Source Code Cross Referenced for PDDocument.java in  » PDF » jPod » de » intarsys » pdf » pd » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » PDF » jPod » de.intarsys.pdf.pd 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 2007, intarsys consulting GmbH
003:         *
004:         * Redistribution and use in source and binary forms, with or without
005:         * modification, are permitted provided that the following conditions are met:
006:         *
007:         * - Redistributions of source code must retain the above copyright notice,
008:         *   this list of conditions and the following disclaimer.
009:         *
010:         * - Redistributions in binary form must reproduce the above copyright notice,
011:         *   this list of conditions and the following disclaimer in the documentation
012:         *   and/or other materials provided with the distribution.
013:         *
014:         * - Neither the name of intarsys nor the names of its contributors may be used
015:         *   to endorse or promote products derived from this software without specific
016:         *   prior written permission.
017:         *
018:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
019:         * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
020:         * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
021:         * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
022:         * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
023:         * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
024:         * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
025:         * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
026:         * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
027:         * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
028:         * POSSIBILITY OF SUCH DAMAGE.
029:         */
030:        package de.intarsys.pdf.pd;
031:
032:        import java.io.IOException;
033:        import java.util.ArrayList;
034:        import java.util.HashMap;
035:        import java.util.HashSet;
036:        import java.util.Iterator;
037:        import java.util.List;
038:        import java.util.Map;
039:        import java.util.Set;
040:
041:        import de.intarsys.pdf.cds.CDSDate;
042:        import de.intarsys.pdf.cds.CDSNameTreeNode;
043:        import de.intarsys.pdf.cos.COSArray;
044:        import de.intarsys.pdf.cos.COSBasedObject;
045:        import de.intarsys.pdf.cos.COSCatalog;
046:        import de.intarsys.pdf.cos.COSDictionary;
047:        import de.intarsys.pdf.cos.COSDocument;
048:        import de.intarsys.pdf.cos.COSInfoDict;
049:        import de.intarsys.pdf.cos.COSName;
050:        import de.intarsys.pdf.cos.COSObject;
051:        import de.intarsys.pdf.cos.COSRuntimeException;
052:        import de.intarsys.pdf.cos.COSStream;
053:        import de.intarsys.pdf.cos.COSString;
054:        import de.intarsys.pdf.crypt.IAccessPermissions;
055:        import de.intarsys.pdf.crypt.ISystemSecurityHandler;
056:        import de.intarsys.pdf.parser.COSLoadError;
057:        import de.intarsys.pdf.parser.COSLoadException;
058:        import de.intarsys.pdf.st.EnumWriteMode;
059:        import de.intarsys.pdf.st.STDocument;
060:        import de.intarsys.tools.attribute.IAttributeSupport;
061:        import de.intarsys.tools.locator.ILocator;
062:        import de.intarsys.tools.locator.ILocatorSupport;
063:
064:        /**
065:         * The PD Level representation of a PDF Document. PD Level objects provide the
066:         * PDF semantics on top of the COS objects.
067:         * 
068:         * <p>
069:         * A PDDocument object should not be shared between threads without thought.
070:         * Some clients may store information along with the PDDocument extensions in a
071:         * non thread safe manner.
072:         * </p>
073:         * 
074:         */
075:        public class PDDocument implements  IAdditionalActionSupport,
076:                IAttributeSupport, ILocatorSupport {
077:            // supported additional action triggers
078:            public static final Set CATALOG_ACTION_TRIGGERS;
079:
080:            public static final COSName DK_OpenAction = COSName
081:                    .constant("OpenAction"); //$NON-NLS-1$
082:
083:            public static final COSName DK_Perms = COSName.constant("Perms"); //$NON-NLS-1$
084:
085:            public static final COSName CN_Perms_DocMDP = COSName
086:                    .constant("DocMDP"); //$NON-NLS-1$
087:
088:            public static final COSName CN_Perms_UR = COSName.constant("UR"); //$NON-NLS-1$
089:
090:            static {
091:                CATALOG_ACTION_TRIGGERS = new HashSet(6);
092:                CATALOG_ACTION_TRIGGERS.add("DC"); //$NON-NLS-1$
093:                CATALOG_ACTION_TRIGGERS.add("WS"); //$NON-NLS-1$
094:                CATALOG_ACTION_TRIGGERS.add("DS"); //$NON-NLS-1$
095:                CATALOG_ACTION_TRIGGERS.add("WP"); //$NON-NLS-1$
096:                CATALOG_ACTION_TRIGGERS.add("DP"); //$NON-NLS-1$
097:            }
098:
099:            /**
100:             * create a pd document based on a cos level object
101:             * 
102:             * @param doc
103:             *            COSDocument to base this PDDocument on
104:             * 
105:             * @return A new PDDocument object.
106:             * @throws COSLoadException
107:             */
108:            public static PDDocument createFromCos(COSDocument doc)
109:                    throws COSLoadException {
110:                PDDocument result = (PDDocument) doc
111:                        .getAttribute(PDDocument.class);
112:                if (result == null) {
113:                    result = new PDDocument(doc);
114:                    result.initializeFromCos();
115:                    result.checkConsistency();
116:                    doc.setAttribute(PDDocument.class, result);
117:                }
118:                return result;
119:            }
120:
121:            public static PDDocument createFromLocator(ILocator locator)
122:                    throws IOException, COSLoadException {
123:                return createFromCos(COSDocument.createFromLocator(locator));
124:            }
125:
126:            /**
127:             * create a PDDocument from scratch
128:             * 
129:             * @return A new PDDocument.
130:             */
131:            public static PDDocument createNew() {
132:                PDDocument result = new PDDocument();
133:                result.initializeFromScratch();
134:                result.setAttribute(PDDocument.class, result);
135:                return result;
136:            }
137:
138:            // some low level cos representations
139:            // the underlying COSDocument object
140:            private COSDocument cosDoc;
141:
142:            protected PDDocument() {
143:                this (COSDocument.createNew());
144:            }
145:
146:            /**
147:             * PDDocument constructor.
148:             * 
149:             * @param newDoc
150:             *            The COS document representing the receiver.
151:             */
152:            protected PDDocument(COSDocument newDoc) {
153:                super ();
154:                cosDoc = newDoc;
155:            }
156:
157:            /*
158:             * (non-Javadoc)
159:             * 
160:             * @see de.intarsys.pdf.pd.IActionContainer#addAction(de.intarsys.pdf.pd.PDAction)
161:             */
162:            public void addAction(PDAction action) {
163:                addOpenAction(action);
164:            }
165:
166:            /**
167:             * Add a {@link PDAction} to be exceuted when this is opened.
168:             * 
169:             * @param newAction
170:             *            The new {@link PDAction}
171:             */
172:            public void addOpenAction(PDAction newAction) {
173:                if (newAction == null) {
174:                    return;
175:                }
176:                if (getOpenAction() != null) {
177:                    getOpenAction().addNext(newAction);
178:                } else {
179:                    setOpenAction(newAction);
180:                }
181:            }
182:
183:            /**
184:             * Add a page object to this documents root page tree.
185:             * 
186:             * @param newNode
187:             *            The page to be added
188:             */
189:            public void addPageNode(PDPageNode newNode) {
190:                getPageTree().addNode(newNode);
191:            }
192:
193:            /**
194:             * Add a page object to this document after the designated page.
195:             * 
196:             * @param newNode
197:             *            the page to be added
198:             * @param destination
199:             *            The page after the new one is inserted
200:             */
201:            public void addPageNodeAfter(PDPageNode newNode,
202:                    PDPageNode destination) {
203:                if (destination == null) {
204:                    getPageTree().addNode(newNode);
205:                } else {
206:                    destination.getParent().addNodeAfter(newNode, destination);
207:                }
208:            }
209:
210:            protected void checkConsistency() throws COSLoadError {
211:                if (getCatalog() == null) {
212:                    throw new COSLoadError("Catalog missing"); //$NON-NLS-1$
213:                }
214:                if (getPageTree() == null) {
215:                    throw new COSLoadError("Page tree missing"); //$NON-NLS-1$
216:                }
217:            }
218:
219:            /**
220:             * Close the document. Accessing a documents content is undefined after
221:             * <code>close</code>.
222:             * 
223:             * @throws IOException
224:             */
225:            public void close() throws IOException {
226:                cosDoc.close();
227:            }
228:
229:            protected void collectAnnotations(List result) {
230:                getPageTree().collectAnnotations(result);
231:            }
232:
233:            /**
234:             * Make a deep copy of the receiver.
235:             * 
236:             * @return the object copied recursively
237:             */
238:            public PDDocument copyDeep() {
239:                try {
240:                    return PDDocument.createFromCos(cosGetDoc().copyDeep());
241:                } catch (COSLoadException e) {
242:                    throw new COSRuntimeException(e);
243:                }
244:            }
245:
246:            /**
247:             * The COS level implementation of the document
248:             * 
249:             * @return The underlying COSDocument
250:             */
251:            public COSDocument cosGetDoc() {
252:                return cosDoc;
253:            }
254:
255:            /**
256:             * The permissions dictionary of the document.
257:             * 
258:             * @return The permissions dictionary of the document.
259:             */
260:            public COSDictionary cosGetPermissionsDict() {
261:                COSCatalog catalog = getCatalog();
262:                if (catalog == null) {
263:                    return null;
264:                }
265:                return catalog.cosGetField(DK_Perms).asDictionary();
266:            }
267:
268:            /**
269:             * The piece info dictionary of the document.
270:             * 
271:             * @return The piece info dictionary of the document.
272:             */
273:            public COSDictionary cosGetPieceInfoDict() {
274:                COSCatalog catalog = getCatalog();
275:                if (catalog == null) {
276:                    return null;
277:                }
278:                return catalog.cosGetField(COSCatalog.DK_PieceInfo)
279:                        .asDictionary();
280:            }
281:
282:            /**
283:             * The uri dictionary of the document.
284:             * 
285:             * @return The uri dictionary of the document.
286:             */
287:            public COSDictionary cosGetURI() {
288:                COSCatalog catalog = getCatalog();
289:                if (catalog == null) {
290:                    return null;
291:                }
292:                return catalog.cosGetField(COSCatalog.DK_URI).asDictionary();
293:            }
294:
295:            /**
296:             * Set the permissions dictionary of the document.
297:             * 
298:             * @param permsDict
299:             *            the new permission dictionary
300:             */
301:            public void cosSetPermissionsDict(COSDictionary permsDict) {
302:                COSCatalog catalog = getCatalog();
303:                if (catalog == null) {
304:                    return;
305:                }
306:                permsDict.beIndirect();
307:                catalog.cosSetField(DK_Perms, permsDict);
308:            }
309:
310:            /**
311:             * Set the piece info dictionary of the document.
312:             * 
313:             * @param dict
314:             *            the new piece info dictionary
315:             */
316:            public void cosSetPieceInfoDict(COSDictionary dict) {
317:                COSCatalog catalog = getCatalog();
318:                if (catalog == null) {
319:                    return;
320:                }
321:                dict.beIndirect();
322:                catalog.cosSetField(COSCatalog.DK_PieceInfo, dict);
323:            }
324:
325:            /**
326:             * create an AcroForm in a PDF Document.
327:             * 
328:             * @return the acro form just created
329:             * 
330:             * @throws IllegalStateException
331:             */
332:            public PDAcroForm createAcroForm() {
333:                if (getAcroForm() != null) {
334:                    throw new IllegalStateException(
335:                            "AcroForm already available"); //$NON-NLS-1$
336:                }
337:                PDAcroForm acroForm = (PDAcroForm) PDAcroForm.META.createNew();
338:                PDResources formResources = (PDResources) PDResources.META
339:                        .createNew();
340:                acroForm.setDefaultResources(formResources);
341:                setAcroForm(acroForm);
342:                return acroForm;
343:            }
344:
345:            /**
346:             * create a new page tree for this document. tha page tree must still be
347:             * added to the document or a page tree to get visible.
348:             * 
349:             * @return the PDPageTree created
350:             */
351:            public PDPageTree createPageTree() {
352:                PDPageTree result = (PDPageTree) PDPageTree.META.createNew();
353:                return result;
354:            }
355:
356:            /**
357:             * Simple delegate to COSDocument.getAccessPermissions()
358:             * 
359:             * @return document access permissions
360:             */
361:            public IAccessPermissions getAccessPermissions() {
362:                return cosGetDoc().getAccessPermissions();
363:            }
364:
365:            /**
366:             * read an AcroForm from a PDF Document. return null if no AcroForm is
367:             * available.
368:             * 
369:             * @return the acro form of the document or null
370:             */
371:            public PDAcroForm getAcroForm() {
372:                COSCatalog catalog = getCatalog();
373:                if (catalog == null) {
374:                    return null;
375:                }
376:                return (PDAcroForm) PDAcroForm.META.createFromCos(catalog
377:                        .cosGetField(COSCatalog.DK_AcroForm));
378:            }
379:
380:            public PDAdditionalActions getAdditionalActions() {
381:                COSDictionary aa = null;
382:                COSCatalog catalog = getCatalog();
383:                if (catalog != null) {
384:                    aa = catalog.cosGetField(DK_AA).asDictionary();
385:                }
386:                return (PDAdditionalActions) PDAdditionalActions.META
387:                        .createFromCos(aa);
388:            }
389:
390:            public List getAnnotations() {
391:                List result = new ArrayList();
392:                collectAnnotations(result);
393:                return result;
394:            }
395:
396:            public PDApplicationData getApplicationData(String name) {
397:                COSDictionary pid = cosGetPieceInfoDict();
398:                if (pid == null) {
399:                    return null;
400:                }
401:                COSName cosName = COSName.create(name);
402:                COSDictionary pi = pid.get(cosName).asDictionary();
403:                if (pi == null) {
404:                    return null;
405:                }
406:                return (PDApplicationData) PDApplicationData.META
407:                        .createFromCos(pi);
408:            }
409:
410:            /*
411:             * (non-Javadoc)
412:             * 
413:             * @see de.intarsys.tools.component.IAttributeSupport#getAttribute(java.lang.Object)
414:             */
415:            public Object getAttribute(Object key) {
416:                return cosDoc.getAttribute(key);
417:            }
418:
419:            public String getAuthor() {
420:                return getDocumentInfoString(COSInfoDict.DK_Author);
421:            }
422:
423:            /**
424:             * lookup the catalog dictionary in a document
425:             * 
426:             * @return the document catalog object
427:             */
428:            public COSCatalog getCatalog() {
429:                return cosGetDoc().getCatalog();
430:            }
431:
432:            public CDSDate getCreationDate() {
433:                if (getInfoDict() == null) {
434:                    return null;
435:                }
436:                return getInfoDict().getCreationDate();
437:            }
438:
439:            public String getCreationDateString() {
440:                return getDocumentInfoString(COSInfoDict.DK_CreationDate);
441:            }
442:
443:            public String getCreator() {
444:                return getDocumentInfoString(COSInfoDict.DK_Creator);
445:            }
446:
447:            protected String getDocumentInfoString(COSName name) {
448:                COSInfoDict infoDict = cosGetDoc().getInfoDict();
449:                if (infoDict == null) {
450:                    return null;
451:                }
452:                COSObject obj = infoDict.cosGetField(name);
453:                return obj.isNull() ? null : obj.stringValue();
454:            }
455:
456:            /**
457:             * Get the info dictionary containing metadata.
458:             * 
459:             * @return The info dictionary containing metadata.
460:             */
461:            public COSInfoDict getInfoDict() {
462:                return cosGetDoc().getInfoDict();
463:            }
464:
465:            public String getKeywords() {
466:                return getDocumentInfoString(COSInfoDict.DK_Keywords);
467:            }
468:
469:            public ILocator getLocator() {
470:                return cosDoc.getLocator();
471:            }
472:
473:            public String getMetadata() {
474:                COSCatalog catalog = getCatalog();
475:                if (catalog == null) {
476:                    return null;
477:                }
478:                COSStream metadata = catalog
479:                        .cosGetField(COSCatalog.DK_Metadata).asStream();
480:                if (metadata == null) {
481:                    return null;
482:                }
483:                byte[] bytes = metadata.getEncodedBytes();
484:                return new String(bytes);
485:            }
486:
487:            public CDSDate getModDate() {
488:                if (getInfoDict() == null) {
489:                    return null;
490:                }
491:                return getInfoDict().getModDate();
492:            }
493:
494:            public String getModDateString() {
495:                return getDocumentInfoString(COSInfoDict.DK_ModDate);
496:            }
497:
498:            public String getName() {
499:                return cosDoc.getName();
500:            }
501:
502:            public PDAction getOpenAction() {
503:                COSCatalog catalog = getCatalog();
504:                if (catalog == null) {
505:                    return null;
506:                }
507:
508:                COSObject openAction = catalog.cosGetField(DK_OpenAction);
509:                if (openAction.isNull()) {
510:                    return null;
511:                }
512:                if (openAction instanceof  COSDictionary) {
513:                    return (PDAction) PDAction.META.createFromCos(openAction);
514:                }
515:                if (openAction instanceof  COSArray) {
516:                    return (PDAction) PDActionGoTo.META
517:                            .createFromCos(openAction);
518:                }
519:                return null;
520:            }
521:
522:            public PDOutline getOutline() {
523:                return (PDOutline) PDOutline.META.createFromCos(getCatalog()
524:                        .cosGetOutline());
525:            }
526:
527:            public PDOutputIntent getOutputIntent(COSName oiName) {
528:                List outputIntents = getOutputIntents();
529:                if (outputIntents != null) {
530:                    for (Iterator iter = outputIntents.iterator(); iter
531:                            .hasNext();) {
532:                        PDOutputIntent element = (PDOutputIntent) iter.next();
533:                        COSObject keys = element
534:                                .cosGetField(PDOutputIntent.DK_S);
535:                        if (keys != null) {
536:                            if (keys.equals(oiName)) {
537:                                return element;
538:                            }
539:                        }
540:                    }
541:                }
542:                return null;
543:            }
544:
545:            public List getOutputIntents() {
546:                COSArray oi = null;
547:                COSCatalog catalog = getCatalog();
548:                if (catalog != null) {
549:                    oi = catalog.cosGetField(COSCatalog.DK_OutputIntents)
550:                            .asArray();
551:                    if (oi != null) {
552:                        List result = new ArrayList();
553:                        Iterator i = oi.iterator();
554:                        while (i.hasNext()) {
555:                            COSBasedObject pdObject = PDOutputIntent.META
556:                                    .createFromCos((COSObject) i.next());
557:                            if (pdObject != null) {
558:                                result.add(pdObject);
559:                            }
560:                        }
561:                        return result;
562:                    }
563:                }
564:                return null;
565:            }
566:
567:            /**
568:             * return the documents root page tree
569:             * 
570:             * @return the root page tree of the document
571:             */
572:            public PDPageTree getPageTree() {
573:                return (PDPageTree) PDPageNode.META.createFromCos(getCatalog()
574:                        .cosGetField(COSCatalog.DK_Pages));
575:            }
576:
577:            /**
578:             * Shortcut to a signature dictionary in the document permissions
579:             * dictionary. Valid keys are "DocMDP" and "UR". If the permissions
580:             * dictionary doesn't exist, then null is returned. If no signature
581:             * dictionary under the specified key exists, null is returned.
582:             * 
583:             * @param key
584:             *            key which should be ether "DocMDP" or "UR"
585:             * 
586:             * @return returns a signature dictionary referenced by the specified key or
587:             *         null if ether no permissions dictionary exists or no signature
588:             *         dictionary to the key exists.
589:             */
590:            public PDSignature getPermissions(COSName key) {
591:                COSDictionary perms = cosGetPermissionsDict();
592:                if (perms == null) {
593:                    return null;
594:                }
595:                COSDictionary sigDict = perms.get(key).asDictionary();
596:                if (sigDict == null) {
597:                    return null;
598:                }
599:                return (PDSignature) PDSignature.META.createFromCos(sigDict);
600:            }
601:
602:            public String getProducer() {
603:                return getDocumentInfoString(COSInfoDict.DK_Producer);
604:            }
605:
606:            public String getSubject() {
607:                return getDocumentInfoString(COSInfoDict.DK_Subject);
608:            }
609:
610:            /*
611:             * (non-Javadoc)
612:             * 
613:             * @see de.intarsys.pdf.pd.IAdditionalActionSupport#getSupportedTriggerEvents()
614:             */
615:            public Set getSupportedTriggerEvents() {
616:                return CATALOG_ACTION_TRIGGERS;
617:            }
618:
619:            public String getTitle() {
620:                return getDocumentInfoString(COSInfoDict.DK_Title);
621:            }
622:
623:            public String getTrapped() {
624:                if (getInfoDict() == null) {
625:                    return null;
626:                }
627:                return getInfoDict().getTrapped();
628:            }
629:
630:            /**
631:             * The write mode to be used when the document is written the next time. If
632:             * defined this overrides any hint that is used when saving the document.
633:             * The write mode is reset after each "save".
634:             * 
635:             * @return The write mode to be used when the document is written.
636:             */
637:            public EnumWriteMode getWriteModeHint() {
638:                return cosDoc.getWriteModeHint();
639:            }
640:
641:            /**
642:             * initialize the object when created based on its cos representation
643:             */
644:            protected void initializeFromCos() {
645:                //
646:            }
647:
648:            /**
649:             * initialize the object when created from scratch (in memory)
650:             */
651:            protected void initializeFromScratch() {
652:                PDPageTree pageTree = (PDPageTree) PDPageTree.META.createNew();
653:                cosDoc.getCatalog().cosSetField(COSCatalog.DK_Pages,
654:                        pageTree.cosGetObject());
655:            }
656:
657:            public boolean isDirty() {
658:                return cosDoc.isDirty();
659:            }
660:
661:            /**
662:             * Lookup if this document is encrypted, means it has a security handler.
663:             * 
664:             * @return true if the document has an {@link ISystemSecurityHandler}
665:             */
666:            public boolean isEncrypted() {
667:                return cosDoc.isEncrypted();
668:            }
669:
670:            public boolean isNew() {
671:                return cosDoc.isNew();
672:            }
673:
674:            public boolean isReadOnly() {
675:                return cosDoc.isReadOnly();
676:            }
677:
678:            /**
679:             * <code>true</code> if the document should be saved in an incremental way
680:             * only. This is for example the case when the document contains digital
681:             * signatures.
682:             * 
683:             * @return <code>true</code> if the document should be saved in an
684:             *         incremental way only.
685:             */
686:            public boolean isPreferIncrementalSave() {
687:                // we don't like full save of encrypted documents
688:                if (isEncrypted()) {
689:                    return true;
690:                }
691:                // there is a hint with the form not to do a full save
692:                if (isAppendOnly()) {
693:                    return true;
694:                }
695:                // sometimes the hint is not set - check harder
696:                return isSigned();
697:            }
698:
699:            /**
700:             * <code>true</code> if the document has a flag to prefere incremental
701:             * save.
702:             * 
703:             * @return <code>true</code> if the document should be saved in an
704:             *         incremental way only.
705:             */
706:            public boolean isAppendOnly() {
707:                if (getAcroForm() == null) {
708:                    return false;
709:                }
710:                return getAcroForm().getSigFlags().isAppendOnly();
711:            }
712:
713:            /**
714:             * <code>true</code> if the document contains digital signatures. This
715:             * should be reflected in the SigFlags entry of the form - but who knows...
716:             * 
717:             * @return <code>true</code> if the document contains digital signatures.
718:             * 
719:             */
720:            public boolean isSigned() {
721:                if (getAcroForm() == null) {
722:                    return false;
723:                }
724:                return getAcroForm().isSigned();
725:            }
726:
727:            public COSObject lookupDestination(String name) {
728:                COSCatalog catalog = getCatalog();
729:                COSObject destination = null;
730:                COSDictionary dests = catalog.cosGetDests();
731:                if (dests != null) {
732:                    destination = dests.get(COSName.create(name));
733:                }
734:                if (destination == null) {
735:                    COSDictionary names = catalog.cosGetNames();
736:                    if (names != null) {
737:                        COSDictionary destsDict = names
738:                                .get(COSCatalog.DK_Dests).asDictionary();
739:                        if (destsDict != null) {
740:                            CDSNameTreeNode destsTree = CDSNameTreeNode
741:                                    .createFromCos(destsDict);
742:                            destination = destsTree.get(COSString.create(name));
743:                        }
744:                    }
745:                }
746:                return destination.isNull() ? null : destination;
747:            }
748:
749:            public void removeApplicationData(String name) {
750:                COSDictionary pid = cosGetPieceInfoDict();
751:                if (pid == null) {
752:                    return;
753:                }
754:                COSName cosName = COSName.create(name);
755:                pid.remove(cosName);
756:            }
757:
758:            /*
759:             * (non-Javadoc)
760:             * 
761:             * @see de.intarsys.tools.component.IAttributeSupport#removeAttribute(java.lang.Object)
762:             */
763:            public Object removeAttribute(Object key) {
764:                return cosDoc.removeAttribute(key);
765:            }
766:
767:            public void restore(ILocator locator) throws IOException,
768:                    COSLoadException {
769:                cosGetDoc().restore(locator);
770:            }
771:
772:            public void save() throws IOException {
773:                save(getLocator(), null);
774:            }
775:
776:            public void save(ILocator locator) throws IOException {
777:                save(locator, null);
778:            }
779:
780:            public void save(ILocator locator, Map options) throws IOException {
781:                Map actualOptions = options;
782:                if (actualOptions == null) {
783:                    actualOptions = new HashMap();
784:                }
785:                if (isPreferIncrementalSave()) {
786:                    // request an incremental write if possible
787:                    actualOptions.put(STDocument.OPTION_WRITEMODEHINT,
788:                            EnumWriteMode.INCREMENTAL);
789:                } else {
790:                    EnumWriteMode mode = (EnumWriteMode) actualOptions
791:                            .get(STDocument.OPTION_WRITEMODEHINT);
792:                    if (mode == null || mode.isUndefined()) {
793:                        // we have no write mode predefined
794:                        if ((locator != null) && (locator != getLocator())) {
795:                            // this is "save as..."
796:                            actualOptions.put(STDocument.OPTION_WRITEMODEHINT,
797:                                    EnumWriteMode.FULL);
798:                        }
799:                    }
800:                }
801:                cosDoc.save(locator, actualOptions);
802:            }
803:
804:            /**
805:             * Set AcroForm in PDF Document.
806:             * 
807:             */
808:            public void setAcroForm(PDAcroForm form) {
809:                COSCatalog catalog = getCatalog();
810:                if (catalog == null) {
811:                    return;
812:                }
813:                catalog.setFieldObject(COSCatalog.DK_AcroForm, form);
814:            }
815:
816:            /*
817:             * (non-Javadoc)
818:             * 
819:             * @see de.intarsys.pdf.pd.IAdditionalActionSupport#setActions(de.intarsys.pdf.pd.PDAdditionalActions)
820:             */
821:            public void setAdditionalActions(PDAdditionalActions actions) {
822:                COSCatalog catalog = getCatalog();
823:                if (catalog != null) {
824:                    catalog.setFieldObject(DK_AA, actions);
825:                }
826:            }
827:
828:            public void setApplicationData(String name, PDApplicationData data) {
829:                COSDictionary pid = cosGetPieceInfoDict();
830:                if (pid == null) {
831:                    pid = COSDictionary.create();
832:                    cosSetPieceInfoDict(pid);
833:                }
834:                COSName cosName = COSName.create(name);
835:                if (data == null) {
836:                    pid.remove(cosName);
837:                } else {
838:                    pid.put(cosName, data.cosGetDict());
839:                }
840:            }
841:
842:            /*
843:             * (non-Javadoc)
844:             * 
845:             * @see de.intarsys.tools.component.IAttributeSupport#setAttribute(java.lang.Object,
846:             *      java.lang.Object)
847:             */
848:            public Object setAttribute(Object key, Object o) {
849:                return cosDoc.setAttribute(key, o);
850:            }
851:
852:            public void setAuthor(String value) {
853:                setDocumentInfo(COSInfoDict.DK_Author, value);
854:            }
855:
856:            public void setCreationDateString(String value) {
857:                setDocumentInfo(COSInfoDict.DK_CreationDate, value);
858:            }
859:
860:            public void setCreator(String value) {
861:                setDocumentInfo(COSInfoDict.DK_Creator, value);
862:            }
863:
864:            public void setDocumentInfo(COSName name, String value) {
865:                COSInfoDict infoDict = cosGetDoc().getInfoDict();
866:                if (infoDict == null) {
867:                    infoDict = (COSInfoDict) COSInfoDict.META.createNew();
868:                    cosGetDoc().setInfoDict(infoDict);
869:                }
870:                infoDict.setFieldString(name, value);
871:            }
872:
873:            /**
874:             * Set the info dictionary containing metadata.
875:             * 
876:             * @param infoDict
877:             *            The info dictionary containing metadata.
878:             */
879:            public void setInfoDict(COSInfoDict infoDict) {
880:                cosGetDoc().setInfoDict(infoDict);
881:            }
882:
883:            public void setKeywords(String value) {
884:                setDocumentInfo(COSInfoDict.DK_Keywords, value);
885:            }
886:
887:            public void setModDateString(String value) {
888:                setDocumentInfo(COSInfoDict.DK_ModDate, value);
889:            }
890:
891:            public void setName(String name) {
892:                cosDoc.setName(name);
893:            }
894:
895:            public void setOpenAction(PDAction newAction) {
896:                COSCatalog catalog = getCatalog();
897:                if (catalog == null) {
898:                    return;
899:                }
900:                catalog.setFieldObject(DK_OpenAction, newAction);
901:            }
902:
903:            public void setOutline(PDOutline outline) {
904:                getCatalog().cosSetOutline(outline.cosGetDict());
905:            }
906:
907:            public void setPageTree(PDPageTree newTree) {
908:                getCatalog().setFieldObject(COSCatalog.DK_Pages, newTree);
909:            }
910:
911:            public void setPermissions(COSName name, PDSignature signature) {
912:                COSDictionary perms = cosGetPermissionsDict();
913:                if (perms == null) {
914:                    perms = COSDictionary.create();
915:                    cosSetPermissionsDict(perms);
916:                }
917:                COSDictionary sigDict = signature.cosGetDict();
918:                sigDict.beIndirect();
919:                perms.put(name, sigDict);
920:            }
921:
922:            public void setProducer(String value) {
923:                setDocumentInfo(COSInfoDict.DK_Producer, value);
924:            }
925:
926:            public void setSubject(String value) {
927:                setDocumentInfo(COSInfoDict.DK_Subject, value);
928:            }
929:
930:            public void setTitle(String value) {
931:                setDocumentInfo(COSInfoDict.DK_Title, value);
932:            }
933:
934:            public void setTrapped(String value) {
935:                if (getInfoDict() == null) {
936:                    return;
937:                }
938:                getInfoDict().setTrapped(value);
939:            }
940:
941:            /**
942:             * The write mode to be used when the document is written the next time. If
943:             * defined this overrides any hint that is used when saving the document.
944:             * The write mode is reset after each "save".
945:             * 
946:             * @param writeMode
947:             *            The write mode to be used when the document is written.
948:             */
949:            public void setWriteModeHint(EnumWriteMode writeMode) {
950:                cosDoc.setWriteModeHint(writeMode);
951:            }
952:        }
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