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();
    }
}