1 /* 2 * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.lang; 27 28 /** 29 * Thrown when an application tries to access a type using a string 30 * representing the type's name, but no definition for the type with 31 * the specified name can be found. This exception differs from 32 * {@link ClassNotFoundException} in that <tt>ClassNotFoundException</tt> is a 33 * checked exception, whereas this exception is unchecked. 34 * 35 * <p>Note that this exception may be used when undefined type variables 36 * are accessed as well as when types (e.g., classes, interfaces or 37 * annotation types) are loaded. 38 * In particular, this exception can be thrown by the {@linkplain 39 * java.lang.reflect.AnnotatedElement API used to read annotations 40 * reflectively}. 41 * 42 * @author Josh Bloch 43 * @see java.lang.reflect.AnnotatedElement 44 * @since 1.5 45 */ 46 public class TypeNotPresentException extends RuntimeException { 47 private static final long serialVersionUID = -5101214195716534496L; 48 49 private String typeName; 50 51 /** 52 * Constructs a <tt>TypeNotPresentException</tt> for the named type 53 * with the specified cause. 54 * 55 * @param typeName the fully qualified name of the unavailable type 56 * @param cause the exception that was thrown when the system attempted to 57 * load the named type, or <tt>null</tt> if unavailable or inapplicable 58 */ TypeNotPresentException(String typeName, Throwable cause)59 public TypeNotPresentException(String typeName, Throwable cause) { 60 super("Type " + typeName + " not present", cause); 61 this.typeName = typeName; 62 } 63 64 /** 65 * Returns the fully qualified name of the unavailable type. 66 * 67 * @return the fully qualified name of the unavailable type 68 */ typeName()69 public String typeName() { return typeName;} 70 } 71