Source Code Cross Referenced for TurbineURI.java in  » Web-Framework » TURBINE » org » apache » turbine » util » uri » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Framework » TURBINE » org.apache.turbine.util.uri 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package org.apache.turbine.util.uri;
002:
003:        /*
004:         * Licensed to the Apache Software Foundation (ASF) under one
005:         * or more contributor license agreements.  See the NOTICE file
006:         * distributed with this work for additional information
007:         * regarding copyright ownership.  The ASF licenses this file
008:         * to you under the Apache License, Version 2.0 (the
009:         * "License"); you may not use this file except in compliance
010:         * with the License.  You may obtain a copy of the License at
011:         *
012:         *   http://www.apache.org/licenses/LICENSE-2.0
013:         *
014:         * Unless required by applicable law or agreed to in writing,
015:         * software distributed under the License is distributed on an
016:         * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017:         * KIND, either express or implied.  See the License for the
018:         * specific language governing permissions and limitations
019:         * under the License.
020:         */
021:
022:        import java.net.URLEncoder;
023:
024:        import java.util.ArrayList;
025:        import java.util.Collection;
026:        import java.util.Iterator;
027:        import java.util.List;
028:
029:        import org.apache.commons.lang.StringUtils;
030:
031:        import org.apache.commons.logging.Log;
032:        import org.apache.commons.logging.LogFactory;
033:
034:        import org.apache.turbine.util.RunData;
035:        import org.apache.turbine.util.ServerData;
036:        import org.apache.turbine.util.parser.ParameterParser;
037:        import org.apache.turbine.util.parser.ParserUtils;
038:
039:        /**
040:         * This class allows you to keep all the information needed for a single
041:         * link at one place. It keeps your query data, path info, the server
042:         * scheme, name, port and the script path.
043:         *
044:         * If you must generate a Turbine Link, use this class.
045:         *
046:         * @author <a href="mailto:jon@clearink.com">Jon S. Stevens</a>
047:         * @author <a href="mailto:jvanzyl@periapt.com">Jason van Zyl</a>
048:         * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
049:         * @version $Id: TurbineURI.java 638205 2008-03-18 04:10:39Z seade $
050:         */
051:
052:        public class TurbineURI extends BaseURI {
053:            /** Logging */
054:            private static Log log = LogFactory.getLog(TurbineURI.class);
055:
056:            /** Contains the PathInfo and QueryData vectors */
057:            private List[] dataVectors = null;
058:
059:            /*
060:             * ========================================================================
061:             *
062:             * Constructors
063:             *
064:             * ========================================================================
065:             *
066:             */
067:
068:            /**
069:             * Empty C'tor. Uses Turbine.getDefaultServerData().
070:             */
071:            public TurbineURI() {
072:                super ();
073:                init();
074:            }
075:
076:            /**
077:             * Constructor with a RunData object.
078:             *
079:             * @param runData A RunData object
080:             */
081:            public TurbineURI(RunData runData) {
082:                super (runData);
083:                init();
084:            }
085:
086:            /**
087:             * Constructor, set explicit redirection.
088:             *
089:             * @param runData A RunData object
090:             * @param redirect True if redirection allowed.
091:             */
092:            public TurbineURI(RunData runData, boolean redirect) {
093:                super (runData, redirect);
094:                init();
095:            }
096:
097:            /**
098:             * Constructor, set Screen.
099:             *
100:             * @param runData A RunData object
101:             * @param screen A Screen Name
102:             */
103:            public TurbineURI(RunData runData, String screen) {
104:                this (runData);
105:                setScreen(screen);
106:            }
107:
108:            /**
109:             * Constructor, set Screen, set explicit redirection.
110:             *
111:             * @param runData A RunData object
112:             * @param screen A Screen Name
113:             * @param redirect True if redirection allowed.
114:             */
115:            public TurbineURI(RunData runData, String screen, boolean redirect) {
116:                this (runData, redirect);
117:                setScreen(screen);
118:            }
119:
120:            /**
121:             * Constructor, set Screen and Action.
122:             *
123:             * @param runData A RunData object
124:             * @param screen A Screen Name
125:             * @param action An Action Name
126:             */
127:            public TurbineURI(RunData runData, String screen, String action) {
128:                this (runData, screen);
129:                setAction(action);
130:            }
131:
132:            /**
133:             * Constructor, set Screen and Action, set explicit redirection.
134:             *
135:             * @param runData A RunData object
136:             * @param screen A Screen Name
137:             * @param action An Action Name
138:             * @param redirect True if redirection allowed.
139:             */
140:            public TurbineURI(RunData runData, String screen, String action,
141:                    boolean redirect) {
142:                this (runData, screen, redirect);
143:                setAction(action);
144:            }
145:
146:            /**
147:             * Constructor with a ServerData object.
148:             *
149:             * @param serverData A ServerData object
150:             */
151:            public TurbineURI(ServerData serverData) {
152:                super (serverData);
153:                init();
154:            }
155:
156:            /**
157:             * Constructor, set explicit redirection.
158:             *
159:             * @param serverData A ServerData object
160:             * @param redirect True if redirection allowed.
161:             */
162:            public TurbineURI(ServerData serverData, boolean redirect) {
163:                super (serverData, redirect);
164:                init();
165:            }
166:
167:            /**
168:             * Constructor, set Screen.
169:             *
170:             * @param serverData A ServerData object
171:             * @param screen A Screen Name
172:             */
173:            public TurbineURI(ServerData serverData, String screen) {
174:                this (serverData);
175:                setScreen(screen);
176:            }
177:
178:            /**
179:             * Constructor, set Screen, set explicit redirection.
180:             *
181:             * @param serverData A ServerData object
182:             * @param screen A Screen Name
183:             * @param redirect True if redirection allowed.
184:             */
185:            public TurbineURI(ServerData serverData, String screen,
186:                    boolean redirect) {
187:                this (serverData, redirect);
188:                setScreen(screen);
189:            }
190:
191:            /**
192:             * Constructor, set Screen and Action.
193:             *
194:             * @param serverData A ServerData object
195:             * @param screen A Screen Name
196:             * @param action An Action Name
197:             */
198:            public TurbineURI(ServerData serverData, String screen,
199:                    String action) {
200:                this (serverData, screen);
201:                setAction(action);
202:            }
203:
204:            /**
205:             * Constructor, set Screen and Action, set explicit redirection.
206:             *
207:             * @param serverData A ServerData object
208:             * @param screen A Screen Name
209:             * @param action An Action Name
210:             * @param redirect True if redirection allowed.
211:             */
212:            public TurbineURI(ServerData serverData, String screen,
213:                    String action, boolean redirect) {
214:                this (serverData, screen, redirect);
215:                setAction(action);
216:            }
217:
218:            /**
219:             * Constructor, user Turbine.getDefaultServerData(), set Screen and Action.
220:             *
221:             * @param screen A Screen Name
222:             * @param action An Action Name
223:             */
224:            public TurbineURI(String screen, String action) {
225:                this ();
226:                setScreen(screen);
227:                setAction(action);
228:            }
229:
230:            /*
231:             * ========================================================================
232:             *
233:             * Init
234:             *
235:             * ========================================================================
236:             *
237:             */
238:
239:            /**
240:             * Init the TurbineURI.
241:             */
242:            private void init() {
243:                dataVectors = new List[2];
244:                dataVectors[PATH_INFO] = new ArrayList();
245:                dataVectors[QUERY_DATA] = new ArrayList();
246:            }
247:
248:            /**
249:             * Sets the action= value for this URL.
250:             *
251:             * By default it adds the information to the path_info instead
252:             * of the query data. An empty value (null or "") cleans out
253:             * an existing value.
254:             *
255:             * @param action A String with the action value.
256:             */
257:            public void setAction(String action) {
258:                if (StringUtils.isNotEmpty(action)) {
259:                    add(PATH_INFO, CGI_ACTION_PARAM, action);
260:                } else {
261:                    clearAction();
262:                }
263:            }
264:
265:            /**
266:             * Sets the fired eventSubmit= value for this URL.
267:             *
268:             * @param event The event to fire.
269:             *
270:             */
271:            public void setEvent(String event) {
272:                add(PATH_INFO, EVENT_PREFIX + event, event);
273:            }
274:
275:            /**
276:             * Sets the action= and eventSubmit= values for this URL.
277:             *
278:             * By default it adds the information to the path_info instead
279:             * of the query data. An empty value (null or "") for the action cleans out
280:             * an existing value.  An empty value (null or "") for the event has no
281:             * effect.
282:             *
283:             * @param action A String with the action value.
284:             * @param event A string with the event name.
285:             */
286:            public void setActionEvent(String action, String event) {
287:                setAction(action);
288:                if (StringUtils.isNotEmpty(event)) {
289:                    setEvent(event);
290:                }
291:            }
292:
293:            /**
294:             * Clears the action= value for this URL.
295:             */
296:            public void clearAction() {
297:                removePathInfo(CGI_ACTION_PARAM);
298:            }
299:
300:            /**
301:             * Sets the screen= value for this URL.
302:             *
303:             * By default it adds the information to the path_info instead
304:             * of the query data. An empty value (null or "") cleans out
305:             * an existing value.
306:             *
307:             * @param screen A String with the screen value.
308:             */
309:            public void setScreen(String screen) {
310:                if (StringUtils.isNotEmpty(screen)) {
311:                    add(PATH_INFO, CGI_SCREEN_PARAM, screen);
312:                } else {
313:                    clearScreen();
314:                }
315:            }
316:
317:            /**
318:             * Clears the screen= value for this URL.
319:             */
320:            public void clearScreen() {
321:                removePathInfo(CGI_SCREEN_PARAM);
322:            }
323:
324:            /*
325:             * ========================================================================
326:             *
327:             * Adding and removing Data from the Path Info and Query Data
328:             *
329:             * ========================================================================
330:             */
331:
332:            /**
333:             * Adds a name=value pair for every entry in a ParameterParser
334:             * object to the path_info string.
335:             *
336:             * @param pp A ParameterParser.
337:             */
338:            public void addPathInfo(ParameterParser pp) {
339:                add(PATH_INFO, pp);
340:            }
341:
342:            /**
343:             * Adds an existing List of URIParam objects to
344:             * the path_info string.
345:             *
346:             * @param list A list with URIParam objects.
347:             */
348:            public void addPathInfo(List list) {
349:                add(PATH_INFO, list);
350:            }
351:
352:            /**
353:             * Adds a name=value pair to the path_info string.
354:             *
355:             * @param name A String with the name to add.
356:             * @param value An Object with the value to add.
357:             */
358:            public void addPathInfo(String name, Object value) {
359:                add(PATH_INFO, name, null == value ? null : value.toString());
360:            }
361:
362:            /**
363:             * Adds a name=value pair to the path_info string.
364:             *
365:             * @param name A String with the name to add.
366:             * @param value A String with the value to add.
367:             */
368:            public void addPathInfo(String name, String value) {
369:                add(PATH_INFO, name, value);
370:            }
371:
372:            /**
373:             * Adds a name=value pair to the path_info string.
374:             *
375:             * @param name A String with the name to add.
376:             * @param value A double with the value to add.
377:             */
378:            public void addPathInfo(String name, double value) {
379:                add(PATH_INFO, name, Double.toString(value));
380:            }
381:
382:            /**
383:             * Adds a name=value pair to the path_info string.
384:             *
385:             * @param name A String with the name to add.
386:             * @param value An int with the value to add.
387:             */
388:            public void addPathInfo(String name, int value) {
389:                add(PATH_INFO, name, Integer.toString(value));
390:            }
391:
392:            /**
393:             * Adds a name=value pair to the path_info string.
394:             *
395:             * @param name A String with the name to add.
396:             * @param value A long with the value to add.
397:             */
398:            public void addPathInfo(String name, long value) {
399:                add(PATH_INFO, name, Long.toString(value));
400:            }
401:
402:            /**
403:             * Adds a name=value pair to the query string.
404:             *
405:             * @param name A String with the name to add.
406:             * @param value An Object with the value to add.
407:             */
408:            public void addQueryData(String name, Object value) {
409:                add(QUERY_DATA, name, null == value ? null : value.toString());
410:            }
411:
412:            /**
413:             * Adds a name=value pair to the query string.
414:             *
415:             * @param name A String with the name to add.
416:             * @param value A String with the value to add.
417:             */
418:            public void addQueryData(String name, String value) {
419:                add(QUERY_DATA, name, value);
420:            }
421:
422:            /**
423:             * Adds a name=value pair to the query string.
424:             *
425:             * @param name A String with the name to add.
426:             * @param value A double with the value to add.
427:             */
428:            public void addQueryData(String name, double value) {
429:                add(QUERY_DATA, name, Double.toString(value));
430:            }
431:
432:            /**
433:             * Adds a name=value pair to the query string.
434:             *
435:             * @param name A String with the name to add.
436:             * @param value An int with the value to add.
437:             */
438:            public void addQueryData(String name, int value) {
439:                add(QUERY_DATA, name, Integer.toString(value));
440:            }
441:
442:            /**
443:             * Adds a name=value pair to the query string.
444:             *
445:             * @param name A String with the name to add.
446:             * @param value A long with the value to add.
447:             */
448:            public void addQueryData(String name, long value) {
449:                add(QUERY_DATA, name, Long.toString(value));
450:            }
451:
452:            /**
453:             * Adds a name=value pair for every entry in a ParameterParser
454:             * object to the query string.
455:             *
456:             * @param pp A ParameterParser.
457:             */
458:            public void addQueryData(ParameterParser pp) {
459:                add(QUERY_DATA, pp);
460:            }
461:
462:            /**
463:             * Adds an existing List of URIParam objects to the query data.
464:             *
465:             * @param list A list with URIParam objects.
466:             */
467:            public void addQueryData(List list) {
468:                add(QUERY_DATA, list);
469:            }
470:
471:            /**
472:             * Is Path Info data set in this URI?
473:             *
474:             * @return true if Path Info has values
475:             */
476:            public boolean hasPathInfo() {
477:                return !dataVectors[PATH_INFO].isEmpty();
478:            }
479:
480:            /**
481:             * Removes all the path info elements.
482:             */
483:            public void removePathInfo() {
484:                dataVectors[PATH_INFO].clear();
485:            }
486:
487:            /**
488:             * Removes a name=value pair from the path info.
489:             *
490:             * @param name A String with the name to be removed.
491:             */
492:            public void removePathInfo(String name) {
493:                remove(PATH_INFO, name);
494:            }
495:
496:            /**
497:             * Is Query data set in this URI?
498:             *
499:             * @return true if Query data has values
500:             */
501:            public boolean hasQueryData() {
502:                return !dataVectors[QUERY_DATA].isEmpty();
503:            }
504:
505:            /**
506:             * Removes all the query string elements.
507:             */
508:            public void removeQueryData() {
509:                dataVectors[QUERY_DATA].clear();
510:            }
511:
512:            /**
513:             * Removes a name=value pair from the query string.
514:             *
515:             * @param name A String with the name to be removed.
516:             */
517:            public void removeQueryData(String name) {
518:                remove(QUERY_DATA, name);
519:            }
520:
521:            /**
522:             * Template Link and friends want to be able to turn the encoding
523:             * of the servlet container off. After calling this method,
524:             * the no encoding will happen any longer. If you think, that you
525:             * need this outside a template context, think again.
526:             */
527:            public void clearResponse() {
528:                setResponse(null);
529:            }
530:
531:            /**
532:             * Builds the URL with all of the data URL-encoded as well as
533:             * encoded using HttpServletResponse.encodeUrl(). The resulting
534:             * URL is absolute; it starts with http/https...
535:             *
536:             * <p>
537:             * <code><pre>
538:             * TurbineURI tui = new TurbineURI (data, "UserScreen");
539:             * tui.addPathInfo("user","jon");
540:             * tui.getAbsoluteLink();
541:             * </pre></code>
542:             *
543:             *  The above call to absoluteLink() would return the String:
544:             *
545:             * <p>
546:             * http://www.server.com/servlets/Turbine/screen/UserScreen/user/jon
547:             *
548:             * @return A String with the built URL.
549:             */
550:            public String getAbsoluteLink() {
551:                StringBuffer output = new StringBuffer();
552:
553:                getSchemeAndPort(output);
554:
555:                buildRelativeLink(output);
556:
557:                //
558:                // Encode Response does all the fixup for the Servlet Container
559:                //
560:                return encodeResponse(output.toString());
561:            }
562:
563:            /**
564:             * Builds the URL with all of the data URL-encoded as well as
565:             * encoded using HttpServletResponse.encodeUrl(). The resulting
566:             * URL is relative to the webserver root.
567:             *
568:             * <p>
569:             * <code><pre>
570:             * TurbineURI tui = new TurbineURI (data, "UserScreen");
571:             * tui.addPathInfo("user","jon");
572:             * tui.getRelativeLink();
573:             * </pre></code>
574:             *
575:             *  The above call to relativeLink() would return the String:
576:             *
577:             * <p>
578:             * /servlets/Turbine/screen/UserScreen/user/jon
579:             *
580:             * @return A String with the built URL.
581:             */
582:            public String getRelativeLink() {
583:                StringBuffer output = new StringBuffer();
584:
585:                buildRelativeLink(output);
586:
587:                //
588:                // Encode Response does all the fixup for the Servlet Container
589:                //
590:                return encodeResponse(output.toString());
591:            }
592:
593:            /**
594:             * Add everything needed for a relative link to the passed StringBuffer.
595:             *
596:             * @param output A Stringbuffer
597:             */
598:            private void buildRelativeLink(StringBuffer output) {
599:                getContextAndScript(output);
600:
601:                if (hasPathInfo()) {
602:                    output.append('/');
603:                    getPathInfoAsString(output);
604:                }
605:
606:                if (hasReference()) {
607:                    output.append('#');
608:                    output.append(getReference());
609:                }
610:
611:                if (hasQueryData()) {
612:                    output.append('?');
613:                    getQueryDataAsString(output);
614:                }
615:            }
616:
617:            /**
618:             * Gets the current Query Data List.
619:             *
620:             * @return A List which contains all query data keys. The keys
621:             * are URIParam objects.
622:             */
623:            public List getPathInfo() {
624:                return dataVectors[PATH_INFO];
625:            }
626:
627:            /**
628:             * Sets the Query Data List. Replaces the current query data list
629:             * with the one supplied. The list must contain only URIParam
630:             * objects!
631:             *
632:             * @param pathInfo A List with new param objects.
633:             */
634:
635:            public void setPathInfo(List pathInfo) {
636:                dataVectors[PATH_INFO] = pathInfo;
637:            }
638:
639:            /**
640:             * Gets the current Query Data List.
641:             *
642:             * @return A List which contains all query data keys. The keys
643:             * are URIParam objects.
644:             */
645:            public List getQueryData() {
646:                return dataVectors[QUERY_DATA];
647:            }
648:
649:            /**
650:             * Sets the Query Data List. Replaces the current query data list
651:             * with the one supplied. The list must contain only URIParam
652:             * objects!
653:             *
654:             * @param queryData A List with new param objects.
655:             */
656:
657:            public void setQueryData(List queryData) {
658:                dataVectors[QUERY_DATA] = queryData;
659:            }
660:
661:            /**
662:             * Simply calls getAbsoluteLink(). You should not use this in your
663:             * code unless you have to. Use getAbsoluteLink.
664:             *
665:             * @return This URI as a String
666:             *
667:             */
668:            public String toString() {
669:                return getAbsoluteLink();
670:            }
671:
672:            /*
673:             * ========================================================================
674:             *
675:             * Protected / Private Methods
676:             *
677:             * ========================================================================
678:             *
679:             */
680:
681:            /**
682:             * Returns the Path Info data as a String.
683:             *
684:             * @param output The StringBuffer that should hold the path info.
685:             */
686:            private void getPathInfoAsString(StringBuffer output) {
687:                doEncode(output, dataVectors[PATH_INFO], '/', '/');
688:            }
689:
690:            /**
691:             * Returns the Query data as a String.
692:             *
693:             * @param output The StringBuffer that should hold the query data.
694:             */
695:            private void getQueryDataAsString(StringBuffer output) {
696:                doEncode(output, dataVectors[QUERY_DATA], '&', '=');
697:            }
698:
699:            /**
700:             * Does the actual encoding for pathInfoAsString and queryDataAsString.
701:             *
702:             * @param output The Stringbuffer that should contain the information.
703:             * @param list A Collection
704:             * @param fieldDelim A char which is used to separate key/value pairs
705:             * @param valueDelim A char which is used to separate key and value
706:             */
707:            private void doEncode(StringBuffer output, Collection list,
708:                    char fieldDelim, char valueDelim) {
709:                if (!list.isEmpty()) {
710:                    for (Iterator it = list.iterator(); it.hasNext();) {
711:                        URIParam uriParam = (URIParam) it.next();
712:                        String key = URLEncoder.encode(uriParam.getKey());
713:                        String val = null == uriParam.getValue() ? null
714:                                : String.valueOf(uriParam.getValue());
715:
716:                        output.append(key);
717:                        output.append(valueDelim);
718:
719:                        if (StringUtils.isEmpty(val)) {
720:                            if (val == null) {
721:                                if (log.isWarnEnabled()) {
722:                                    log.warn("Found a null value for " + key);
723:                                }
724:                                // For backwards compatibility:
725:                                val = "null";
726:                            }
727:                            output.append(val);
728:                        } else {
729:                            output.append(URLEncoder.encode(val));
730:                        }
731:
732:                        if (it.hasNext()) {
733:                            output.append(fieldDelim);
734:                        }
735:                    }
736:                }
737:            }
738:
739:            /**
740:             * If the type is PATH_INFO, then add name/value to the pathInfo
741:             * hashtable.
742:             * <p>
743:             * If the type is QUERY_DATA, then add name/value to the queryData
744:             * hashtable.
745:             *
746:             * @param type Type (PATH_INFO or QUERY_DATA) of insertion.
747:             * @param name A String with the name to add.
748:             * @param value A String with the value to add.
749:             */
750:            protected void add(int type, String name, String value) {
751:                URIParam uriParam = new URIParam(ParserUtils
752:                        .convertAndTrim(name), value);
753:
754:                dataVectors[type].add(uriParam); // Code so clean you can eat from...
755:            }
756:
757:            /**
758:             * Method for a quick way to add all the parameters in a
759:             * ParameterParser.
760:             *
761:             * <p>If the type is P (0), then add name/value to the pathInfo
762:             * hashtable.
763:             *
764:             * <p>If the type is Q (1), then add name/value to the queryData
765:             * hashtable.
766:             *
767:             * @param type Type of insertion (@see #add(char type, String name, String value))
768:             * @param pp A ParameterParser.
769:             */
770:            protected void add(int type, ParameterParser pp) {
771:                for (Iterator it = pp.keySet().iterator(); it.hasNext();) {
772:                    String key = (String) it.next();
773:
774:                    if (!key.equalsIgnoreCase(CGI_ACTION_PARAM)
775:                            && !key.equalsIgnoreCase(CGI_SCREEN_PARAM)) {
776:                        String[] values = pp.getStrings(key);
777:                        if (values != null) {
778:                            for (int i = 0; i < values.length; i++) {
779:                                add(type, key, values[i]);
780:                            }
781:                        } else {
782:                            add(type, key, "");
783:                        }
784:                    }
785:                }
786:            }
787:
788:            /**
789:             * Method for a quick way to add all the parameters in a
790:             * List with URIParam objects.
791:             *
792:             * <p>If the type is P (0), then add name/value to the pathInfo
793:             * hashtable.
794:             *
795:             * <p>If the type is Q (1), then add name/value to the queryData
796:             * hashtable.
797:             *
798:             * @param type Type of insertion (@see #add(char type, String name, String value))
799:             * @param list A List of URIParam objects
800:             */
801:            protected void add(int type, List list) {
802:                for (Iterator it = list.iterator(); it.hasNext();) {
803:                    // Strictly spoken we don't need this cast. But if we do,
804:                    // we get class cast right here is someone tries to put
805:                    // a list with wrong objects into this method.
806:                    URIParam uriParam = (URIParam) it.next();
807:                    dataVectors[type].add(uriParam);
808:                }
809:            }
810:
811:            /**
812:             * If the type is P (0), then remove name/value from the
813:             * pathInfo hashtable.
814:             *
815:             * <p>If the type is Q (1), then remove name/value from the
816:             * queryData hashtable.
817:             *
818:             * @param type Type (P or Q) of removal.
819:             * @param name A String with the name to be removed.
820:             */
821:            protected void remove(int type, String name) {
822:                Collection c = dataVectors[type];
823:                String key = ParserUtils.convertAndTrim(name);
824:
825:                for (Iterator it = c.iterator(); it.hasNext();) {
826:                    URIParam uriParam = (URIParam) it.next();
827:
828:                    if (key.equals(uriParam.getKey())) {
829:                        it.remove();
830:                    }
831:                }
832:            }
833:        }
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