List of usage examples for org.apache.pdfbox.pdmodel PDDocument getDocumentInformation
public PDDocumentInformation getDocumentInformation()
From source file:org.apache.camel.component.fop.FopHelper.java
License:Apache License
public static String getDocumentMetadataValue(PDDocument document, COSName name) { PDDocumentInformation info = document.getDocumentInformation(); return info.getDictionary().getString(name); }
From source file:org.apache.tika.parser.pdf.EnhancedPDFParser.java
License:Apache License
@SuppressWarnings("deprecation") private void extractMetadata(PDDocument document, Metadata metadata) throws TikaException { XMPMetadata xmp = null;/*w ww . j a v a 2 s . c o m*/ XMPSchemaDublinCore dcSchema = null; try { if (document.getDocumentCatalog().getMetadata() != null) { xmp = XMPMetadata.load(document.getDocumentCatalog().getMetadata().exportXMPMetadata()); } if (xmp != null) { dcSchema = xmp.getDublinCoreSchema(); } } catch (IOException e) { //swallow } PDDocumentInformation info = document.getDocumentInformation(); metadata.set(PagedText.N_PAGES, document.getNumberOfPages()); extractMultilingualItems(metadata, TikaCoreProperties.TITLE, info.getTitle(), dcSchema); extractDublinCoreListItems(metadata, TikaCoreProperties.CREATOR, info.getAuthor(), dcSchema); extractDublinCoreListItems(metadata, TikaCoreProperties.CONTRIBUTOR, null, dcSchema); addMetadata(metadata, TikaCoreProperties.CREATOR_TOOL, info.getCreator()); addMetadata(metadata, TikaCoreProperties.KEYWORDS, info.getKeywords()); addMetadata(metadata, "producer", info.getProducer()); extractMultilingualItems(metadata, TikaCoreProperties.DESCRIPTION, null, dcSchema); // TODO: Move to description in Tika 2.0 addMetadata(metadata, TikaCoreProperties.TRANSITION_SUBJECT_TO_OO_SUBJECT, info.getSubject()); addMetadata(metadata, "trapped", info.getTrapped()); // TODO Remove these in Tika 2.0 addMetadata(metadata, "created", info.getCreationDate()); addMetadata(metadata, TikaCoreProperties.CREATED, info.getCreationDate()); Calendar modified = info.getModificationDate(); addMetadata(metadata, Metadata.LAST_MODIFIED, modified); addMetadata(metadata, TikaCoreProperties.MODIFIED, modified); // All remaining metadata is custom // Copy this over as-is List<String> handledMetadata = Arrays.asList("Author", "Creator", "CreationDate", "ModDate", "Keywords", "Producer", "Subject", "Title", "Trapped"); for (COSName key : info.getDictionary().keySet()) { String name = key.getName(); if (!handledMetadata.contains(name)) { addMetadata(metadata, name, info.getDictionary().getDictionaryObject(key)); } } //try to get the various versions //Caveats: // there is currently a fair amount of redundancy // TikaCoreProperties.FORMAT can be multivalued // There are also three potential pdf specific version keys: pdf:PDFVersion, pdfa:PDFVersion, pdf:PDFExtensionVersion metadata.set("pdf:PDFVersion", Float.toString(document.getDocument().getVersion())); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=" + Float.toString(document.getDocument().getVersion())); try { if (xmp != null) { xmp.addXMLNSMapping(XMPSchemaPDFAId.NAMESPACE, XMPSchemaPDFAId.class); XMPSchemaPDFAId pdfaxmp = (XMPSchemaPDFAId) xmp.getSchemaByClass(XMPSchemaPDFAId.class); if (pdfaxmp != null) { metadata.set("pdfaid:part", Integer.toString(pdfaxmp.getPart())); if (pdfaxmp.getConformance() != null) { metadata.set("pdfaid:conformance", pdfaxmp.getConformance()); String version = "A-" + pdfaxmp.getPart() + pdfaxmp.getConformance().toLowerCase(Locale.ROOT); metadata.set("pdfa:PDFVersion", version); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=\"" + version + "\""); } } // TODO WARN if this XMP version is inconsistent with document header version? } } catch (IOException e) { metadata.set(TikaCoreProperties.TIKA_META_PREFIX + "pdf:metadata-xmp-parse-failed", "" + e); } //TODO: Let's try to move this into PDFBox. //Attempt to determine Adobe extension level, if present: COSDictionary root = document.getDocumentCatalog().getCOSObject(); COSDictionary extensions = (COSDictionary) root.getDictionaryObject(COSName.getPDFName("Extensions")); if (extensions != null) { for (COSName extName : extensions.keySet()) { // If it's an Adobe one, interpret it to determine the extension level: if (extName.equals(COSName.getPDFName("ADBE"))) { COSDictionary adobeExt = (COSDictionary) extensions.getDictionaryObject(extName); if (adobeExt != null) { String baseVersion = adobeExt.getNameAsString(COSName.getPDFName("BaseVersion")); int el = adobeExt.getInt(COSName.getPDFName("ExtensionLevel")); //-1 is sentinel value that something went wrong in getInt if (el != -1) { metadata.set("pdf:PDFExtensionVersion", baseVersion + " Adobe Extension Level " + el); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=\"" + baseVersion + " Adobe Extension Level " + el + "\""); } } } else { // WARN that there is an Extension, but it's not Adobe's, and so is a 'new' format'. metadata.set("pdf:foundNonAdobeExtensionName", extName.getName()); } } } }
From source file:org.apache.tika.parser.pdf.PDFParser.java
License:Apache License
private void extractMetadata(PDDocument document, Metadata metadata) throws TikaException { //first extract AccessPermissions AccessPermission ap = document.getCurrentAccessPermission(); metadata.set(AccessPermissions.EXTRACT_FOR_ACCESSIBILITY, Boolean.toString(ap.canExtractForAccessibility())); metadata.set(AccessPermissions.EXTRACT_CONTENT, Boolean.toString(ap.canExtractContent())); metadata.set(AccessPermissions.ASSEMBLE_DOCUMENT, Boolean.toString(ap.canAssembleDocument())); metadata.set(AccessPermissions.FILL_IN_FORM, Boolean.toString(ap.canFillInForm())); metadata.set(AccessPermissions.CAN_MODIFY, Boolean.toString(ap.canModify())); metadata.set(AccessPermissions.CAN_MODIFY_ANNOTATIONS, Boolean.toString(ap.canModifyAnnotations())); metadata.set(AccessPermissions.CAN_PRINT, Boolean.toString(ap.canPrint())); metadata.set(AccessPermissions.CAN_PRINT_DEGRADED, Boolean.toString(ap.canPrintDegraded())); //now go for the XMP org.apache.jempbox.xmp.XMPMetadata xmp = null; XMPSchemaDublinCore dcSchema = null; XMPSchemaMediaManagement mmSchema = null; try {//from w ww . j a v a 2 s. co m if (document.getDocumentCatalog().getMetadata() != null) { xmp = document.getDocumentCatalog().getMetadata().exportXMPMetadata(); } } catch (IOException e) { } if (xmp != null) { try { dcSchema = xmp.getDublinCoreSchema(); } catch (IOException e) { } JempboxExtractor.extractXMPMM(xmp, metadata); } PDDocumentInformation info = document.getDocumentInformation(); metadata.set(PagedText.N_PAGES, document.getNumberOfPages()); extractMultilingualItems(metadata, TikaCoreProperties.TITLE, info.getTitle(), dcSchema); extractDublinCoreListItems(metadata, TikaCoreProperties.CREATOR, info.getAuthor(), dcSchema); extractDublinCoreListItems(metadata, TikaCoreProperties.CONTRIBUTOR, null, dcSchema); addMetadata(metadata, TikaCoreProperties.CREATOR_TOOL, info.getCreator()); addMetadata(metadata, TikaCoreProperties.KEYWORDS, info.getKeywords()); addMetadata(metadata, "producer", info.getProducer()); extractMultilingualItems(metadata, TikaCoreProperties.DESCRIPTION, null, dcSchema); // TODO: Move to description in Tika 2.0 addMetadata(metadata, TikaCoreProperties.TRANSITION_SUBJECT_TO_OO_SUBJECT, info.getSubject()); addMetadata(metadata, "trapped", info.getTrapped()); try { // TODO Remove these in Tika 2.0 addMetadata(metadata, "created", info.getCreationDate()); addMetadata(metadata, TikaCoreProperties.CREATED, info.getCreationDate()); } catch (IOException e) { // Invalid date format, just ignore } try { Calendar modified = info.getModificationDate(); addMetadata(metadata, Metadata.LAST_MODIFIED, modified); addMetadata(metadata, TikaCoreProperties.MODIFIED, modified); } catch (IOException e) { // Invalid date format, just ignore } // All remaining metadata is custom // Copy this over as-is List<String> handledMetadata = Arrays.asList("Author", "Creator", "CreationDate", "ModDate", "Keywords", "Producer", "Subject", "Title", "Trapped"); for (COSName key : info.getDictionary().keySet()) { String name = key.getName(); if (!handledMetadata.contains(name)) { addMetadata(metadata, name, info.getDictionary().getDictionaryObject(key)); } } //try to get the various versions //Caveats: // there is currently a fair amount of redundancy // TikaCoreProperties.FORMAT can be multivalued // There are also three potential pdf specific version keys: pdf:PDFVersion, pdfa:PDFVersion, pdf:PDFExtensionVersion metadata.set("pdf:PDFVersion", Float.toString(document.getDocument().getVersion())); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=" + Float.toString(document.getDocument().getVersion())); try { if (xmp != null) { xmp.addXMLNSMapping(XMPSchemaPDFAId.NAMESPACE, XMPSchemaPDFAId.class); XMPSchemaPDFAId pdfaxmp = (XMPSchemaPDFAId) xmp.getSchemaByClass(XMPSchemaPDFAId.class); if (pdfaxmp != null) { if (pdfaxmp.getPart() != null) { metadata.set("pdfaid:part", Integer.toString(pdfaxmp.getPart())); } if (pdfaxmp.getConformance() != null) { metadata.set("pdfaid:conformance", pdfaxmp.getConformance()); String version = "A-" + pdfaxmp.getPart() + pdfaxmp.getConformance().toLowerCase(Locale.ROOT); metadata.set("pdfa:PDFVersion", version); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=\"" + version + "\""); } } // TODO WARN if this XMP version is inconsistent with document header version? } } catch (IOException e) { metadata.set(TikaCoreProperties.TIKA_META_PREFIX + "pdf:metadata-xmp-parse-failed", "" + e); } //TODO: Let's try to move this into PDFBox. //Attempt to determine Adobe extension level, if present: COSDictionary root = document.getDocumentCatalog().getCOSDictionary(); COSDictionary extensions = (COSDictionary) root.getDictionaryObject(COSName.getPDFName("Extensions")); if (extensions != null) { for (COSName extName : extensions.keySet()) { // If it's an Adobe one, interpret it to determine the extension level: if (extName.equals(COSName.getPDFName("ADBE"))) { COSDictionary adobeExt = (COSDictionary) extensions.getDictionaryObject(extName); if (adobeExt != null) { String baseVersion = adobeExt.getNameAsString(COSName.getPDFName("BaseVersion")); int el = adobeExt.getInt(COSName.getPDFName("ExtensionLevel")); //-1 is sentinel value that something went wrong in getInt if (el != -1) { metadata.set("pdf:PDFExtensionVersion", baseVersion + " Adobe Extension Level " + el); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=\"" + baseVersion + " Adobe Extension Level " + el + "\""); } } } else { // WARN that there is an Extension, but it's not Adobe's, and so is a 'new' format'. metadata.set("pdf:foundNonAdobeExtensionName", extName.getName()); } } } }
From source file:org.apache.tika.parser.pdf.PDFPureJavaParser.java
License:Apache License
private void extractMetadata(PDDocument document, Metadata metadata, ParseContext context) throws TikaException { //first extract AccessPermissions AccessPermission ap = document.getCurrentAccessPermission(); metadata.set(AccessPermissions.EXTRACT_FOR_ACCESSIBILITY, Boolean.toString(ap.canExtractForAccessibility())); metadata.set(AccessPermissions.EXTRACT_CONTENT, Boolean.toString(ap.canExtractContent())); metadata.set(AccessPermissions.ASSEMBLE_DOCUMENT, Boolean.toString(ap.canAssembleDocument())); metadata.set(AccessPermissions.FILL_IN_FORM, Boolean.toString(ap.canFillInForm())); metadata.set(AccessPermissions.CAN_MODIFY, Boolean.toString(ap.canModify())); metadata.set(AccessPermissions.CAN_MODIFY_ANNOTATIONS, Boolean.toString(ap.canModifyAnnotations())); metadata.set(AccessPermissions.CAN_PRINT, Boolean.toString(ap.canPrint())); metadata.set(AccessPermissions.CAN_PRINT_DEGRADED, Boolean.toString(ap.canPrintDegraded())); //now go for the XMP Document dom = loadDOM(document.getDocumentCatalog().getMetadata(), metadata, context); XMPMetadata xmp = null;// www . j a v a 2 s. c o m if (dom != null) { xmp = new XMPMetadata(dom); } XMPSchemaDublinCore dcSchema = null; /*if (xmp != null) { try { dcSchema = xmp.getDublinCoreSchema(); } catch (IOException e) {} JempboxExtractor.extractXMPMM(xmp, metadata); }*/ PDDocumentInformation info = document.getDocumentInformation(); metadata.set(PagedText.N_PAGES, document.getNumberOfPages()); extractMultilingualItems(metadata, TikaCoreProperties.TITLE, info.getTitle(), dcSchema); addMetadata(metadata, PDF.DOC_INFO_TITLE, info.getTitle()); extractDublinCoreListItems(metadata, TikaCoreProperties.CREATOR, info.getAuthor(), dcSchema); addMetadata(metadata, PDF.DOC_INFO_CREATOR, info.getAuthor()); extractDublinCoreListItems(metadata, TikaCoreProperties.CONTRIBUTOR, null, dcSchema); addMetadata(metadata, TikaCoreProperties.CREATOR_TOOL, info.getCreator()); addMetadata(metadata, PDF.DOC_INFO_CREATOR_TOOL, info.getCreator()); addMetadata(metadata, TikaCoreProperties.KEYWORDS, info.getKeywords()); addMetadata(metadata, PDF.DOC_INFO_KEY_WORDS, info.getKeywords()); addMetadata(metadata, "producer", info.getProducer()); addMetadata(metadata, PDF.DOC_INFO_PRODUCER, info.getProducer()); extractMultilingualItems(metadata, TikaCoreProperties.DESCRIPTION, null, dcSchema); addMetadata(metadata, PDF.DOC_INFO_SUBJECT, info.getSubject()); // TODO: Move to description in Tika 2.0 addMetadata(metadata, TikaCoreProperties.TRANSITION_SUBJECT_TO_OO_SUBJECT, info.getSubject()); addMetadata(metadata, "trapped", info.getTrapped()); addMetadata(metadata, PDF.DOC_INFO_TRAPPED, info.getTrapped()); // TODO Remove these in Tika 2.0 addMetadata(metadata, "created", info.getCreationDate()); addMetadata(metadata, PDF.DOC_INFO_CREATED, info.getCreationDate()); addMetadata(metadata, TikaCoreProperties.CREATED, info.getCreationDate()); Calendar modified = info.getModificationDate(); addMetadata(metadata, Metadata.LAST_MODIFIED, modified); addMetadata(metadata, TikaCoreProperties.MODIFIED, modified); addMetadata(metadata, PDF.DOC_INFO_MODIFICATION_DATE, info.getModificationDate()); // All remaining metadata is custom // Copy this over as-is List<String> handledMetadata = Arrays.asList("Author", "Creator", "CreationDate", "ModDate", "Keywords", "Producer", "Subject", "Title", "Trapped"); for (COSName key : info.getCOSObject().keySet()) { String name = key.getName(); if (!handledMetadata.contains(name)) { addMetadata(metadata, name, info.getCOSObject().getDictionaryObject(key)); addMetadata(metadata, PDF.PDF_DOC_INFO_CUSTOM_PREFIX + name, info.getCOSObject().getDictionaryObject(key)); } } //try to get the various versions //Caveats: // there is currently a fair amount of redundancy // TikaCoreProperties.FORMAT can be multivalued // There are also three potential pdf specific version keys: pdf:PDFVersion, pdfa:PDFVersion, pdf:PDFExtensionVersion metadata.set(PDF.PDF_VERSION, Float.toString(document.getDocument().getVersion())); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=" + Float.toString(document.getDocument().getVersion())); try { if (xmp != null) { xmp.addXMLNSMapping(XMPSchemaPDFAId.NAMESPACE, XMPSchemaPDFAId.class); XMPSchemaPDFAId pdfaxmp = (XMPSchemaPDFAId) xmp.getSchemaByClass(XMPSchemaPDFAId.class); if (pdfaxmp != null) { if (pdfaxmp.getPart() != null) { metadata.set(PDF.PDFAID_PART, Integer.toString(pdfaxmp.getPart())); } if (pdfaxmp.getConformance() != null) { metadata.set(PDF.PDFAID_CONFORMANCE, pdfaxmp.getConformance()); String version = "A-" + pdfaxmp.getPart() + pdfaxmp.getConformance().toLowerCase(Locale.ROOT); metadata.set(PDF.PDFA_VERSION, version); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=\"" + version + "\""); } } // TODO WARN if this XMP version is inconsistent with document header version? } } catch (IOException e) { metadata.set(TikaCoreProperties.TIKA_META_PREFIX + "pdf:metadata-xmp-parse-failed", "" + e); } //TODO: Let's try to move this into PDFBox. //Attempt to determine Adobe extension level, if present: COSDictionary root = document.getDocumentCatalog().getCOSObject(); COSDictionary extensions = (COSDictionary) root.getDictionaryObject(COSName.getPDFName("Extensions")); if (extensions != null) { for (COSName extName : extensions.keySet()) { // If it's an Adobe one, interpret it to determine the extension level: if (extName.equals(COSName.getPDFName("ADBE"))) { COSDictionary adobeExt = (COSDictionary) extensions.getDictionaryObject(extName); if (adobeExt != null) { String baseVersion = adobeExt.getNameAsString(COSName.getPDFName("BaseVersion")); int el = adobeExt.getInt(COSName.getPDFName("ExtensionLevel")); //-1 is sentinel value that something went wrong in getInt if (el != -1) { metadata.set(PDF.PDF_EXTENSION_VERSION, baseVersion + " Adobe Extension Level " + el); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=\"" + baseVersion + " Adobe Extension Level " + el + "\""); } } } else { // WARN that there is an Extension, but it's not Adobe's, and so is a 'new' format'. metadata.set("pdf:foundNonAdobeExtensionName", extName.getName()); } } } }
From source file:org.apache.tika.parser.pdf18.PDFParser.java
License:Apache License
private void extractMetadata(PDDocument document, Metadata metadata) throws TikaException { //first extract AccessPermissions AccessPermission ap = document.getCurrentAccessPermission(); metadata.set(AccessPermissions.EXTRACT_FOR_ACCESSIBILITY, Boolean.toString(ap.canExtractForAccessibility())); metadata.set(AccessPermissions.EXTRACT_CONTENT, Boolean.toString(ap.canExtractContent())); metadata.set(AccessPermissions.ASSEMBLE_DOCUMENT, Boolean.toString(ap.canAssembleDocument())); metadata.set(AccessPermissions.FILL_IN_FORM, Boolean.toString(ap.canFillInForm())); metadata.set(AccessPermissions.CAN_MODIFY, Boolean.toString(ap.canModify())); metadata.set(AccessPermissions.CAN_MODIFY_ANNOTATIONS, Boolean.toString(ap.canModifyAnnotations())); metadata.set(AccessPermissions.CAN_PRINT, Boolean.toString(ap.canPrint())); metadata.set(AccessPermissions.CAN_PRINT_DEGRADED, Boolean.toString(ap.canPrintDegraded())); //now go for the XMP org.apache.jempbox.xmp.XMPMetadata xmp = null; XMPSchemaDublinCore dcSchema = null; XMPSchemaMediaManagement mmSchema = null; try {// w ww .j ava 2 s .c o m if (document.getDocumentCatalog().getMetadata() != null) { xmp = document.getDocumentCatalog().getMetadata().exportXMPMetadata(); } } catch (IOException e) { } if (xmp != null) { try { dcSchema = xmp.getDublinCoreSchema(); } catch (IOException e) { } JempboxExtractor.extractXMPMM(xmp, metadata); } PDDocumentInformation info = document.getDocumentInformation(); metadata.set(PagedText.N_PAGES, document.getNumberOfPages()); extractMultilingualItems(metadata, TikaCoreProperties.TITLE, info.getTitle(), dcSchema); extractDublinCoreListItems(metadata, TikaCoreProperties.CREATOR, info.getAuthor(), dcSchema); extractDublinCoreListItems(metadata, TikaCoreProperties.CONTRIBUTOR, null, dcSchema); addMetadata(metadata, TikaCoreProperties.CREATOR_TOOL, info.getCreator()); addMetadata(metadata, TikaCoreProperties.KEYWORDS, info.getKeywords()); addMetadata(metadata, "producer", info.getProducer()); extractMultilingualItems(metadata, TikaCoreProperties.DESCRIPTION, null, dcSchema); // TODO: Move to description in Tika 2.0 addMetadata(metadata, TikaCoreProperties.TRANSITION_SUBJECT_TO_OO_SUBJECT, info.getSubject()); addMetadata(metadata, "trapped", info.getTrapped()); try { // TODO Remove these in Tika 2.0 addMetadata(metadata, "created", info.getCreationDate()); addMetadata(metadata, TikaCoreProperties.CREATED, info.getCreationDate()); } catch (IOException e) { // Invalid date format, just ignore } try { Calendar modified = info.getModificationDate(); addMetadata(metadata, Metadata.LAST_MODIFIED, modified); addMetadata(metadata, TikaCoreProperties.MODIFIED, modified); } catch (IOException e) { // Invalid date format, just ignore } // All remaining metadata is custom // Copy this over as-is List<String> handledMetadata = Arrays.asList("Author", "Creator", "CreationDate", "ModDate", "Keywords", "Producer", "Subject", "Title", "Trapped"); for (COSName key : info.getDictionary().keySet()) { String name = key.getName(); if (!handledMetadata.contains(name)) { addMetadata(metadata, name, info.getDictionary().getDictionaryObject(key)); } } //try to get the various versions //Caveats: // there is currently a fair amount of redundancy // TikaCoreProperties.FORMAT can be multivalued // There are also three potential pdf specific version keys: pdf:PDFVersion, pdfa:PDFVersion, pdf:PDFExtensionVersion metadata.set("pdf:PDFVersion", Float.toString(document.getDocument().getVersion())); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=" + Float.toString(document.getDocument().getVersion())); try { if (xmp != null) { xmp.addXMLNSMapping(XMPSchemaPDFAId.NAMESPACE, XMPSchemaPDFAId.class); XMPSchemaPDFAId pdfaxmp = (XMPSchemaPDFAId) xmp.getSchemaByClass(XMPSchemaPDFAId.class); if (pdfaxmp != null) { if (pdfaxmp.getPart() != null) { metadata.set("pdfaid:part", Integer.toString(pdfaxmp.getPart())); } if (pdfaxmp.getConformance() != null) { metadata.set("pdfaid:conformance", pdfaxmp.getConformance()); String version = "A-" + pdfaxmp.getPart() + pdfaxmp.getConformance().toLowerCase(Locale.ROOT); metadata.set("pdfa:PDFVersion", version); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=\"" + version + "\""); } } // TODO WARN if this XMP version is inconsistent with document header version? } } catch (IOException e) { metadata.set(TikaCoreProperties.TIKA_META_PREFIX + "pdf:metadata-xmp-parse-failed", "" + e); } //TODO: Let's try to move this into PDFBox. //Attempt to determine Adobe extension level, if present: COSDictionary root = document.getDocumentCatalog().getCOSDictionary(); COSDictionary extensions = (COSDictionary) root.getDictionaryObject(COSName.getPDFName("Extensions")); if (extensions != null) { for (COSName extName : extensions.keySet()) { // If it's an Adobe one, interpret it to determine the extension level: if (extName.equals(COSName.getPDFName("ADBE"))) { COSDictionary adobeExt = (COSDictionary) extensions.getDictionaryObject(extName); if (adobeExt != null) { String baseVersion = adobeExt.getNameAsString(COSName.getPDFName("BaseVersion")); int el = adobeExt.getInt(COSName.getPDFName("ExtensionLevel")); //-1 is sentinel value that something went wrong in getInt if (el != -1) { metadata.set("pdf:PDFExtensionVersion", baseVersion + " Adobe Extension Level " + el); metadata.add(TikaCoreProperties.FORMAT.getName(), MEDIA_TYPE.toString() + "; version=\"" + baseVersion + " Adobe Extension Level " + el + "\""); } } } else { // WARN that there is an Extension, but it's not Adobe's, and so is a 'new' format'. metadata.set("pdf:foundNonAdobeExtensionName", extName.getName()); } } } }
From source file:org.codelibs.fess.crawler.extractor.impl.PdfExtractor.java
License:Apache License
private void extractMetadata(final PDDocument document, final ExtractData extractData) { final PDDocumentInformation info = document.getDocumentInformation(); if (info == null) { return;//from www. j av a2s.c o m } for (final String key : info.getMetadataKeys()) { final String value = info.getCustomMetadataValue(key); addMetadata(extractData, key, value); } }
From source file:org.crossref.pdfmark.Main.java
License:Open Source License
public static void writeInfoDictionary(FileInputStream in, String outputFile, byte[] xmp) throws IOException, COSVisitorException { PDFParser parser = new PDFParser(in); parser.parse();//from w w w . jav a 2s . com PDDocument document = parser.getPDDocument(); PDDocumentInformation info = document.getDocumentInformation(); for (Entry<String, String> entry : XmpUtils.toInfo(xmp).entrySet()) { info.setCustomMetadataValue(entry.getKey(), entry.getValue()); } document.setDocumentInformation(info); document.save(outputFile); document.close(); }
From source file:org.deepfs.fsml.xdcr.PDFTransducer.java
@Override public String read(final String path) { PDDocument pd = null; final StringWriter sw = new StringWriter(); final StringBuilder sb = new StringBuilder(128); try {/*from w w w . ja v a 2 s .c o m*/ pd = PDDocument.load(path); PDDocumentInformation info = pd.getDocumentInformation(); PDFTextStripper stripper = new PDFTextStripper(); stripper.setEndPage(NO_PAGES); stripper.writeText(pd, sw); sb.append(keyValue(NS + "title", info.getTitle())); sb.append(keyValue(NS + "subject", info.getSubject())); sb.append(keyValue(NS + "creator", info.getCreator())); sb.append(keyValue(NS + "author", info.getAuthor())); sb.append(keyValue(NS + "producer", info.getProducer())); sb.append(keyValue(NS + "date", info.getCreationDate() != null ? new SimpleDateFormat().format(info.getCreationDate().getTime()) : null)); sb.append(keyValue(NS + "content", sw.getBuffer().toString())); sb.append(keyValue(NS + "keywords", info.getKeywords())); } catch (IOException e) { e.printStackTrace(); } catch (IndexOutOfBoundsException oe) { // [MS] thanks apache pdfbox :-) System.err.println(oe.getMessage()); } return sb.toString(); }
From source file:org.dspace.content.packager.PDFPackager.java
License:BSD License
private void crosswalkPDF(Context context, Item item, InputStream metadata) throws CrosswalkException, IOException, SQLException, AuthorizeException { COSDocument cos = null;//from www.j a va2s. com try { PDFParser parser = new PDFParser(metadata); parser.parse(); cos = parser.getDocument(); // sanity check: PDFBox breaks on encrypted documents, so give up. if (cos.getEncryptionDictionary() != null) { throw new MetadataValidationException("This packager cannot accept an encrypted PDF document."); } /* PDF to DC "crosswalk": * * NOTE: This is not in a crosswalk plugin because (a) it isn't * useful anywhere else, and more importantly, (b) the source * data is not XML so it doesn't fit the plugin's interface. * * pattern of crosswalk -- PDF dict entries to DC: * Title -> title.null * Author -> contributor.author * CreationDate -> date.created * ModDate -> date.created * Creator -> description.provenance (application that created orig) * Producer -> description.provenance (convertor to pdf) * Subject -> description.abstract * Keywords -> subject.other * date is java.util.Calendar */ PDDocument pd = new PDDocument(cos); PDDocumentInformation docinfo = pd.getDocumentInformation(); String title = docinfo.getTitle(); // sanity check: item must have a title. if (title == null) { throw new MetadataValidationException( "This PDF file is unacceptable, it does not have a value for \"Title\" in its Info dictionary."); } if (log.isDebugEnabled()) { log.debug("PDF Info dict title=\"" + title + "\""); } item.addDC("title", null, "en", title); String value = docinfo.getAuthor(); if (value != null) { item.addDC("contributor", "author", null, value); if (log.isDebugEnabled()) { log.debug("PDF Info dict author=\"" + value + "\""); } } value = docinfo.getCreator(); if (value != null) { item.addDC("description", "provenance", "en", "Application that created the original document: " + value); } value = docinfo.getProducer(); if (value != null) { item.addDC("description", "provenance", "en", "Original document converted to PDF by: " + value); } value = docinfo.getSubject(); if (value != null) { item.addDC("description", "abstract", null, value); } value = docinfo.getKeywords(); if (value != null) { item.addDC("subject", "other", null, value); } // Take either CreationDate or ModDate as "date.created", // Too bad there's no place to put "last modified" in the DC. Calendar calValue = docinfo.getCreationDate(); if (calValue == null) { calValue = docinfo.getModificationDate(); } if (calValue != null) { item.addDC("date", "created", null, (new DCDate(calValue.getTime())).toString()); } item.update(); } finally { if (cos != null) { cos.close(); } } }
From source file:org.encuestame.business.search.DataFile.java
License:Apache License
/** * Extract Metadata in PDF Documents./*from w ww .j a v a2 s . c o m*/ * @param pdDoc * @return */ public static AttachmentIndex extractMetadataPDFDocument(final PDDocument pdDoc) { PDDocumentInformation docInfo = pdDoc.getDocumentInformation(); author = docInfo.getAuthor(); title = docInfo.getTitle(); producer = docInfo.getProducer(); subject = docInfo.getSubject(); AttachmentIndex attachmentMetadata = IndexerFile.addMetadatatoBean(author, title, producer, subject); return attachmentMetadata; }