Here you can find the source of clearDefaultResourceBundles()
public static void clearDefaultResourceBundles()
//package com.java2s; /*//from w ww. j a va 2 s .c o m * $Id$ * * 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.util.*; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentMap; public class Main { private static final ConcurrentMap<Integer, List<String>> classLoaderMap = new ConcurrentHashMap<>(); private static final String XWORK_MESSAGES_BUNDLE = "com/opensymphony/xwork2/xwork-messages"; /** * Clears the internal list of resource bundles. */ public static void clearDefaultResourceBundles() { ClassLoader ccl = getCurrentThreadContextClassLoader(); List<String> bundles = new ArrayList<>(); classLoaderMap.put(ccl.hashCode(), bundles); bundles.add(0, XWORK_MESSAGES_BUNDLE); } private static ClassLoader getCurrentThreadContextClassLoader() { return Thread.currentThread().getContextClassLoader(); } }