Example usage for com.itextpdf.text.pdf PdfAWriter setOutlines

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfAWriter setOutlines.

Prototype

public void setOutlines(final List<HashMap<String, Object>> outlines) 

Source Link

Document

Sets the bookmarks.

Usage

From source file:com.github.ossdevs.jhocr.converter.HocrToPdf.java

License:Open Source License

/**
 * @param pdfConformanceLevel determines into which format the PDF-A&/B will be converted.
 * @return true if the conversion was successful.
 *//*  www  . ja v  a 2 s. c  o m*/
private boolean convertToPDFA(PdfAConformanceLevel pdfConformanceLevel) {
    boolean result = false;
    Document document = new Document();

    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();

    if (classLoader == null) {
        classLoader = Class.class.getClassLoader();
    }

    try {
        PdfAWriter writer = PdfAWriter.getInstance(document, getOutputStream(), pdfConformanceLevel);
        writer.createXmpMetadata();

        document.open();
        document.addHeader(KEY_JHOCR_INFO, KEY_JHOCR_INFO_VALUE);
        document.setMargins(0, 0, 0, 0);

        /**
         * TODO add documentation
         */
        for (HocrDocumentItem item : getItems()) {

            HocrParser parser = new HocrParser(item.getHocrInputStream());

            HocrDocument hocrDocument = parser.parse();

            /**
             * TODO add documentation
             * TODO add multipage image support
             */
            if (hocrDocument.getPages().size() > 1) {
                throw new UnsupportedOperationException(
                        "Multipage tif are not yet implemented, please report: http://code.google.com/p/jhocr/issues/list");
            }

            /**
             * TODO add documentation
             */
            for (HocrPage hocrPage : hocrDocument.getPages()) {
                HocrPageProcessor pageProcessor = new HocrPageProcessor(hocrPage, item.getImageInputStream(),
                        isUseImageDpi());

                if (pageProcessor.isInitialized()) {
                    pageProcessor.process(document, writer);
                }
            }
        }

        if (!outlines.isEmpty()) {
            writer.setOutlines(outlines);
        }

        InputStream is = this.getClass().getResourceAsStream("/sRGB.profile");

        ICC_Profile icc = ICC_Profile.getInstance(is);
        writer.setOutputIntents(KEY_JHOCR_INFO, KEY_JHOCR_INFO_VALUE, "http://www.color.org",
                "sRGB IEC61966-2.1", icc);

        /**
         * Closing the document body stream.
         */
        document.close();
        getOutputStream().close();
        result = true;

    } catch (UnsupportedOperationException e) {
        document.close();
        logger.error("This operation is not yet implemented.", e);
        result = false;
    } catch (DocumentException e) {
        document.close();
        logger.error("exception while genrating the PDF.", e);
        result = false;
    } catch (IOException e) {
        document.close();
        logger.error("FileSystem I/O Exception, please check the log and file system persmissions.", e);
        result = false;
    }

    return result;

}

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