/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) 1999-2006 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.core.util.xml;
import java.beans.XMLEncoder;
import java.io.BufferedOutputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.util.Iterator;
import java.util.List;
import org.dom4j.Element;
import org.olat.core.logging.OLATRuntimeException;
/**
* enclosing_type Description: <br>
*
* @author Felix Jost
*/
public class Util {
/**
* @param o
* @param file
*/
public static void writeObjectAsXML(Object o, String file) {
XMLEncoder e;
try {
e = new XMLEncoder(new BufferedOutputStream(new FileOutputStream(file)));
e.writeObject(o);
e.close();
} catch (FileNotFoundException e1) {
throw new OLATRuntimeException(Util.class, "Error writing object to XML.", e1);
}
}
/**
* @param elem
* @return String
*/
public static String getTextsOnly(Element elem) {
StringBuilder sb = new StringBuilder();
visit(sb, elem);
return sb.toString();
}
private static void visit(StringBuilder sb, Element elem) {
sb.append(elem.getTextTrim());
List children = elem.elements();
for (Iterator it_ch = children.iterator(); it_ch.hasNext();) {
Element element = (Element) it_ch.next();
visit(sb, element);
}
}
}