pages.page_labels

package com.pdflib.cookbook.pcos.pages;

import com.pdflib.pCOS;

import com.pdflib.pCOSException;

import com.pdflib.cookbook.pcos.pcos_cookbook_example;

/**

 * Print all page labels.

 * <p>

 * Required software: pCOS interface 3 (pCOS 2.x, PDFlib 7.x, TET 2.2,

 * PLOP 3.x)<br>

 * Required data: PDF document

 *

 * @version $Id: page_labels.java,v 1.3 2007/09/19 08:45:30 stm Exp $

 */

public class page_labels 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.get_string(doc, "filename"));

       

        System.out.println("Page Label");

        String objtype = p.get_string(doc, "type:/Root/PageLabels");

        if (objtype.equals("null")) {

            System.out.println("[no page labels available]");

        }

        else {

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

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

                String label = p.get_string(doc, "pages[" + page + "]/label");

                System.out.println((page + 1) + " " + label);

            }

        }

       

        p.close_document(doc);

    }   

   

    public page_labels(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[]) {

        page_labels example = new page_labels(argv,

            "Page Labels", SEARCH_PATH,

            "$RCSfile: page_labels.java,v $", "$Revision: 1.3 $");

        example.execute();

    }

}