Here you can find the source of serialize(JAXBElement
public static <T> String serialize(JAXBElement<T> object) throws JAXBException, IOException
//package com.java2s; /**//from w w w. j a v a2s .com * Berazy Bookkeeping API Client * * @author <a href="mailto:johan@berazy.se">Johan Sall Larsson</a> * @version 1.0.0 * * MIT LICENSE * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ import java.io.IOException; import java.io.StringWriter; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBElement; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; public class Main { public static <T> String serialize(JAXBElement<T> object) throws JAXBException, IOException { Class<?> clazz = object.getValue().getClass(); JAXBContext context = JAXBContext.newInstance(clazz.getPackage().getName()); Marshaller marshaller = context.createMarshaller(); StringWriter sw = new StringWriter(); marshaller.marshal(object, sw); sw.close(); return sw.toString(); } }