pdf_import/starter_pdfmerge

 * PDF merge starter:

 * Merge pages from multiple PDF documents

 *

 * Interactive elements (e.g. bookmarks) will be dropped.

 *

 * Required software: PDFlib+PDI/PPS 9

 * Required data: PDF documents

 */

package com.pdflib.cookbook.pdflib.pdf_import;

import com.pdflib.pdflib;

import com.pdflib.PDFlibException;

public class starter_pdfmerge

{

    public static void main (String argv[])

    {

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

    String searchpath = "../input";

    String outfile = "starter_pdfmerge.pdf";

    String title = "Starter PDF Merge";

    pdflib p = null;

    String pdffiles[] =

    {

        "PDFlib-real-world.pdf",

        "PDFlib-datasheet.pdf",

        "TET-datasheet.pdf",

        "PLOP-datasheet.pdf",

        "pCOS-datasheet.pdf"

    };

    int i;

    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");

        if (p.begin_document(outfile, "") == -1)

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

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

        p.set_info("Title", title + " $Revision: 1.13 $");

        for (i=0; i < pdffiles.length; i++)

        {

        int indoc, endpage, pageno, page;

        /* Open the input PDF */

        indoc = p.open_pdi_document(pdffiles[i], "");

        if (indoc == -1)

        {

            System.err.println("Error: " + p.get_errmsg());

            continue;

        }

        endpage = (int) p.pcos_get_number(indoc, "length:pages");

        /* Loop over all pages of the input document */

        for (pageno = 1; pageno <= endpage; pageno++)

        {

            page = p.open_pdi_page(indoc, pageno, "");

            if (page == -1)

            {

            System.err.println("Error: " + p.get_errmsg());

            continue;

            }

            /* Dummy page size; will be adjusted later */

            p.begin_page_ext(10, 10, "");

            /* Create a bookmark with the file name */

            if (pageno == 1)

            p.create_bookmark(pdffiles[i], "");

            /* Place the imported page on the output page, and

             * adjust the page size

             */

            p.fit_pdi_page(page, 0, 0, "adjustpage");

            p.close_pdi_page(page);

            p.end_page_ext("");

        }

        p.close_pdi_document(indoc);

        }

        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();

            }

        }

    }

}