Here you can find the source of createRIContext(Class> clss[], String defaultNS)
public static JAXBContext createRIContext(Class<?> clss[], String defaultNS) throws JAXBException
//package com.java2s; /**/*from ww w .ja v a2 s .com*/ * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF 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. */ import java.lang.reflect.Method; import java.util.HashMap; import java.util.Map; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; public class Main { public static JAXBContext createRIContext(Class<?> clss[], String defaultNS) throws JAXBException { try { Class<?> cls; Map<String, Object> map = new HashMap<String, Object>(); try { cls = Class.forName("com.sun.xml.bind.v2.ContextFactory"); if (defaultNS != null) { map.put("com.sun.xml.bind.defaultNamespaceRemap", defaultNS); } } catch (ClassNotFoundException e) { // TODO Auto-generated catch block cls = Class.forName("com.sun.xml.internal.bind.v2.ContextFactory"); if (defaultNS != null) { map.put("com.sun.xml.internal.bind.defaultNamespaceRemap", defaultNS); } } Method meth = cls.getMethod("createContext", clss.getClass(), Map.class); return (JAXBContext) meth.invoke(null, clss, map); } catch (Exception e) { throw new JAXBException(e); } } }