| /*-- $Id$ -- |
| |
| ============================================================================ |
| The Apache Software License, Version 1.1 |
| ============================================================================ |
| |
| Copyright (C) 1999 The Apache Software Foundation. All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without modifica- |
| tion, are permitted provided that the following conditions are met: |
| |
| 1. Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
| |
| 2. Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions and the following disclaimer in the documentation |
| and/or other materials provided with the distribution. |
| |
| 3. The end-user documentation included with the redistribution, if any, must |
| include the following acknowledgment: "This product includes software |
| developed by the Apache Software Foundation (http://www.apache.org/)." |
| Alternately, this acknowledgment may appear in the software itself, if |
| and wherever such third-party acknowledgments normally appear. |
| |
| 4. The names "Fop" and "Apache Software Foundation" must not be used to |
| endorse or promote products derived from this software without prior |
| written permission. For written permission, please contact |
| apache@apache.org. |
| |
| 5. Products derived from this software may not be called "Apache", nor may |
| "Apache" appear in their name, without prior written permission of the |
| Apache Software Foundation. |
| |
| THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, |
| INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU- |
| DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| This software consists of voluntary contributions made by many individuals |
| on behalf of the Apache Software Foundation and was originally created by |
| James Tauber <jtauber@jtauber.com>. For more information on the Apache |
| Software Foundation, please see <http://www.apache.org/>. |
| |
| */ |
| package org.apache.fop.pdf; |
| |
| // Java |
| import java.io.PrintWriter; |
| import org.apache.fop.messaging.MessageHandler; |
| import java.util.Vector; |
| |
| /** |
| * class representing a /Pages object. |
| * |
| * A /Pages object is an ordered collection of pages (/Page objects) |
| * (Actually, /Pages can contain further /Pages as well but this |
| * implementation doesn't allow this) |
| */ |
| public class PDFPages extends PDFObject { |
| |
| /** the /Page objects */ |
| protected Vector kids = new Vector(); |
| |
| /** the number of /Page objects */ |
| protected int count = 0; |
| |
| // private PDFPages parent; |
| |
| /** |
| * create a /Pages object. |
| * |
| * @param number the object's number |
| */ |
| public PDFPages(int number) { |
| |
| /* generic creation of object */ |
| super(number); |
| } |
| |
| /** |
| * add a /Page object. |
| * |
| * @param page the PDFPage to add. |
| */ |
| public void addPage(PDFPage page) { |
| this.kids.addElement(page); |
| page.setParent(this); |
| this.incrementCount(); |
| } |
| |
| /** |
| * get the count of /Page objects |
| * |
| * @return the number of pages |
| */ |
| public int getCount() { |
| return this.count; |
| } |
| |
| /** |
| * increment the count of /Page objects |
| */ |
| public void incrementCount() { |
| this.count++; |
| // MessageHandler.logln("Incrementing count to " + this.getCount()); |
| } |
| |
| /** |
| * represent the object in PDF |
| * |
| * @return the PDF string |
| */ |
| public byte[] toPDF() { |
| StringBuffer p = new StringBuffer(this.number + " " |
| + this.generation |
| + " obj\n<< /Type /Pages\n/Count " |
| + this.getCount() + "\n/Kids ["); |
| for (int i = 0; i < kids.size(); i++) { |
| p = p.append(((PDFObject)kids.elementAt(i)).referencePDF() + " "); |
| } |
| p = p.append("] >>\nendobj\n"); |
| return p.toString().getBytes(); |
| } |
| } |