
225:                    ScriptingVariabler.set(pageNodes, errDispatcher);
226:
227:                    // Optimizations by Tag Plugins
228:                    TagPluginManager tagPluginManager = options
229:                            .getTagPluginManager();
230:                    tagPluginManager.apply(pageNodes, errDispatcher, pageInfo);
231:
232:                    // Generate static funciton mapper codes.
233:                    ELFunctionMapper.map(comp, pageNodes);
234:
235:                    // generate servlet .java file
236:                    //	Generator.generate(writer, comp, pageNodes);
237:                    //        writer.close();
238:                    // The writer is only used during the compile, dereference
239:                    // it in the JspCompilationContext when done to allow it
240:                    // to be GC'd and save memory.
241:                    //        ctxt.setWriter(null);
242:
243:                    //        long t4=System.currentTimeMillis();
244:                    //        if( t4-t1 > 500 ) {
245:                    //            log.debug("Generated "+ javaFileName + " total=" +
246:                    //                      (t4-t1) + " generate=" + ( t4-t3 ) + " validate=" + ( t2-t1 ));
247:                    //        }
248:
249:                    //JSR45 Support - note this needs to be checked by a JSR45 guru
250:                    //        if (! options.isSmapSuppressed()) {
251:                    //            String smapStr = SmapUtil.generateSmap(ctxt, pageNodes);
252:                    //        }
253:
254:                    // If any proto type .java and .class files was generated,
255:                    // the prototype .java may have been replaced by the current
256:                    // compilation (if the tag file is self referencing), but the
257:                    // .class file need to be removed, to make sure that javac would
258:                    // generate .class again from the new .java file just generated.
259:
260:                    // PENDING - we may need to process tag files somehow
261:                    //	tfp.removeProtoTypeFiles(ctxt.getClassFileName());
262:                } catch (ThreadDeath t) {
263:                    throw t;
264:                } catch (Throwable t) {
265:                    parseException = t;
266:                } finally {
267:                    // convert the nodes
268:                    try {
269:                        if (pageNodes != null) {
270:                            nbNodes = convertNodes(pageNodes);
271:                        }
272:                    } catch (JasperException e) {
273:                        if (parseException == null) {
274:                            parseException = e;
275:                        }
276:                    }
277:                    // convert the pageInfo
278:                    try {
279:                        if (pageInfo != null) {
280:                            // xmlView may be null
281:                            nbPageInfo = convertPageInfo(pageInfo, xmlView,
282:                                    ctxt);
283:                        }
284:                    } catch (JspException e) {
285:                        if (parseException == null) {
286:                            parseException = e;
287:                        }
288:                    }
289:                }
290:                //	return smapStr;
291:            }
292:
293:            private static org.netbeans.modules.web.jsps.parserapi.Node.Nodes convertNodes(
294:                    Node.Nodes nodes) throws JasperException {
295:                org.netbeans.modules.web.jsps.parserapi.Node.Nodes nbNodes = NodeConverterVisitor
296:                        .convertNodes(nodes);
297:                return nbNodes;
298:            }
299:
300:            private static org.netbeans.modules.web.jsps.parserapi.PageInfo convertPageInfo(
301:                    PageInfo pageInfo, String xmlView,
302:                    JspCompilationContext ctxt) throws JspException {
303:                PageInfoImpl nbPageInfo = new PageInfoImpl(
304:                        getTaglibsMapReflect(pageInfo, ctxt),
305:                        getJSPPrefixMapperReflect(pageInfo),
306:                        getXMLPrefixMapperReflect(pageInfo),
307:                        ((CompilerHacks.HackPageInfo) pageInfo)
308:                                .getApproxXmlPrefixMapper(), pageInfo
309:                                .getImports(), pageInfo.getDependants(),
310:                        pageInfo.getIncludePrelude(),
311:                        pageInfo.getIncludeCoda(),
312:                        getPluginDclsReflect(pageInfo),
313:                        getPrefixesReflect(pageInfo));
314:                nbPageInfo.setLanguage(pageInfo.getLanguage());
315:                nbPageInfo.setExtends(pageInfo.getExtends());
316:                nbPageInfo.setContentType(pageInfo.getContentType());
317:                nbPageInfo.setSession(pageInfo.getSession());
318:                nbPageInfo.setBufferValue(pageInfo.getBufferValue());
319:                nbPageInfo.setAutoFlush(pageInfo.getAutoFlush());
320:                nbPageInfo.setIsThreadSafe(pageInfo.getIsThreadSafe());
321:                nbPageInfo.setIsErrorPage(pageInfo.getIsErrorPage());
322:                nbPageInfo.setErrorPage(pageInfo.getErrorPage());
323:                nbPageInfo.setScriptless(pageInfo.isScriptless());
324:                nbPageInfo.setScriptingInvalid(pageInfo.isScriptingInvalid());
325:                nbPageInfo.setELIgnored(pageInfo.isELIgnored());
326:                nbPageInfo.setOmitXmlDecl(pageInfo.getOmitXmlDecl());
327:                nbPageInfo.setIsJspPrefixHijacked(pageInfo
328:                        .isJspPrefixHijacked());
329:                nbPageInfo.setDoctypeName(pageInfo.getDoctypeName());
330:                nbPageInfo.setDoctypeSystem(pageInfo.getDoctypeSystem());
331:                nbPageInfo.setDoctypePublic(pageInfo.getDoctypePublic());
332:                nbPageInfo.setHasJspRoot(pageInfo.hasJspRoot());
333:                nbPageInfo
334:                        .setBeans(createBeanData(pageInfo.getBeanRepository()));
335:                // the xml view
336:                nbPageInfo.setXMLView(xmlView);
337:
338:                nbPageInfo.setTagFile(ctxt.isTagFile());
339:                nbPageInfo.setTagInfo(ctxt.getTagInfo());
340:
341:                return nbPageInfo;
342:            }
343:
344:            private static org.netbeans.modules.web.jsps.parserapi.PageInfo.BeanData[] createBeanData(
345:                    BeanRepository rep) {
346:                try {
347:                    initBeanRepositoryFields();
348:                    Vector sessionBeans = (Vector) sessionBeansF.get(rep);
349:                    Vector pageBeans = (Vector) pageBeansF.get(rep);
350:                    Vector appBeans = (Vector) appBeansF.get(rep);
351:                    Vector requestBeans = (Vector) requestBeansF.get(rep);
352:                    Hashtable beanTypes = (Hashtable) beanTypesF.get(rep);
353:                    int size = beanTypes.size();
354:                    org.netbeans.modules.web.jsps.parserapi.PageInfo.BeanData bd[] = new org.netbeans.modules.web.jsps.parserapi.PageInfo.BeanData[size];
355:                    Iterator it = beanTypes.keySet().iterator();
356:                    int index = 0;
357:                    while (it.hasNext()) {
358:                        String id = (String) it.next();
359:                        String type = (String) beanTypes.get(id);
360:                        int scope = PageContext.PAGE_SCOPE;
361:                        if (sessionBeans.contains(id)) {
362:                            scope = PageContext.SESSION_SCOPE;
363:                        }
364:                        if (appBeans.contains(id)) {
365:                            scope = PageContext.APPLICATION_SCOPE;
366:                        }
367:                        if (requestBeans.contains(id)) {
368:                            scope = PageContext.REQUEST_SCOPE;
369:                        }
370:
371:                        bd[index] = new BeanDataImpl(id, scope, type);
372:                        ++index;
373:                    }
374:                    return bd;
375:                } catch (IllegalAccessException e) {
376:                    LOGGER.log(Level.INFO, null, e);
377:                    throw new RuntimeException();
378:                }
379:            }
380:
381:            static class PageInfoImpl extends
382:                    org.netbeans.modules.web.jsps.parserapi.PageInfo {
383:
384:                public PageInfoImpl(/*BeanRepository beanRepository*/
385:                Map taglibsMap, Map jspPrefixMapper, Map xmlPrefixMapper,
386:                        Map approxXmlPrefixMapper, List imports,
387:                        List dependants, List includePrelude, List includeCoda,
388:                        List pluginDcls, Set prefixes) {
389:                    super (taglibsMap, jspPrefixMapper, xmlPrefixMapper,
390:                            approxXmlPrefixMapper, imports, dependants,
391:                            includePrelude, includeCoda, pluginDcls, prefixes);
392:                }
393:
394:                private String xmlView;
395:
396:                public void setXMLView(String xmlView) {
397:                    this .xmlView = xmlView;
398:                }
399:
400:                public String getXMLView() {
401:                    return xmlView;
402:                }
403:
404:                @Override
405:                public String toString() {
406:                    StringBuilder sb = new StringBuilder();
407:                    sb.append(super .toString());
408:                    sb
409:                            .append(" ------- XML View (constructed from the original data structure) -----\n"); // NOI18N
410:                    if (xmlView == null) {
411:                        sb.append("no XML view\n"); // NOI18N
412:                    } else {
413:                        sb.append(getXMLView());
414:                    }
415:                    return sb.toString();
416:                }
417:            }
418:
419:            static class BeanDataImpl implements 
420:                    org.netbeans.modules.web.jsps.parserapi.PageInfo.BeanData {
421:
422:                private final String id;
423:                private final int scope;
424:                private final String className;
425:
426:                BeanDataImpl(String id, int scope, String className) {
427:                    this .id = id;
428:                    this .scope = scope;
429:                    this .className = className;
430:                }
431:
432:                /** Identifier of the bean in the page (variable name). */
433:                public String getId() {
434:                    return id;
435:                }
436:
437:                /** Scope for this bean. Returns constants defined in {@link javax.servlet.jsp.PageContext}. */
438:                public int getScope() {
439:                    return scope;
440:                }
441:
442:                /** Returns the class name for this bean. */
443:                public String getClassName() {
444:                    return className;
445:                }
446:            }
447:
448:            // ------ getting BeanRepository data by reflection
449:            private static Field sessionBeansF, pageBeansF, appBeansF,
450:                    requestBeansF, beanTypesF;
451:
452:            private static void initBeanRepositoryFields() {
453:                if (sessionBeansF == null) {
454:                    try {
455:                        sessionBeansF = BeanRepository.class
456:                                .getDeclaredField("sessionBeans");
457:                        sessionBeansF.setAccessible(true);
458:                        pageBeansF = BeanRepository.class
459:                                .getDeclaredField("pageBeans");
460:                        pageBeansF.setAccessible(true);
461:                        appBeansF = BeanRepository.class
462:                                .getDeclaredField("appBeans");
463:                        appBeansF.setAccessible(true);
464:                        requestBeansF = BeanRepository.class
465:                                .getDeclaredField("requestBeans");
466:                        requestBeansF.setAccessible(true);
467:                        beanTypesF = BeanRepository.class
468:                                .getDeclaredField("beanTypes");
469:                        beanTypesF.setAccessible(true);
470:                    } catch (NoSuchFieldException e) {
471:                        LOGGER.log(Level.INFO, null, e);
472:                    }
473:                }
474:            }
475:
476:            // ------ getting BeanRepository data by reflection
477:            private static Field pluginDclsF, prefixesF, taglibsMapF,
478:                    jspPrefixMapperF, xmlPrefixMapperF;
479:
480:            private static void initPageInfoFields() {
481:                if (pluginDclsF == null) {
482:                    try {
483:                        pluginDclsF = PageInfo.class
484:                                .getDeclaredField("pluginDcls");
485:                        pluginDclsF.setAccessible(true);
486:                        prefixesF = PageInfo.class.getDeclaredField("prefixes");
487:                        prefixesF.setAccessible(true);
488:                        taglibsMapF = PageInfo.class
489:                                .getDeclaredField("taglibsMap");
490:                        taglibsMapF.setAccessible(true);
491:                        jspPrefixMapperF = PageInfo.class
492:                                .getDeclaredField("jspPrefixMapper");
493:                        jspPrefixMapperF.setAccessible(true);
494:                        xmlPrefixMapperF = PageInfo.class
495:                                .getDeclaredField("xmlPrefixMapper");
496:                        xmlPrefixMapperF.setAccessible(true);
497:                    } catch (NoSuchFieldException e) {
498:                        LOGGER.log(Level.INFO, null, e);
499:                    }
500:                }
501:            }
502:
503:            private static Vector getPluginDclsReflect(PageInfo pageInfo) {
504:                initPageInfoFields();
505:                try {
506:                    return (Vector) pluginDclsF.get(pageInfo);
507:                } catch (IllegalAccessException e) {
508:                    LOGGER.log(Level.INFO, null, e);
509:                    throw new RuntimeException();
510:                }
511:            }
512:
513:            private static HashSet getPrefixesReflect(PageInfo pageInfo) {
514:                initPageInfoFields();
515:                try {
516:                    return (HashSet) prefixesF.get(pageInfo);
517:                } catch (IllegalAccessException e) {
518:                    LOGGER.log(Level.INFO, null, e);
519:                    throw new RuntimeException();
520:                }
521:            }
522:
523:            private static class TagFileInfoCacheRecord {
524:                final long time;
525:                final TagFileInfo tagFileInfo;
526:
527:                public TagFileInfoCacheRecord(long time, TagFileInfo info) {
528:                    tagFileInfo = info;
529:                    this .time = time;
530:                }
531:            }
532:
533:            /** The cache for the tag infos from tagfiles. There are stored TagInfoCacheRecord as value and 
534:             * the path for a tagfile as key. The informations are cached for the whole application. 
535:             * The cache is changed, when a jsp page is parsed and a tag file was changed. 
536:             */
537:
538:            private static Hashtable<URL, TagFileInfoCacheRecord> tagFileInfoCache = new Hashtable<URL, TagFileInfoCacheRecord>();
539:
540:            private static Map getTaglibsMapReflect(PageInfo pageInfo,
541:                    JspCompilationContext ctxt) {
542:                initPageInfoFields();
543:                try {
544:                    Map taglibs = (Map) taglibsMapF.get(pageInfo);
545:                    Iterator iter = taglibs.values().iterator();
546:                    TagLibraryInfo libInfo;
547:                    // Caching information about tag files from implicit libraries
548:                    while (iter.hasNext()) {
549:                        libInfo = (TagLibraryInfo) iter.next();
550:                        try {
551:                            if (libInfo instanceof  ImplicitTagLibraryInfo) {
552:                                //We need the access for the files
553:                                Field tagFileMapF = ImplicitTagLibraryInfo.class
554:                                        .getDeclaredField("tagFileMap");
555:                                tagFileMapF.setAccessible(true);
556:                                Hashtable tagFileMap = (Hashtable) tagFileMapF
557:                                        .get(libInfo);
558:                                TagFileInfo[] tagFiles = new TagFileInfo[tagFileMap
559:                                        .size()];
560:                                int index = 0;
561:                                //Check every file in tag library
562:                                Enumeration e = tagFileMap.keys();
563:                                while (e.hasMoreElements()) {
564:                                    //Find the path for the file
565:                                    String name = (String) e.nextElement();
566:                                    String filePath = (String) tagFileMap
567:                                            .get(name);
568:
569:                                    URL path = ctxt.getResource(filePath);
570:                                    File file = new File(new URI(path
571:                                            .toExternalForm()));
572:                                    // Is there the file in the cache?
573:                                    if (tagFileInfoCache.containsKey(path)) {
574:                                        TagFileInfoCacheRecord r = (TagFileInfoCacheRecord) tagFileInfoCache
575:                                                .get(path);
576:                                        // Is there a change in the tagfile?
577:                                        if (r.time < file.lastModified()) {
578:                                            tagFileInfoCache
579:                                                    .put(
580:                                                            path,
581:                                                            new TagFileInfoCacheRecord(
582:                                                                    file
583:                                                                            .lastModified(),
584:                                                                    libInfo
585:                                                                            .getTagFile(name)));
586:                                        }
587:                                    } else {
588:                                        tagFileInfoCache
589:                                                .put(
590:                                                        path,
591:                                                        new TagFileInfoCacheRecord(
592:                                                                file
593:                                                                        .lastModified(),
594:                                                                libInfo
595:                                                                        .getTagFile(name)));
596:                                    }
597:                                    //Obtain information from the cache
598:                                    tagFiles[index++] = tagFileInfoCache
599:                                            .get(path).tagFileInfo;
600:                                }
601:                                Field tagInfosF = ImplicitTagLibraryInfo.class
602:                                        .getSuperclass().getDeclaredField(
603:                                                "tagFiles");
604:                                tagInfosF.setAccessible(true);
605:                                tagInfosF.set(libInfo, tagFiles);
606:                            }
607:                        } catch (NoSuchFieldException e) {
608:                            LOGGER.log(Level.INFO, null, e);
609:                        } catch (MalformedURLException e) {
610:                            LOGGER.log(Level.INFO, null, e);
611:                        } catch (URISyntaxException e) {
612:                            LOGGER.log(Level.INFO, null, e);
613:                        }
614:                    }
615:                    return taglibs;
616:                } catch (IllegalAccessException e) {
617:                    LOGGER.log(Level.INFO, null, e);
618:                    throw new RuntimeException();
619:                }
620:            }
621:
622:            private static Map getJSPPrefixMapperReflect(PageInfo pageInfo) {
623:                initPageInfoFields();
624:                try {
625:                    return (Map) jspPrefixMapperF.get(pageInfo);
626:                } catch (IllegalAccessException e) {
627:                    LOGGER.log(Level.INFO, null, e);
628:                    throw new RuntimeException();
629:                }
630:            }
631:
632:            private static Map getXMLPrefixMapperReflect(PageInfo pageInfo) {
633:                initPageInfoFields();
634:                try {
635:                    return (Map) xmlPrefixMapperF.get(pageInfo);
636:                } catch (IllegalAccessException e) {
637:                    LOGGER.log(Level.INFO, null, e);
638:                    throw new RuntimeException();
639:                }
640:            }
641:        }
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