Here you can find the source of marshall(Object o)
static String marshall(Object o) throws JAXBException
//package com.java2s; /*/*from w ww . j a v a 2 s. c om*/ * Copyright (C) 2013, Peter Decsi. * * This library is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation, either * version 3 of the License, or (at your option) any later version. * * This library 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 Lesser General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this library. If not, see <http://www.gnu.org/licenses/>. */ import java.io.StringWriter; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; public class Main { static String marshall(Object o) throws JAXBException { return marshall(o, o.getClass()); } static String marshall(Object o, Class clazz) throws JAXBException { JAXBContext ctx = JAXBContext.newInstance(clazz); Marshaller m = ctx.createMarshaller(); StringWriter writer = new StringWriter(); m.marshal(o, writer); String result = writer.toString(); int begin = result.indexOf("?>"); if (begin == 0) return result; return result.substring(begin + 2); } }