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interactive/weblinks

Retrieve the bounding box and the URL of all Web links on the page.

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package com.pdflib.cookbook.pcos.interactive;


import com.pdflib.pCOS;

import com.pdflib.pCOSException;

import com.pdflib.cookbook.pcos.pcos_cookbook_example;


/**

 * Retrieve bounding box and URL of all Web links on the page.

 * <p>

 * Required software: pCOS interface 3 (pCOS 3.x, PDFlib+PDI/PPS 7.x, TET 2.2,

 * PLOP 3.x) <br>

 * Required data: PDF document

 *

 * @version $Id: weblinks.java,v 1.6 2010/09/27 13:24:25 stm Exp $

 */

public class weblinks extends pcos_cookbook_example {


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

    private final static String SEARCH_PATH = "../input";


    public void example_code(pCOS p, String filename) throws pCOSException,

        Exception {

        /* Open the PDF document */

        int doc = p.open_document(filename, "");

        if (doc == -1)

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


        System.out.println("File name: " + p.pcos_get_string(doc, "filename"));


        int pagecount = (int) p.pcos_get_number(doc, "length:pages");


        for (int page = 0; page < pagecount; page++) {

            String objtype = p.pcos_get_string(doc, "type:pages[" + page

                + "]/Annots");

            if (objtype.equals("null"))

                continue;


            int anncount = (int) p.pcos_get_number(doc, "length:pages[" + page

                + "]/Annots");

            if (anncount == 0)

                continue;


            for (int ann = 0; ann < anncount; ann++) {

                String subtype = p.pcos_get_string(doc, "pages[" + page

                    + "]/Annots[" + ann + "]/Subtype");

                if (!subtype.equals("Link"))

                    continue;


                objtype = p.pcos_get_string(doc, "type:pages[" + page

                    + "]/Annots[" + ann + "]/A/URI");

                if (objtype.equals("string")) {

                    String url = p.pcos_get_string(doc, "pages[" + page

                        + "]/Annots[" + ann + "]/A/URI");

                    System.out.println("Page " + (page + 1) + ": " + url);


                    for (int j = 0; j < 4; j++) {

                        System.out.print(p.pcos_get_number(doc, "pages[" + page

                            + "]" + "/Annots[" + ann + "]/Rect[" + j + "]")

                            + " ");

                    }

                    System.out.println();

                }

            }

        }


        p.close_document(doc);

    }


    public weblinks(String[] argv, String readable_name, String search_path,

        String full_rcs_file_name, String revision) {

        super(argv, readable_name, search_path, full_rcs_file_name, revision);

    }


    public static void main(String argv[]) {

        weblinks example = new weblinks(argv, "Weblink data", SEARCH_PATH,

            "$RCSfile: weblinks.java,v $", "$Revision: 1.6 $");

        example.execute();

    }

}