Package org.apache.pdfbox.pdmodel

Examples of org.apache.pdfbox.pdmodel.PDDocumentInformation

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        }
        if( source.isEncrypted() )
        {
            throw new IOException( "Error: source PDF is encrypted, can't append encrypted PDF documents." );
        }
        PDDocumentInformation destInfo = destination.getDocumentInformation();
        PDDocumentInformation srcInfo = source.getDocumentInformation();
        destInfo.getDictionary().mergeInto( srcInfo.getDictionary() );

        PDDocumentCatalog destCatalog = destination.getDocumentCatalog();
        PDDocumentCatalog srcCatalog = source.getDocumentCatalog();

        if( destCatalog.getOpenAction() == null )
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            // Add the tag-stripped contents as a Reader-valued Text field so it will
            // get tokenized and indexed.
            addTextField( document, "contents", reader );

            PDDocumentInformation info = pdfDocument.getDocumentInformation();
            if( info != null )
            {
                addTextField( document, "Author", info.getAuthor() );
                try
                {
                    addTextField( document, "CreationDate", info.getCreationDate() );
                }
                catch( IOException io )
                {
                    //ignore, bad date but continue with indexing
                }
                addTextField( document, "Creator", info.getCreator() );
                addTextField( document, "Keywords", info.getKeywords() );
                try
                {
                    addTextField( document, "ModificationDate", info.getModificationDate() );
                }
                catch( IOException io )
                {
                    //ignore, bad date but continue with indexing
                }
                addTextField( document, "Producer", info.getProducer() );
                addTextField( document, "Subject", info.getSubject() );
                addTextField( document, "Title", info.getTitle() );
                addTextField( document, "Trapped", info.getTrapped() );
            }
            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.
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                  if (props.isEmpty())
                  {
                     // The pdf doesn't contain any metadata, try to use the document
                     // information instead
                     PDDocumentInformation docInfo = pdDocument.getDocumentInformation();

                     if (docInfo != null)
                     {
                        try
                        {
                           if (docInfo.getAuthor() != null)
                              props.put(DCMetaData.CONTRIBUTOR, docInfo.getAuthor());
                        }
                        catch (Exception e)
                        {
                           log.warn("getAuthor failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getCreationDate() != null)
                              props.put(DCMetaData.DATE, docInfo.getCreationDate());
                        }
                        catch (Exception e)
                        {
                           log.warn("getCreationDate failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getCreator() != null)
                              props.put(DCMetaData.CREATOR, docInfo.getCreator());
                        }
                        catch (Exception e)
                        {
                           log.warn("getCreator failed: " + e);
                        }
                        try
                        {

                           if (docInfo.getKeywords() != null)
                              props.put(DCMetaData.SUBJECT, docInfo.getKeywords());
                        }
                        catch (Exception e)
                        {
                           log.warn("getKeywords failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getModificationDate() != null)
                              props.put(DCMetaData.DATE, docInfo.getModificationDate());
                        }
                        catch (Exception e)
                        {
                           log.warn("getModificationDate failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getProducer() != null)
                              props.put(DCMetaData.PUBLISHER, docInfo.getProducer());
                        }
                        catch (Exception e)
                        {
                           log.warn("getProducer failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getSubject() != null)
                              props.put(DCMetaData.DESCRIPTION, docInfo.getSubject());
                        }
                        catch (Exception e)
                        {
                           log.warn("getSubject failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getTitle() != null)
                              props.put(DCMetaData.TITLE, docInfo.getTitle());
                        }
                        catch (Exception e)
                        {
                           log.warn("getTitle failed: " + e);
                        }
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                  }
                  else
                  {
                     // The pdf doesn't contain any metadata, try to use the document
                     // information instead
                     PDDocumentInformation docInfo = pdDocument.getDocumentInformation();

                     if (docInfo != null)
                     {
                        try
                        {
                           if (docInfo.getAuthor() != null)
                              props.put(DCMetaData.CONTRIBUTOR, docInfo.getAuthor());
                        }
                        catch (Exception e)
                        {
                           log.warn("getAuthor failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getCreationDate() != null)
                              props.put(DCMetaData.DATE, docInfo.getCreationDate());
                        }
                        catch (Exception e)
                        {
                           log.warn("getCreationDate failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getCreator() != null)
                              props.put(DCMetaData.CREATOR, docInfo.getCreator());
                        }
                        catch (Exception e)
                        {
                           log.warn("getCreator failed: " + e);
                        }
                        try
                        {

                           if (docInfo.getKeywords() != null)
                              props.put(DCMetaData.SUBJECT, docInfo.getKeywords());
                        }
                        catch (Exception e)
                        {
                           log.warn("getKeywords failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getModificationDate() != null)
                              props.put(DCMetaData.DATE, docInfo.getModificationDate());
                        }
                        catch (Exception e)
                        {
                           log.warn("getModificationDate failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getProducer() != null)
                              props.put(DCMetaData.PUBLISHER, docInfo.getProducer());
                        }
                        catch (Exception e)
                        {
                           log.warn("getProducer failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getSubject() != null)
                              props.put(DCMetaData.DESCRIPTION, docInfo.getSubject());
                        }
                        catch (Exception e)
                        {
                           log.warn("getSubject failed: " + e);
                        }
                        try
                        {
                           if (docInfo.getTitle() != null)
                              props.put(DCMetaData.TITLE, docInfo.getTitle());
                        }
                        catch (Exception e)
                        {
                           log.warn("getTitle failed: " + e);
                        }
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        {
            throw new ValidationException("Document provided is null");
        }
        else
        {
            PDDocumentInformation dico = document.getDocumentInformation();
            if (metadata == null)
            {
                throw new ValidationException("Metadata provided are null");
            }
            else
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             *   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,
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                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());
        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));
            }
        }
        metadata.set("pdf:encrypted", Boolean.toString(document.isEncrypted()));

        //try to get the various versions
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     * Extract Metadata in PDF Documents.
     * @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;
    }
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            if (perm == null || !perm.canExtractContent())
                throw new Parser.Failure("Document is encrypted and cannot be decrypted", location);
        }

        // extracting some metadata
        final PDDocumentInformation info = pdfDoc.getDocumentInformation();
        String docTitle = null, docSubject = null, docAuthor = null, docPublisher = null, docKeywordStr = null;
        if (info != null) {
            docTitle = info.getTitle();
            docSubject = info.getSubject();
            docAuthor = info.getAuthor();
            docPublisher = info.getProducer();
            if (docPublisher == null || docPublisher.length() == 0) docPublisher = info.getCreator();
            docKeywordStr = info.getKeywords();
            // unused:
            // info.getTrapped());
            // info.getCreationDate());
            // info.getModificationDate();
        }
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        }
    }

    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.CREATOR, info.getCreator());
        addMetadata(metadata, Metadata.KEYWORDS, info.getKeywords());
        addMetadata(metadata, "producer", info.getProducer());
        addMetadata(metadata, Metadata.SUBJECT, info.getSubject());
        addMetadata(metadata, "trapped", info.getTrapped());
        try {
            addMetadata(metadata, "created", info.getCreationDate());
            addMetadata(metadata, Metadata.CREATION_DATE, info.getCreationDate());
        } catch (IOException e) {
            // Invalid date format, just ignore
        }
        try {
            Calendar modified = info.getModificationDate();
            addMetadata(metadata, Metadata.LAST_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(new String[] {
             "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));
            }
        }
    }
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Related Classes of org.apache.pdfbox.pdmodel.PDDocumentInformation

  • de.pdf_scrutinizer.API.app.doc.Info
  • de.pdf_scrutinizer.emulation.InterpreterEmulation
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  • net.sf.regain.crawler.preparator.PdfBoxPreparator
  • net.yacy.document.parser.pdfParser
  • org.apache.camel.component.fop.FopHelper
  • org.apache.jackrabbit.core.query.pdf.PDFParser
  • org.apache.padaf.preflight.xmp.SynchronizedMetaDataValidation
  • org.apache.pdfbox.cos.COSDictionary
  • org.apache.pdfbox.examples.lucene.LucenePDFDocument
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