Example usage for org.apache.pdfbox.pdmodel PDDocumentCatalog getVersion

Introduction

In this page you can find the example usage for org.apache.pdfbox.pdmodel PDDocumentCatalog getVersion.

Prototype

public String getVersion() 

Source Link

Document

Returns the PDF specification version this document conforms to.

Usage

From source file:org.modeshape.sequencer.pdf.PdfBasicMetadata.java

License:Apache License

public boolean check() throws Exception {
    try (PDDocument document = PDDocument.load(in)) {
        PDDocumentCatalog catalog = document.getDocumentCatalog();
        PDPageable pageable = new PDPageable(document);
        PageFormat firstPage = pageable.getPageFormat(0);

        encrypted = document.isEncrypted();
        pageCount = document.getNumberOfPages();
        orientation = ORIENTATION_STRINGS[firstPage.getOrientation()];
        version = String.valueOf(document.getDocument().getVersion());
        String catalogVersion = catalog.getVersion();
        if (catalogVersion != null && !catalogVersion.isEmpty()) {
            // According to specs version saved here should be determining instead
            // the version in header. It is barely used, though.
            version = catalogVersion;/*from   w  w  w.ja v a  2  s.co  m*/
        }

        if (!encrypted) {
            PDDocumentInformation metadata = document.getDocumentInformation();
            author = metadata.getAuthor();
            creationDate = metadata.getCreationDate();
            creator = metadata.getCreator();
            keywords = metadata.getKeywords();
            modificationDate = metadata.getModificationDate();
            producer = metadata.getProducer();
            subject = metadata.getSubject();
            title = metadata.getTitle();
        }

        // extract all attached files from all pages
        int pageNumber = 0;
        for (Object page : catalog.getAllPages()) {
            pageNumber += 1;
            PdfPageMetadata pageMetadata = new PdfPageMetadata();
            pageMetadata.setPageNumber(pageNumber);
            for (PDAnnotation annotation : ((PDPage) page).getAnnotations()) {
                if (annotation instanceof PDAnnotationFileAttachment) {
                    PdfAttachmentMetadata attachmentMetadata = new PdfAttachmentMetadata();

                    PDAnnotationFileAttachment fann = (PDAnnotationFileAttachment) annotation;
                    PDComplexFileSpecification fileSpec = (PDComplexFileSpecification) fann.getFile();
                    PDEmbeddedFile embeddedFile = fileSpec.getEmbeddedFile();

                    attachmentMetadata.setSubject(fann.getSubject());
                    attachmentMetadata.setName(fileSpec.getFilename());
                    attachmentMetadata.setCreationDate(embeddedFile.getCreationDate());
                    attachmentMetadata.setModificationDate(embeddedFile.getModDate());
                    attachmentMetadata.setMimeType(embeddedFile.getSubtype());
                    attachmentMetadata.setData(embeddedFile.getByteArray());

                    pageMetadata.addAttachment(attachmentMetadata);
                }
            }
            pages.add(pageMetadata);
        }
        return true;
    }
}

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