001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.application;
018
019/**
020 * Resolves a class by using the classloader that loaded this class.
021 * 
022 * @see org.apache.wicket.settings.ApplicationSettings#getClassResolver()
023 * 
024 * @author Juergen Donnerstag
025 * @author Jonathan Locke
026 */
027public final class DefaultClassResolver extends AbstractClassResolver
028{
029
030        /**
031         * {@inheritDoc}
032         * 
033         * @return the current {@link Thread}s context {@link ClassLoader} if it is set, or the
034         *         {@link ClassLoader} that was used to load this class.
035         */
036        @Override
037        public ClassLoader getClassLoader()
038        {
039                ClassLoader loader = Thread.currentThread().getContextClassLoader();
040                if (loader == null)
041                {
042                        loader = DefaultClassResolver.class.getClassLoader();
043                }
044                return loader;
045        }
046}