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webserver/starter_webform

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/* $Id: starter_webform.java,v 1.11 2017/01/03 14:27:55 rp Exp $

 *

 * Webform starter:

 * create a linearized PDF (for fast delivery over the Web, also known

 * as "fast Web view") which is encrypted and contains some form fields.

 * A few lines of JavaScript are inserted as "page open" action to

 * automatically populate the date field with the current date.

 *

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

 * Required data: font file

 */

package com.pdflib.cookbook.pdflib.webserver;


import com.pdflib.pdflib;

import com.pdflib.PDFlibException;


public class starter_webform {

    public static void main(String argv[]) {

        pdflib p = null;

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

        String searchpath = "../input";

        String optlist;

        int font, action;

        double llx = 150, lly = 550, urx = 350, ury = 575;

        int exitcode = 0;


        /* JavaScript for automatically filling the date into a form field */

        String js = "var d = util.printd(\"mm/dd/yyyy\", new Date());"

                + "var date = this.getField(\"date\");" + "date.value = d;";


        try {

            p = new pdflib();


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

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


            /* Prevent changes with a master password */

            optlist = "linearize masterpassword=pdflib permissions={nomodify}";


            if (p.begin_document("starter_webform.pdf", optlist) == -1)

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


            p.set_info("Creator", "PDFlib starter sample");

            p.set_info("Title", "starter_webform");


            optlist = "script[" + js.length() + "]={" + js + "}";

            action = p.create_action("JavaScript", optlist);


            optlist = "action={open=" + action + "}";

            p.begin_page_ext(595, 842, optlist);


            font = p.load_font("LinLibertine_R", "winansi", "");


            if (font == -1)

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


            p.setfont(font, 24);


            p.fit_textline("Date: ", 125, lly + 5, "position={right bottom}");


            /* The tooltip will be used as rollover text for the field */

            optlist = "tooltip={Date (will be filled automatically)} "

                    + "bordercolor={gray 0} font=" + font;

            p.create_field(llx, lly, urx, ury, "date", "textfield", optlist);


            lly -= 100;

            ury -= 100;

            p.fit_textline("Name: ", 125, lly + 5, "position={right bottom}");


            optlist = "tooltip={Enter your name here} "

                    + "bordercolor={gray 0} font=" + font;

            p.create_field(llx, lly, urx, ury, "name", "textfield", optlist);


            p.end_page_ext("");


            p.end_document("");

        }

        catch (PDFlibException e) {

            System.err.println("PDFlib exception occurred:");

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

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

            exitcode = 1;

        }

        catch (Exception e) {

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

            exitcode = 1;

        }

        finally {

            if (p != null) {

                p.delete();

            }

            System.exit(exitcode);

        }

    }

}