| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2002-2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Commons", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.commons.lang; |
| |
| /** |
| * <p>Thrown when an object is an instance of an unexpected type (a class or interface).</p> |
| * |
| * @author Matthew Hawthorne |
| * @author Gary Gregory |
| * @since 2.0 |
| * @version $Id: IllegalClassException.java,v 1.4 2003/07/14 22:25:02 bayard Exp $ |
| */ |
| public class IllegalClassException extends IllegalArgumentException { |
| |
| /** |
| * <p>Instantiates with the specified types (classes or interfaces).</p> |
| * |
| * @param expected the expected type |
| * @param actual the actual type |
| */ |
| public IllegalClassException(Class expected, Class actual) { |
| super( |
| "Expected: " |
| + safeGetClassName(expected) |
| + ", actual: " |
| + safeGetClassName(actual)); |
| } |
| |
| /** |
| * <p>Instantiates with the specified message.</p> |
| * |
| * @param message the exception message |
| */ |
| public IllegalClassException(String message) { |
| super(message); |
| } |
| |
| /** |
| * <p>Returns the class name or <code>null</code> if the class is |
| * <code>null</code>.</p> |
| * |
| * @param cls a <code>Class</code> |
| * @return the name of <code>cls</code>, or <code>null</code> if if <code>cls</code> is <code>null</code>. |
| */ |
| private static final String safeGetClassName(Class cls) { |
| return cls == null ? null : cls.getName(); |
| } |
| |
| } |