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general/permission_settings

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/* $Id: permission_settings.java,v 1.6 2013/01/15 10:11:58 stm Exp $

 * Permission Settings:

 * Change the permission settings so that only commenting the PDF is allowed

 *

 * Define a master password of "PDFlib" and set the permissions so that

 * printing (noprint nohiresprint), content extraction (nocopy noaccessible)

 * and changing the page contents or form field definitions (noassemble) will

 * not be allowed, while creating annotations and filling out form fields will

 * be permitted.

 *

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

 * Required data: none

 */

package com.pdflib.cookbook.pdflib.general;


import com.pdflib.pdflib;

import com.pdflib.PDFlibException;


public class permission_settings

{

    public static void main (String argv[])

    {

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

    String searchpath = "../input";

    String outfile = "permission_settings.pdf";

    String title = "Permission Settings";


    pdflib p = null;

    String optlist, text;

    int font, tf;


    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");


        /* Define a master password of "PDFlib" and set the permissions so that

         * printing (noprint nohiresprint), contents extraction (nocopy

         * noaccessible) and changing the page contents or form field

         * definitions (noassemble) will not be allowed, while creating

         * annotations and filling out form fields will be permitted.

         */

        optlist = "masterpassword=PDFlib permissions={noprint nohiresprint " +

            "nocopy noaccessible noassemble}";


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

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


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

        p.set_info("Title", title + " $Revision: 1.6 $");


        font = p.load_font("Helvetica", "unicode", "");

        if (font == -1) {

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

        }


        /* Start page */

        p.begin_page_ext(800, 400, "");


        text = "The master password for this document is set to \"PDFlib\". " +

               "The permissions for this document are set in a way that you " +

               "can only create annotations. To accomplish this use the " +

               "following options in the begin_document() call:<nextline>" +

               "masterpassword=PDFlib<nextline>permissions={noprint " +

               "nohiresprint nocopy noaccessible noassemble}";

        tf = p.create_textflow(text, "font=" + font +

            " fontsize=20 leading=140%");

        p.fit_textflow(tf, 50, 50, 750, 350, "");


        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();

            }

        }

    }

}