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commons-lang-2.6.jar - Apache Commons Lang
commons-lang-2.6.jar is the JAR file for Apache Commons Lang 2.6, which provides a host of helper utilities for the java.lang API.
JAR File Size and Download Location:
File name: commons-lang-2.6.jar File size: 284220 bytes Date modified: 01/13/2011 Download: Apache Commons Lang Website
✍: FYIcenter
⏎ org/apache/commons/lang/IllegalClassException.java
/* * 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. */ package org.apache.commons.lang; /** * <p>Thrown when an object is an instance of an unexpected type (a class or interface). * This exception supplements the standard <code>IllegalArgumentException</code> * by providing a more semantically rich description of the problem.</p> * * <p><code>IllegalClassException</code> represents the case where a method takes * in a genericly typed parameter like Object (typically because it has to due to some * other interface it implements), but this implementation only actually accepts a specific * type, for example String. This exception would be used in place of * <code>IllegalArgumentException</code>, yet it still extends it.</p> * * <pre> * public void foo(Object obj) { * if (obj instanceof String == false) { * throw new IllegalClassException(String.class, obj); * } * // do something with the string * } * </pre> * * @author Apache Software Foundation * @author Matthew Hawthorne * @author Gary Gregory * @since 2.0 * @version $Id: IllegalClassException.java 905636 2010-02-02 14:03:32Z niallp $ */ public class IllegalClassException extends IllegalArgumentException { /** * Required for serialization support. * * @see java.io.Serializable */ private static final long serialVersionUID = 8063272569377254819L; /** * <p>Instantiates with the expected type, and actual object.</p> * * @param expected the expected type * @param actual the actual object * @since 2.1 */ public IllegalClassException(Class expected, Object actual) { super( "Expected: " + safeGetClassName(expected) + ", actual: " + (actual == null ? "null" : actual.getClass().getName())); } /** * <p>Instantiates with the expected and actual types.</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(); } }
⏎ org/apache/commons/lang/IllegalClassException.java
⇒ commons-lang-1.0.1.jar - Apache Commons Lang
⇐ What Is commons-lang3-3.1.jar
2009-12-24, 75442👍, 0💬
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