XMLWriter.java

/*
 * Copyright 2010-2011 Ning, Inc.
 *
 * Ning licenses this file to you 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 com.ning.billing.util.config;

import java.io.ByteArrayOutputStream;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;

public class XMLWriter<T> {
	final private static  int MAX_XML_SIZE_IN_BYTES = 100000;
	
	public static <T> String writeXML(T object, Class<T> type) throws Exception {
   	 	JAXBContext context =JAXBContext.newInstance(type);
        Marshaller marshaller = context.createMarshaller();
        marshaller.setProperty( Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE );
        ByteArrayOutputStream output = new ByteArrayOutputStream(MAX_XML_SIZE_IN_BYTES);
        
        marshaller.marshal(object, output);
        
        return new String(output.toByteArray());
   }
}