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pdfa/pdfa_extension_schema_with_type

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/* $Id: pdfa_extension_schema_with_type.java,v 1.5 2013/02/04 15:50:52 stm Exp $

 * PDF/A extension schema with type:

 * Demonstrate the use of a complex XMP extension schema as defined in PDF/A-1

 *

 * Create a PDF/A document and use the "metadata" option of begin_document() to

 * supply an XMP file containing a complex XMP extension schema which requires a

 * custom type definition.

 *

 * Required software: PDFlib/PDFlib+PDI/PPS 9

 * Required data: XMP file

 */

package com.pdflib.cookbook.pdflib.pdfa;


import com.pdflib.pdflib;

import com.pdflib.PDFlibException;


public class pdfa_extension_schema_with_type {

    public static void main(String argv[]) {

        /* This is where the data files are. Adjust as necessary. */

        String searchpath = "../input";

        String outfile = "pdfa_extension_schema_with_type.pdf";

        String title = "PDF/A Extension Schema with Type";


        pdflib p = null;


        String xmpfile = "machine_extension_schema_2.xmp";

        int font;


        try {

            p = new pdflib();


            p.set_option("searchpath={" + searchpath + "}");


            /* This means we must check return values of load_font() etc. */

            p.set_option("errorpolicy=return");


            /*

             * Start a PDF/A document with an XMP file supplied, containing an

             * XMP extension schema. The XMP metadata will be read from the file

             * and embedded in the document. PDFlib will merge several

             * internally generated entries into the user-supplied XMP, e.g.

             * xmp:CreateDate.

             */

            if (p.begin_document(outfile,

                    "pdfa=PDF/A-2b metadata={filename={" + xmpfile + "}}")

                                                                        == -1)

                throw new Exception("Error: " + p.get_errmsg());


            p.set_info("Creator", "PDFlib Cookbook");

            p.set_info("Title", title + " $Revision: 1.5 $");


            p.begin_page_ext(0, 0, "width=a4.height height=a4.width");


            /* Font embedding is required for PDF/A */

            font = p.load_font("LuciduxSans-Oblique", "unicode", "embedding");


            if (font == -1)

                throw new Exception("Error: " + p.get_errmsg());


            p.setfont(font, 12);


            p.fit_textline(

                    "An XMP extension schema is read from an XMP file and "

                            + "the XMP metadata is embedded in the document.",

                    50, 400, "");


            p.end_page_ext("");


            p.end_document("");


        }

        catch (PDFlibException e) {

            System.err.print("PDFlib exception occurred:\n");

            System.err.print("[" + e.get_errnum() + "] " + e.get_apiname()

                    + ": " + e.get_errmsg() + "\n");

        }

        catch (Exception e) {

            System.err.println(e.getMessage());

        }

        finally {

            if (p != null) {

                p.delete();

            }

        }

    }

}