001/* 002 * $Id: XmpArray.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.xml.xmp; 045 046import java.util.ArrayList; 047 048/** 049 * StringBuffer to construct an XMP array. 050 */ 051public class XmpArray extends ArrayList<String> { 052 053 private static final long serialVersionUID = 5722854116328732742L; 054 /** An array that is unordered. */ 055 public static final String UNORDERED = "rdf:Bag"; 056 /** An array that is ordered. */ 057 public static final String ORDERED = "rdf:Seq"; 058 /** An array with alternatives. */ 059 public static final String ALTERNATIVE = "rdf:Alt"; 060 061 /** the type of array. */ 062 protected String type; 063 064 /** 065 * Creates an XmpArray. 066 * @param type the type of array: UNORDERED, ORDERED or ALTERNATIVE. 067 */ 068 public XmpArray(String type) { 069 this.type = type; 070 } 071 072 /** 073 * Returns the String representation of the XmpArray. 074 * @return a String representation 075 */ 076 @Override 077 public String toString() { 078 StringBuffer buf = new StringBuffer("<"); 079 buf.append(type); 080 buf.append('>'); 081 String s; 082 for (String string : this) { 083 s = string; 084 buf.append("<rdf:li>"); 085 buf.append(XmpSchema.escape(s)); 086 buf.append("</rdf:li>"); 087 } 088 buf.append("</"); 089 buf.append(type); 090 buf.append('>'); 091 return buf.toString(); 092 } 093}