001/* 002 * $Id: PRIndirectReference.java 4784 2011-03-15 08:33:00Z blowagie $ 003 * 004 * This file is part of the iText (R) project. 005 * Copyright (c) 1998-2011 1T3XT BVBA 006 * Authors: Bruno Lowagie, Paulo Soares, et al. 007 * 008 * This program is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Affero General Public License version 3 010 * as published by the Free Software Foundation with the addition of the 011 * following permission added to Section 15 as permitted in Section 7(a): 012 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT, 013 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. 014 * 015 * This program is distributed in the hope that it will be useful, but 016 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 017 * or FITNESS FOR A PARTICULAR PURPOSE. 018 * See the GNU Affero General Public License for more details. 019 * You should have received a copy of the GNU Affero General Public License 020 * along with this program; if not, see http://www.gnu.org/licenses or write to 021 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 022 * Boston, MA, 02110-1301 USA, or download the license from the following URL: 023 * http://itextpdf.com/terms-of-use/ 024 * 025 * The interactive user interfaces in modified source and object code versions 026 * of this program must display Appropriate Legal Notices, as required under 027 * Section 5 of the GNU Affero General Public License. 028 * 029 * In accordance with Section 7(b) of the GNU Affero General Public License, 030 * a covered work must retain the producer line in every PDF that is created 031 * or manipulated using iText. 032 * 033 * You can be released from the requirements of the license by purchasing 034 * a commercial license. Buying such a license is mandatory as soon as you 035 * develop commercial activities involving the iText software without 036 * disclosing the source code of your own applications. 037 * These activities include: offering paid services to customers as an ASP, 038 * serving PDFs on the fly in a web application, shipping iText with a closed 039 * source product. 040 * 041 * For more information, please contact iText Software Corp. at this 042 * address: sales@itextpdf.com 043 */ 044package com.itextpdf.text.pdf; 045import java.io.IOException; 046import java.io.OutputStream; 047 048public class PRIndirectReference extends PdfIndirectReference { 049 050 protected PdfReader reader; 051 // membervariables 052 053 // constructors 054 055/** 056 * Constructs a <CODE>PdfIndirectReference</CODE>. 057 * 058 * @param reader a <CODE>PdfReader</CODE> 059 * @param number the object number. 060 * @param generation the generation number. 061 */ 062 063 PRIndirectReference(PdfReader reader, int number, int generation) { 064 type = INDIRECT; 065 this.number = number; 066 this.generation = generation; 067 this.reader = reader; 068 } 069 070/** 071 * Constructs a <CODE>PdfIndirectReference</CODE>. 072 * 073 * @param reader a <CODE>PdfReader</CODE> 074 * @param number the object number. 075 */ 076 077 PRIndirectReference(PdfReader reader, int number) { 078 this(reader, number, 0); 079 } 080 081 // methods 082 083 public void toPdf(PdfWriter writer, OutputStream os) throws IOException { 084 int n = writer.getNewObjectNumber(reader, number, generation); 085 os.write(PdfEncodings.convertToBytes(new StringBuffer().append(n).append(" 0 R").toString(), null)); 086 } 087 088 public PdfReader getReader() { 089 return reader; 090 } 091 092 public void setNumber(int number, int generation) { 093 this.number = number; 094 this.generation = generation; 095 } 096}