/*
 * $Id: PRIndirectReference.java,v 1.12 2002/07/09 11:28:22 blowagie Exp $
 * $Name:  $
 *
 * Copyright 2001, 2002 by Paulo Soares.
 *
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 *
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */

package com.lowagie.text.pdf;
import java.io.OutputStream;
import java.io.IOException;

public class PRIndirectReference extends PdfIndirectReference {
    
    protected PdfReader reader;
    // membervariables
    
    // constructors
    
/**
 * Constructs a <CODE>PdfIndirectReference</CODE>.
 *
 * @param		reader			a <CODE>PdfReader</CODE>
 * @param		number			the object number.
 * @param		generation		the generation number.
 */
    
    PRIndirectReference(PdfReader reader, int number, int generation) {
        type = INDIRECT;
        this.number = number;
        this.generation = generation;
        this.reader = reader;
    }
    
/**
 * Constructs a <CODE>PdfIndirectReference</CODE>.
 *
 * @param		reader			a <CODE>PdfReader</CODE>
 * @param		number			the object number.
 */
    
    PRIndirectReference(PdfReader reader, int number) {
        this(reader, number, 0);
    }
    
    // methods
    
    public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
        int n = writer.getNewObjectNumber(reader, number, generation);
        os.write(PdfEncodings.convertToBytes(new StringBuffer().append(n).append(" 0 R").toString(), null));
    }

    public PdfReader getReader() {
        return reader;
    }
    
    public void setNumber(int number, int generation) {
        this.number = number;
        this.generation = generation;
    }
}