Here you can find the source of marshal(T value, Class
public static <T> void marshal(T value, Class<T> elementClass, String packageName, QName q_name, OutputStream oStream) throws JAXBException
//package com.java2s; /**/*ww w . jav a 2 s . co m*/ * Copyright 2013 SPeCS Research Group. * * 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. under the License. */ import java.io.OutputStream; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBElement; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; import javax.xml.namespace.QName; public class Main { public static <T> void marshal(T value, Class<T> elementClass, String packageName, QName q_name, OutputStream oStream) throws JAXBException { final JAXBElement<T> jaxbEl = createRootElement(value, q_name, elementClass); final JAXBContext jc = JAXBContext.newInstance(packageName); final Marshaller m = jc.createMarshaller(); m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true); m.setProperty(Marshaller.JAXB_ENCODING, "UTF-8"); m.marshal(jaxbEl, oStream); } private static <T> JAXBElement<T> createRootElement(T value, QName q_name, Class<T> elementClass) { return new JAXBElement<>(q_name, elementClass, null, value); } }