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
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037 * These activities include: offering paid services to customers as an ASP,
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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}