List of usage examples for org.apache.pdfbox.pdmodel PDDocumentInformation getSubject
public String getSubject()
From source file:org.pdfsam.pdf.DefaultPDFBoxLoader.java
License:Open Source License
public void accept(PDDocument document, PdfDocumentDescriptor descriptor) { descriptor.pages(document.getNumberOfPages()); descriptor.setVersion(getVersion(Float.toString(document.getVersion()))); PDDocumentInformation info = document.getDocumentInformation(); descriptor.putInformation(PdfMetadataKey.TITLE.getKey(), info.getTitle()); descriptor.putInformation(PdfMetadataKey.AUTHOR.getKey(), info.getAuthor()); descriptor.putInformation(PdfMetadataKey.CREATOR.getKey(), info.getCreator()); descriptor.putInformation(PdfMetadataKey.SUBJECT.getKey(), info.getSubject()); descriptor.putInformation(PdfMetadataKey.KEYWORDS.getKey(), info.getKeywords()); descriptor.putInformation("Producer", info.getProducer()); Optional.ofNullable(info.getCreationDate()).map(FORMATTER::format) .ifPresent(c -> descriptor.putInformation("FormattedCreationDate", c)); }
From source file:org.wandora.application.tools.extractors.files.SimpleDocumentExtractor.java
License:Open Source License
public void _extractTopicsFromStream(String locator, InputStream inputStream, TopicMap topicMap, Topic topic) { try {/*from ww w . j ava 2s . com*/ String name = locator; if (name.indexOf("/") != -1) { name = name.substring(name.lastIndexOf("/") + 1); } else if (name.indexOf("\\") != -1) { name = name.substring(name.lastIndexOf("\\") + 1); } String lowerCaseLocator = locator.toLowerCase(); // --- HANDLE PDF ENRICHMENT TEXT --- if (lowerCaseLocator.endsWith("pdf")) { PDDocument doc = PDDocument.load(locator); PDDocumentInformation info = doc.getDocumentInformation(); DateFormat dateFormatter = new SimpleDateFormat(DEFAULT_DATE_FORMAT); // --- PDF PRODUCER --- String producer = info.getProducer(); if (producer != null && producer.length() > 0) { Topic producerType = createTopic(topicMap, "pdf-producer"); setData(topic, producerType, defaultLang, producer.trim()); } // --- PDF MODIFICATION DATE --- Calendar mCal = info.getModificationDate(); if (mCal != null) { String mdate = dateFormatter.format(mCal.getTime()); if (mdate != null && mdate.length() > 0) { Topic modificationDateType = createTopic(topicMap, "pdf-modification-date"); setData(topic, modificationDateType, defaultLang, mdate.trim()); } } // --- PDF CREATOR --- String creator = info.getCreator(); if (creator != null && creator.length() > 0) { Topic creatorType = createTopic(topicMap, "pdf-creator"); setData(topic, creatorType, defaultLang, creator.trim()); } // --- PDF CREATION DATE --- Calendar cCal = info.getCreationDate(); if (cCal != null) { String cdate = dateFormatter.format(cCal.getTime()); if (cdate != null && cdate.length() > 0) { Topic creationDateType = createTopic(topicMap, "pdf-creation-date"); setData(topic, creationDateType, defaultLang, cdate.trim()); } } // --- PDF AUTHOR --- String author = info.getAuthor(); if (author != null && author.length() > 0) { Topic authorType = createTopic(topicMap, "pdf-author"); setData(topic, authorType, defaultLang, author.trim()); } // --- PDF SUBJECT --- String subject = info.getSubject(); if (subject != null && subject.length() > 0) { Topic subjectType = createTopic(topicMap, "pdf-subject"); setData(topic, subjectType, defaultLang, subject.trim()); } // --- PDF TITLE --- String title = info.getSubject(); if (title != null && title.length() > 0) { Topic titleType = createTopic(topicMap, "pdf-title"); setData(topic, titleType, defaultLang, title.trim()); } // --- PDF KEYWORDS (SEPARATED WITH SEMICOLON) --- String keywords = info.getKeywords(); if (keywords != null && keywords.length() > 0) { Topic keywordType = createTopic(topicMap, "pdf-keyword"); String[] keywordArray = keywords.split(";"); String keyword = null; for (int i = 0; i < keywordArray.length; i++) { keyword = Textbox.trimExtraSpaces(keywordArray[i]); if (keyword != null && keyword.length() > 0) { Topic keywordTopic = createTopic(topicMap, keyword, keywordType); createAssociation(topicMap, keywordType, new Topic[] { topic, keywordTopic }); } } } // --- PDF TEXT CONTENT --- PDFTextStripper stripper = new PDFTextStripper(); String content = stripper.getText(doc); doc.close(); setTextEnrichment(topic, topicMap, content, name); } // --- HANDLE RTF DOCUMENTS --- else if (lowerCaseLocator.endsWith("rtf")) { String content = Textbox.RTF2PlainText(inputStream); setTextEnrichment(topic, topicMap, content, name); } // --- HANDLE OFFICE DOCUMENTS --- else if (lowerCaseLocator.endsWith("doc") || lowerCaseLocator.endsWith("docx") || lowerCaseLocator.endsWith("ppt") || lowerCaseLocator.endsWith("xls") || lowerCaseLocator.endsWith("vsd")) { String content = MSOfficeBox.getText(inputStream); if (content != null) { setTextEnrichment(topic, topicMap, content, name); } } else if (lowerCaseLocator.endsWith("odt") || lowerCaseLocator.endsWith("odp") || lowerCaseLocator.endsWith("odg") || lowerCaseLocator.endsWith("ods")) { org.odftoolkit.simple.Document oodocument = org.odftoolkit.simple.Document .loadDocument(inputStream); String content = OpenOfficeBox.getText(oodocument); setTextEnrichment(topic, topicMap, content, name); org.odftoolkit.simple.meta.Meta meta = oodocument.getOfficeMetadata(); // --- OO KEYWORDS --- List<String> keywords = meta.getKeywords(); if (keywords != null && !keywords.isEmpty()) { Topic keywordType = createTopic(topicMap, "oo-keyword"); for (String keyword : keywords) { keyword = keyword.trim(); if (keyword != null && keyword.length() > 0) { Topic keywordTopic = createTopic(topicMap, keyword, keywordType); createAssociation(topicMap, keywordType, new Topic[] { topic, keywordTopic }); } } } // --- OO TITLE --- String title = meta.getTitle(); if (title != null && title.length() > 0) { Topic titleType = createTopic(topicMap, "oo-title"); setData(topic, titleType, defaultLang, title.trim()); } // --- OO SUBJECT --- String subject = meta.getSubject(); if (subject != null && subject.length() > 0) { Topic subjectType = createTopic(topicMap, "oo-subject"); setData(topic, subjectType, defaultLang, subject.trim()); } // --- OO CREATOR --- String author = meta.getCreator(); if (author != null && author.length() > 0) { Topic authorType = createTopic(topicMap, "oo-author"); setData(topic, authorType, defaultLang, author.trim()); } // --- OO CREATION DATE --- Calendar cCal = meta.getCreationDate(); if (cCal != null) { DateFormat dateFormatter = new SimpleDateFormat(DEFAULT_DATE_FORMAT); String cdate = dateFormatter.format(cCal.getTime()); if (cdate != null && cdate.length() > 0) { Topic creationDateType = createTopic(topicMap, "oo-creation-date"); setData(topic, creationDateType, defaultLang, cdate.trim()); } } // --- OO DESCRIPTION --- String description = meta.getDescription(); if (description != null && description.length() > 0) { Topic descriptionType = createTopic(topicMap, "oo-description"); setData(topic, descriptionType, defaultLang, description.trim()); } // --- OO GENERATOR --- String generator = meta.getGenerator(); if (generator != null && generator.length() > 0) { Topic generatorType = createTopic(topicMap, "oo-generator"); setData(topic, generatorType, defaultLang, generator.trim()); } } else if (lowerCaseLocator.endsWith("html") || lowerCaseLocator.endsWith("htm")) { String content = IObox.loadFile(new InputStreamReader(inputStream)); setTextEnrichment(topic, topicMap, content, name); } else if (lowerCaseLocator.endsWith("txt") || lowerCaseLocator.endsWith("text")) { String content = IObox.loadFile(new InputStreamReader(inputStream)); setTextEnrichment(topic, topicMap, content, name); } // --- HANDLE ANY OTHER DOCUMENTS --- else { byte[] content = IObox.loadBFile(inputStream); String mimeType = ""; MimeUtil.registerMimeDetector("eu.medsea.mimeutil.detector.MagicMimeMimeDetector"); Collection<MimeType> mimeTypes = new ArrayList(); if (locator != null) { if (MimeTypes.getMimeType(locator) != null) { mimeTypes.add(new MimeType(MimeTypes.getMimeType(locator))); } mimeTypes.addAll(MimeUtil.getMimeTypes(locator)); } mimeTypes.addAll(MimeUtil.getMimeTypes(content)); boolean isText = false; for (MimeType mime : mimeTypes) { if (MimeUtil.isTextMimeType(mime)) { isText = true; break; } } if (isText) { setTextEnrichment(topic, topicMap, new String(content), name); } else { if (!mimeTypes.isEmpty()) { MimeType mime = mimeTypes.iterator().next(); mimeType = mime.toString(); } setBinaryEnrichment(topic, topicMap, content, mimeType); } } } catch (Exception e) { log(e); } }
From source file:org.wandora.application.tools.extractors.files.SimplePDFExtractor.java
License:Open Source License
public void _extractTopicsFromStream(String locator, InputStream inputStream, TopicMap topicMap, Topic pdfTopic) {/*from w w w . j av a 2s . com*/ PDDocument doc = null; try { if (locator.startsWith("http://")) { doc = PDDocument.load(new URL(locator)); } else { doc = PDDocument.load(new File(locator)); } PDDocumentInformation info = doc.getDocumentInformation(); DateFormat dateFormatter = new SimpleDateFormat(DEFAULT_DATE_FORMAT); // --- PDF PRODUCER --- String producer = info.getProducer(); if (producer != null && producer.length() > 0) { Topic producerType = createTopic(topicMap, "pdf-producer"); setData(pdfTopic, producerType, defaultLang, producer.trim()); } // --- PDF MODIFICATION DATE --- Calendar mCal = info.getModificationDate(); if (mCal != null) { String mdate = dateFormatter.format(mCal.getTime()); if (mdate != null && mdate.length() > 0) { Topic modificationDateType = createTopic(topicMap, "pdf-modification-date"); setData(pdfTopic, modificationDateType, defaultLang, mdate.trim()); } } // --- PDF CREATOR --- String creator = info.getCreator(); if (creator != null && creator.length() > 0) { Topic creatorType = createTopic(topicMap, "pdf-creator"); setData(pdfTopic, creatorType, defaultLang, creator.trim()); } // --- PDF CREATION DATE --- Calendar cCal = info.getCreationDate(); if (cCal != null) { String cdate = dateFormatter.format(cCal.getTime()); if (cdate != null && cdate.length() > 0) { Topic creationDateType = createTopic(topicMap, "pdf-creation-date"); setData(pdfTopic, creationDateType, defaultLang, cdate.trim()); } } // --- PDF AUTHOR --- String author = info.getAuthor(); if (author != null && author.length() > 0) { Topic authorType = createTopic(topicMap, "pdf-author"); setData(pdfTopic, authorType, defaultLang, author.trim()); } // --- PDF SUBJECT --- String subject = info.getSubject(); if (subject != null && subject.length() > 0) { Topic subjectType = createTopic(topicMap, "pdf-subject"); setData(pdfTopic, subjectType, defaultLang, subject.trim()); } // --- PDF TITLE --- String title = info.getSubject(); if (title != null && title.length() > 0) { if (makeVariantFromTitle) { pdfTopic.setDisplayName(defaultLang, title); } else { Topic titleType = createTopic(topicMap, "pdf-title"); setData(pdfTopic, titleType, defaultLang, title.trim()); } } // --- PDF KEYWORDS (SEPARATED WITH SEMICOLON) --- String keywords = info.getKeywords(); if (keywords != null && keywords.length() > 0) { Topic keywordType = createTopic(topicMap, "pdf-keyword"); String[] keywordArray = keywords.split(";"); String keyword = null; for (int i = 0; i < keywordArray.length; i++) { keyword = Textbox.trimExtraSpaces(keywordArray[i]); if (keyword != null && keyword.length() > 0) { Topic keywordTopic = createTopic(topicMap, keyword, keywordType); createAssociation(topicMap, keywordType, new Topic[] { pdfTopic, keywordTopic }); } } } // --- PDF TEXT CONTENT --- PDFTextStripper stripper = new PDFTextStripper(); String content = new String(); if (makePageTopics) { int pages = doc.getNumberOfPages(); String pageContent = null; for (int i = 0; i < pages; i++) { stripper.setStartPage(i); stripper.setEndPage(i); pageContent = stripper.getText(doc); Topic pageType = createTopic(topicMap, "pdf-page"); Topic pageTopic = createTopic(topicMap, pdfTopic.getBaseName() + " (page " + i + ")", pageType); Topic orderType = createTopic(topicMap, "order"); Topic orderTopic = createTopic(topicMap, i + ".", orderType); Topic contentType = createTopic(topicMap, "pdf-text"); setData(pageTopic, contentType, defaultLang, pageContent.trim()); createAssociation(topicMap, pageType, new Topic[] { pdfTopic, pageTopic, orderTopic }); } } else { content = stripper.getText(doc); } if (!makePageTopics && content != null && content.length() > 0) { Topic contentType = createTopic(topicMap, "pdf-text"); setData(pdfTopic, contentType, defaultLang, content.trim()); } doc.close(); } catch (Exception e) { e.printStackTrace(); try { if (doc != null) doc.close(); } catch (Exception ix) { e.printStackTrace(); } } }
From source file:org.wandora.application.tools.extractors.fng.ExtractFNGTextEnrichment.java
License:Open Source License
public void _extractTopicsFromStream(String locator, InputStream inputStream, TopicMap topicMap, Topic textTopic) {//from w w w. jav a 2 s . c om try { String lowerCaseLocator = locator.toLowerCase(); // --- HANDLE PDF ENRICHMENT TEXT --- if (lowerCaseLocator.endsWith("pdf")) { PDDocument doc = PDDocument.load(new URL(locator)); PDDocumentInformation info = doc.getDocumentInformation(); // --- PDF SUBJECT --- String subject = info.getSubject(); if (subject != null && subject.length() > 0) { Topic subjectType = createTopic(topicMap, "subject"); setData(textTopic, subjectType, defaultLang, subject.trim()); } // --- PDF TITLE --- String title = info.getTitle(); if (title != null && title.length() > 0) { Topic titleType = createTopic(topicMap, "title"); setData(textTopic, titleType, defaultLang, title.trim()); } // --- PDF KEYWORDS --- String keywords = info.getKeywords(); if (keywords != null && keywords.length() > 0) { Topic keywordType = createTopic(topicMap, "keywords"); setData(textTopic, keywordType, defaultLang, keywords.trim()); } // --- PDF TEXT CONTENT --- PDFTextStripper stripper = new PDFTextStripper(); String content = stripper.getText(doc); setTextEnrichment(textTopic, topicMap, content); doc.close(); } // --- HANDLE RTF DOCUMENTS --- else if (lowerCaseLocator.endsWith("rtf")) { String content = Textbox.RTF2PlainText(inputStream); setTextEnrichment(textTopic, topicMap, content); } // --- HANDLE OFFICE DOCUMENTS --- else if (lowerCaseLocator.endsWith("doc") || lowerCaseLocator.endsWith("docx") || lowerCaseLocator.endsWith("ppt") || lowerCaseLocator.endsWith("xsl") || lowerCaseLocator.endsWith("vsd")) { String content = MSOfficeBox.getText(inputStream); if (content != null) { setTextEnrichment(textTopic, topicMap, content); } } // --- HANDLE TXT DOCUMENTS --- else { String content = IObox.loadFile(new InputStreamReader(inputStream)); setTextEnrichment(textTopic, topicMap, content); } } catch (Exception e) { log(e); } }
From source file:org.wandora.piccolo.utils.crawler.handlers.PDFHandler.java
License:Open Source License
public void handle(CrawlerAccess crawler, InputStream in, int depth, URL page) { try {//from w ww. jav a 2 s . co m Document d = new Document(); PDDocument doc = PDDocument.load(page); PDDocumentInformation info = doc.getDocumentInformation(); PDFTextStripper stripper = new PDFTextStripper(); String content = stripper.getText(doc); doc.close(); d.add(LuceneCrawler.subject(info.getSubject())); d.add(LuceneCrawler.title(info.getTitle())); d.add(LuceneCrawler.keywords(info.getKeywords())); d.add(LuceneCrawler.content(content)); d.add(LuceneCrawler.location(page.toString())); crawler.addObject(d); } catch (IOException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } }
From source file:org.xstudiosys.pdfxmp.AddMetadataFromDocInfo.java
License:Apache License
/** * This will print the documents data.//from w w w.j a v a 2 s .c om * * @param args The command line arguments. * * @throws Exception If there is an error parsing the document. */ public static void main(String[] args) throws Exception { if (args.length != 2) { usage(); } else { PDDocument document = null; try { document = PDDocument.load(args[0]); if (document.isEncrypted()) { System.err.println("Error: Cannot add metadata to encrypted document."); System.exit(1); } PDDocumentCatalog catalog = document.getDocumentCatalog(); PDDocumentInformation info = document.getDocumentInformation(); XMPMetadata metadata = new XMPMetadata(); XMPSchemaPDF pdfSchema = metadata.addPDFSchema(); pdfSchema.setKeywords(info.getKeywords()); pdfSchema.setProducer(info.getProducer()); XMPSchemaBasic basicSchema = metadata.addBasicSchema(); basicSchema.setModifyDate(info.getModificationDate()); basicSchema.setCreateDate(info.getCreationDate()); basicSchema.setCreatorTool(info.getCreator()); basicSchema.setMetadataDate(new GregorianCalendar()); XMPSchemaDublinCore dcSchema = metadata.addDublinCoreSchema(); dcSchema.setTitle(info.getTitle()); dcSchema.addCreator("PDFBox"); dcSchema.setDescription(info.getSubject()); PDMetadata metadataStream = new PDMetadata(document); metadataStream.importXMPMetadata(metadata); catalog.setMetadata(metadataStream); document.save(args[1]); } finally { if (document != null) { document.close(); } } } }
From source file:org.xstudiosys.pdfxmp.MarkBuilder.java
License:Open Source License
public void onComplete(PDDocument document) { try {//www . jav a 2s .c o m PDDocumentCatalog catalog = document.getDocumentCatalog(); PDDocumentInformation info = document.getDocumentInformation(); XMPMetadata metadata = new XMPMetadata(); XMPSchemaPDF pdfSchema = metadata.addPDFSchema(); pdfSchema.setKeywords(info.getKeywords()); pdfSchema.setProducer(info.getProducer()); XMPSchemaBasic basicSchema = metadata.addBasicSchema(); basicSchema.setModifyDate(info.getModificationDate()); basicSchema.setCreateDate(info.getCreationDate()); basicSchema.setCreatorTool(info.getCreator()); basicSchema.setMetadataDate(new GregorianCalendar()); XMPSchemaDublinCore dcSchema = metadata.addDublinCoreSchema(); dcSchema.setTitle(info.getTitle()); dcSchema.addCreator("PDFBox"); dcSchema.setDescription(info.getSubject()); PDMetadata metadataStream = new PDMetadata(document); metadataStream.importXMPMetadata(metadata); catalog.setMetadata(metadataStream); } catch (Exception e) { e.printStackTrace(); } }
From source file:org.xstudiosys.pdfxmp.XMPUtil.java
License:Open Source License
/** * Helper function for retrieving a BibtexEntry from the * PDDocumentInformation in a PDF file.//from w w w . jav a2 s .c om * * To understand how to get hold of a PDDocumentInformation have a look in * the test cases for XMPUtil. * * The BibtexEntry is build by mapping individual fields in the document * information (like author, title, keywords) to fields in a bibtex entry. * * @param di * The document information from which to build a BibtexEntry. * * @return The bibtex entry found in the document information. */ @SuppressWarnings("unchecked") public static BibtexEntry getBibtexEntryFromDocumentInformation(PDDocumentInformation di) { BibtexEntry entry = new BibtexEntry(); String s = di.getAuthor(); if (s != null) entry.setField("author", s); s = di.getTitle(); if (s != null) entry.setField("title", s); s = di.getKeywords(); if (s != null) entry.setField("keywords", s); s = di.getSubject(); if (s != null) entry.setField("abstract", s); COSDictionary dict = di.getDictionary(); for (Map.Entry<COSName, COSBase> o : dict.entrySet()) { String key = o.getKey().getName(); if (key.startsWith("bibtex/")) { String value = dict.getString(key); key = key.substring("bibtex/".length()); if (key.equals("entrytype")) { BibtexEntryType type = BibtexEntryType.getStandardType(value); if (type != null) entry.setType(type); } else entry.setField(key, value); } } // Return null if no values were found return (entry.getAllFields().size() > 0 ? entry : null); }
From source file:uk.bl.wa.tika.parser.pdf.pdfbox.PDFParser.java
License:Apache License
private void extractMetadata(PDDocument document, Metadata metadata) throws TikaException { PDDocumentInformation info = document.getDocumentInformation(); metadata.set(PagedText.N_PAGES, document.getNumberOfPages()); addMetadata(metadata, Metadata.TITLE, info.getTitle()); addMetadata(metadata, Metadata.AUTHOR, info.getAuthor()); addMetadata(metadata, Metadata.KEYWORDS, info.getKeywords()); addMetadata(metadata, "pdf:creator", info.getCreator()); addMetadata(metadata, "pdf:producer", info.getProducer()); addMetadata(metadata, Metadata.SUBJECT, info.getSubject()); addMetadata(metadata, "trapped", info.getTrapped()); addMetadata(metadata, "created", info.getCreationDate()); addMetadata(metadata, Metadata.CREATION_DATE, info.getCreationDate()); Calendar modified = info.getModificationDate(); addMetadata(metadata, Metadata.LAST_MODIFIED, modified); // All remaining metadata is custom // Copy this over as-is List<String> handledMetadata = Arrays.asList(new String[] { "Author", "Creator", "CreationDate", "ModDate", "Keywords", "Producer", "Subject", "Title", "Trapped" }); if (info.getCOSObject() != null && info.getCOSObject().keySet() != null) { for (COSName key : info.getCOSObject().keySet()) { String name = key.getName(); if (!handledMetadata.contains(name)) { addMetadata(metadata, name, info.getCOSObject().getDictionaryObject(key)); }/*from w ww. j a va 2s .c o m*/ } } // ANJ Extensions: // // // Add other data of interest: metadata.set("pdf:version", "" + document.getDocument().getVersion()); metadata.set("pdf:numPages", "" + document.getNumberOfPages()); //metadata.set("pdf:cryptoMode", ""+getCryptoModeAsString(reader)); //metadata.set("pdf:openedWithFullPermissions", ""+reader.isOpenedWithFullPermissions()); metadata.set("pdf:encrypted", "" + document.isEncrypted()); //metadata.set("pdf:metadataEncrypted", ""+document.isMetadataEncrypted()); //metadata.set("pdf:128key", ""+reader.is128Key()); //metadata.set("pdf:tampered", ""+reader.isTampered()); try { if (document.getDocumentCatalog().getMetadata() != null) { XMPMetadata xmp = XMPMetadata.load(document.getDocumentCatalog().getMetadata().exportXMPMetadata()); // There is a special class for grabbing data in the PDF schema - not sure it will add much here: // Could parse xmp:CreatorTool and pdf:Producer etc. etc. out of here. XMPSchemaPDF pdfxmp = xmp.getPDFSchema(); // Added a PDF/A schema class: xmp.addXMLNSMapping(XMPSchemaPDFA.NAMESPACE, XMPSchemaPDFA.class); XMPSchemaPDFA pdfaxmp = (XMPSchemaPDFA) xmp.getSchemaByClass(XMPSchemaPDFA.class); if (pdfaxmp != null) { metadata.set("pdfaid:part", pdfaxmp.getPart()); metadata.set("pdfaid:conformance", pdfaxmp.getConformance()); String version = "A-" + pdfaxmp.getPart() + pdfaxmp.getConformance().toLowerCase(); //metadata.set("pdfa:version", version ); metadata.set("pdf:version", version); } // TODO WARN if this XMP version is inconsistent with document header version? } } catch (IOException e) { log.error("XMP Parsing failed: " + e); metadata.set("pdf:metadata-xmp-parse-failed", "" + e); } // 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")); metadata.set("pdf:version", baseVersion + " Adobe Extension Level " + el); } // TODO WARN if this embedded version is inconsistent with document header version? } 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()); } } } // End Of ANJ Extensions. }
From source file:zhaw.PDFIndexer.java
License:Apache License
/** * This will add the contents to the lucene document. * //from w ww . j ava 2 s . com * @param document * The document to add the contents to. * @param is * The stream to get the contents from. * @param documentLocation * The location of the document, used just for debug messages. * @throws IOException * If there is an error parsing the document. */ private void addContent(Document document, InputStream is, String documentLocation) throws IOException { PDDocument pdfDocument = null; PDFTextStripper stripper; try { pdfDocument = PDDocument.load(is); if (pdfDocument.isEncrypted()) { // Just try using the default password and move on pdfDocument.decrypt(""); } // create a writer where to append the text content. StringWriter writer = new StringWriter(); stripper = new PDFTextStripper(); try { stripper.writeText(pdfDocument, writer); } catch (Exception e) { System.out.println("Error in stripper.writeText()"); } String contents = writer.getBuffer().toString(); StringReader reader = new StringReader(contents); addTextField(document, Indexer.contents, reader); PDDocumentInformation info = pdfDocument.getDocumentInformation(); if (info != null) { addTextField(document, Indexer.Author, info.getAuthor()); try { addTextField(document, Indexer.created, info.getCreationDate()); } catch (IOException io) { // ignore, bad date but continue with indexing } addTextField(document, Indexer.keywords, info.getKeywords()); try { addTextField(document, Indexer.modified, info.getModificationDate()); } catch (IOException io) { // ignore, bad date but continue with indexing } addTextField(document, "Subject", info.getSubject()); addTextField(document, Indexer.Title, info.getTitle()); } int summarySize = Math.min(contents.length(), 500); String summary = contents.substring(0, summarySize); // Add the summary as an UnIndexed field, so that it is stored and // returned // with hit documents for display. addUnindexedField(document, Indexer.summary, summary); } catch (CryptographyException e) { throw new IOException("Error decrypting document(" + documentLocation + "): " + e); } catch (InvalidPasswordException e) { // they didn't suppply a password and the default of "" was wrong. throw new IOException( "Error: The document(" + documentLocation + ") is encrypted and will not be indexed."); } finally { if (pdfDocument != null) { pdfDocument.close(); } } }