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/*
* $Id: PdfIndirectReference.java,v 1.22 2002/06/20 13:30:25 blowagie Exp $
* $Name: $
*
* Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
*
*
* 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;
/**
* <CODE>PdfIndirectReference</CODE> contains a reference to a <CODE>PdfIndirectObject</CODE>.
* <P>
* Any object used as an element of an array or as a value in a dictionary may be specified
* by either a direct object of an indirect reference. An <I>indirect reference</I> is a reference
* to an indirect object, and consists of the indirect object's object number, generation number
* and the <B>R</B> keyword.<BR>
* This object is described in the 'Portable Document Format Reference Manual version 1.3'
* section 4.11 (page 54).
*
* @see PdfObject
* @see PdfIndirectObject
*/
public class PdfIndirectReference extends PdfObject {
// membervariables
/** the object number */
protected int number;
/** the generation number */
protected int generation = 0;
// constructors
protected PdfIndirectReference() {
super(0);
}
/**
* Constructs a <CODE>PdfIndirectReference</CODE>.
*
* @param type the type of the <CODE>PdfObject</CODE> that is referenced to
* @param number the object number.
* @param generation the generation number.
*/
PdfIndirectReference(int type, int number, int generation) {
super(0, new StringBuffer().append(number).append(" ").append(generation).append(" R").toString());
this.number = number;
this.generation = generation;
}
/**
* Constructs a <CODE>PdfIndirectReference</CODE>.
*
* @param type the type of the <CODE>PdfObject</CODE> that is referenced to
* @param number the object number.
*/
PdfIndirectReference(int type, int number) {
this(type, number, 0);
}
// methods
/**
* Returns the number of the object.
*
* @return a number.
*/
public int getNumber() {
return number;
}
/**
* Returns the generation of the object.
*
* @return a number.
*/
public int getGeneration() {
return generation;
}
}
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