001/* Book.java -- A mixed group of pages to print. 002 Copyright (C) 1999, 2004 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package java.awt.print; 040 041import java.util.Vector; 042 043/** 044 * This class allows documents to be created with different paper types, 045 * page formatters, and painters. 046 * 047 * @author Aaron M. Renn (arenn@urbanophile.com) 048 */ 049public class Book implements Pageable 050{ 051 /** 052 * Painter objects for the book. 053 */ 054 Vector printables = new Vector(); 055 056 /** 057 * Page formats for the book. 058 */ 059 Vector page_formats = new Vector(); 060 061 /** 062 * Initializes a new instance of <code>Book</code> that is empty. 063 */ 064 public Book() 065 { 066 } 067 068 /** 069 * Returns the number of pages in this book. 070 * 071 * @return The number of pages in this book. 072 */ 073 public int getNumberOfPages() 074 { 075 return printables.size(); 076 } 077 078 /** 079 * This method returns the <code>PageFormat</code> object for the 080 * specified page. 081 * 082 * @param page_number The number of the page to get information for, where 083 * page numbers start at 0. 084 * 085 * @return The <code>PageFormat</code> object for the specified page. 086 * 087 * @exception IndexOutOfBoundsException If the page number is not valid. 088 */ 089 public PageFormat getPageFormat(int page_number) 090 { 091 return (PageFormat) page_formats.elementAt(page_number); 092 } 093 094 /** 095 * This method returns the <code>Printable</code> object for the 096 * specified page. 097 * 098 * @param page_number The number of the page to get information for, where 099 * page numbers start at 0. 100 * 101 * @return The <code>Printable</code> object for the specified page. 102 * 103 * @exception IndexOutOfBoundsException If the page number is not valid. 104 */ 105 public Printable getPrintable(int page_number) 106 { 107 return (Printable) printables.elementAt(page_number); 108 } 109 110 /** 111 * This method appends a page to the end of the book. 112 * 113 * @param printable The <code>Printable</code> for this page. 114 * @param page_format The <code>PageFormat</code> for this page. 115 * 116 * @exception NullPointerException If either argument is <code>null</code>. 117 */ 118 public void append(Printable printable, PageFormat page_format) 119 { 120 append(printable, page_format, 1); 121 } 122 123 /** 124 * This method appends the specified number of pages to the end of the book. 125 * Each one will be associated with the specified <code>Printable</code> 126 * and <code>PageFormat</code>. 127 * 128 * @param printable The <code>Printable</code> for this page. 129 * @param page_format The <code>PageFormat</code> for this page. 130 * @param num_pages The number of pages to append. 131 * 132 * @exception NullPointerException If any argument is <code>null</code>. 133 */ 134 public void append(Printable printable, PageFormat page_format, int num_pages) 135 { 136 for (int i = 0; i < num_pages; i++) 137 { 138 printables.addElement(printable); 139 page_formats.addElement(page_format); 140 } 141 } 142 143 /** 144 * This method changes the <code>Printable</code> and <code>PageFormat</code> 145 * for the specified page. The page must already exist or an exception 146 * will be thrown. 147 * 148 * @param page_num The page number to alter. 149 * @param printable The new <code>Printable</code> for the page. 150 * @param page_format The new <code>PageFormat</code> for the page. 151 * 152 * @throws IndexOutOfBoundsException If the specified page does not exist. 153 */ 154 public void setPage(int page_num, Printable printable, PageFormat page_format) 155 { 156 printables.setElementAt(printable, page_num); 157 page_formats.setElementAt(page_format, page_num); 158 } 159}