Java tutorial
/* * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.lang; /** * Thrown when an application tries to access a type using a string * representing the type's name, but no definition for the type with * the specified name can be found. This exception differs from * {@link ClassNotFoundException} in that {@code ClassNotFoundException} is a * checked exception, whereas this exception is unchecked. * * <p>Note that this exception may be used when undefined type variables * are accessed as well as when types (e.g., classes, interfaces or * annotation types) are loaded. * In particular, this exception can be thrown by the {@linkplain * java.lang.reflect.AnnotatedElement API used to read annotations * reflectively}. * * @author Josh Bloch * @see java.lang.reflect.AnnotatedElement * @since 1.5 */ public class TypeNotPresentException extends RuntimeException { private static final long serialVersionUID = -5101214195716534496L; private String typeName; /** * Constructs a {@code TypeNotPresentException} for the named type * with the specified cause. * * @param typeName the fully qualified name of the unavailable type * @param cause the exception that was thrown when the system attempted to * load the named type, or {@code null} if unavailable or inapplicable */ public TypeNotPresentException(String typeName, Throwable cause) { super("Type " + typeName + " not present", cause); this.typeName = typeName; } /** * Returns the fully qualified name of the unavailable type. * * @return the fully qualified name of the unavailable type */ public String typeName() { return typeName; } }