/*
* $Id: LangAlt.java 4784 2011-03-15 08:33:00Z blowagie $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2011 1T3XT BVBA
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
* 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.text.xml.xmp;
import java.util.Enumeration;
import java.util.Properties;
public class LangAlt extends Properties {
/** A serial version id. */
private static final long serialVersionUID = 4396971487200843099L;
/** Key for the default language. */
public static final String DEFAULT = "x-default";
/** Creates a Properties object that stores languages for use in an XmpSchema */
public LangAlt(String defaultValue) {
super();
addLanguage(DEFAULT, defaultValue);
}
/** Creates a Properties object that stores languages for use in an XmpSchema */
public LangAlt() {
super();
}
/**
* Add a language.
*/
public void addLanguage(String language, String value) {
setProperty(language, XmpSchema.escape(value));
}
/**
* Process a property.
*/
protected void process(StringBuffer buf, Object lang) {
buf.append("<rdf:li xml:lang=\"");
buf.append(lang);
buf.append("\" >");
buf.append(get(lang));
buf.append("</rdf:li>");
}
/**
* Creates a String that can be used in an XmpSchema.
*/
@Override
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("<rdf:Alt>");
for (Enumeration<?> e = this.propertyNames(); e.hasMoreElements();) {
process(sb, e.nextElement());
}
sb.append("</rdf:Alt>");
return sb.toString();
}
}
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