webserver/starter_webform

 *

 * 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, fieldfont, action;

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

        /* 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("GenR102", "unicode", "");

            if (font == -1)

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

            /* Load the font again for use in the form fields; this is required

             * to work around problems in Acrobat's form field handling.

             * Although we specify "pdfdoc" encoding other Unicode characters

             * can be used in the field.

             */

            fieldfont = p.load_font("GenR102", "pdfdoc",

                                        "embedding nosubsetting");

            if (fieldfont == -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=" + fieldfont;

            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=" + fieldfont;

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

            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();

            }

        }

    }

}