/**
 * Copyright 2009-2012 OpenAIRE PROJECT (Bielefeld University)
 * Original author: Marek Imialek <marek.imialek at uni-bielefeld.de>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package eu.dnetlib.data.udm.utils;

import java.io.StringWriter;

import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

/**
 * @author <a href="mailto:marek.imialek at uni-bielefeld.de">Marek Imialek</a>
 *
 */
public class XMLUtils {

	/**
	 * Xml pretty printer.
	 * 
	 * @param xml the xml
	 * 
	 * @return the string
	 * 
	 * @throws Exception the exception
	 */
	public static String xmlPrettyPrinter (String xml) throws Exception {
		Document doc = DocumentHelper.parseText(xml);  
		StringWriter sw = new StringWriter();  
		OutputFormat format = OutputFormat.createPrettyPrint();  
		XMLWriter xw = new XMLWriter(sw, format);  
		xw.write(doc);  	
		return sw.toString();
	}
}