001/*
002 * $Id: PdfSchema.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 com.itextpdf.text.Document;
047
048/**
049 * An implementation of an XmpSchema.
050 */
051public class PdfSchema extends XmpSchema {
052
053        private static final long serialVersionUID = -1541148669123992185L;
054        /** default namespace identifier*/
055        public static final String DEFAULT_XPATH_ID = "pdf";
056        /** default namespace uri*/
057        public static final String DEFAULT_XPATH_URI = "http://ns.adobe.com/pdf/1.3/";
058        
059        /** Keywords. */
060        public static final String KEYWORDS = "pdf:Keywords";
061        /** The PDF file version (for example: 1.0, 1.3, and so on). */
062        public static final String VERSION = "pdf:PDFVersion";
063        /** The Producer. */
064        public static final String PRODUCER = "pdf:Producer";
065
066
067        public PdfSchema() {
068                super("xmlns:" + DEFAULT_XPATH_ID + "=\"" + DEFAULT_XPATH_URI + "\"");
069                addProducer(Document.getVersion());
070        }
071        
072        /**
073         * Adds keywords.
074         * @param keywords
075         */
076        public void addKeywords(String keywords) {
077                setProperty(KEYWORDS, keywords);
078        }
079        
080        /**
081         * Adds the producer.
082         * @param producer
083         */
084        public void addProducer(String producer) {
085                setProperty(PRODUCER, producer);
086        }
087
088        /**
089         * Adds the version.
090         * @param version
091         */
092        public void addVersion(String version) {
093                setProperty(VERSION, version);
094        }
095}