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.authorization;
018
019import org.apache.wicket.request.component.IRequestableComponent;
020import org.apache.wicket.core.util.lang.WicketObjects;
021
022/**
023 * Exception that is thrown when the creation of a component is not allowed.
024 * 
025 * @author Eelco Hillenius
026 * @author Jonathan Locke
027 */
028public class UnauthorizedInstantiationException extends AuthorizationException
029{
030        private static final long serialVersionUID = 1L;
031
032        /** The component class that could not be instantiated */
033        private final String componentClassName;
034
035        /**
036         * Construct.
037         * 
038         * @param <T>
039         *            The component type.
040         * 
041         * @param componentClass
042         *            The unauthorized component class
043         */
044        public <T extends IRequestableComponent> UnauthorizedInstantiationException(
045                final Class<T> componentClass)
046        {
047                super("Not authorized to instantiate class " + componentClass.getName());
048                componentClassName = componentClass.getName();
049        }
050
051        /**
052         * @return The component class that could not be instantiated
053         */
054        public Class<? extends IRequestableComponent> getComponentClass()
055        {
056                return WicketObjects.resolveClass(componentClassName);
057        }
058}