| /* |
| * Copyright (c) 1999, 2006, 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.reflect; |
| |
| /** |
| * Thrown by a method invocation on a proxy instance if its invocation |
| * handler's {@link InvocationHandler#invoke invoke} method throws a |
| * checked exception (a {@code Throwable} that is not assignable |
| * to {@code RuntimeException} or {@code Error}) that |
| * is not assignable to any of the exception types declared in the |
| * {@code throws} clause of the method that was invoked on the |
| * proxy instance and dispatched to the invocation handler. |
| * |
| * <p>An {@code UndeclaredThrowableException} instance contains |
| * the undeclared checked exception that was thrown by the invocation |
| * handler, and it can be retrieved with the |
| * {@code getUndeclaredThrowable()} method. |
| * {@code UndeclaredThrowableException} extends |
| * {@code RuntimeException}, so it is an unchecked exception |
| * that wraps a checked exception. |
| * |
| * <p>As of release 1.4, this exception has been retrofitted to |
| * conform to the general purpose exception-chaining mechanism. The |
| * "undeclared checked exception that was thrown by the invocation |
| * handler" that may be provided at construction time and accessed via |
| * the {@link #getUndeclaredThrowable()} method is now known as the |
| * <i>cause</i>, and may be accessed via the {@link |
| * Throwable#getCause()} method, as well as the aforementioned "legacy |
| * method." |
| * |
| * @author Peter Jones |
| * @see InvocationHandler |
| * @since 1.3 |
| */ |
| public class UndeclaredThrowableException extends RuntimeException { |
| static final long serialVersionUID = 330127114055056639L; |
| |
| /** |
| * the undeclared checked exception that was thrown |
| * @serial |
| */ |
| private Throwable undeclaredThrowable; |
| |
| /** |
| * Constructs an {@code UndeclaredThrowableException} with the |
| * specified {@code Throwable}. |
| * |
| * @param undeclaredThrowable the undeclared checked exception |
| * that was thrown |
| */ |
| public UndeclaredThrowableException(Throwable undeclaredThrowable) { |
| super((Throwable) null); // Disallow initCause |
| this.undeclaredThrowable = undeclaredThrowable; |
| } |
| |
| /** |
| * Constructs an {@code UndeclaredThrowableException} with the |
| * specified {@code Throwable} and a detail message. |
| * |
| * @param undeclaredThrowable the undeclared checked exception |
| * that was thrown |
| * @param s the detail message |
| */ |
| public UndeclaredThrowableException(Throwable undeclaredThrowable, |
| String s) |
| { |
| super(s, null); // Disallow initCause |
| this.undeclaredThrowable = undeclaredThrowable; |
| } |
| |
| /** |
| * Returns the {@code Throwable} instance wrapped in this |
| * {@code UndeclaredThrowableException}, which may be {@code null}. |
| * |
| * <p>This method predates the general-purpose exception chaining facility. |
| * The {@link Throwable#getCause()} method is now the preferred means of |
| * obtaining this information. |
| * |
| * @return the undeclared checked exception that was thrown |
| */ |
| public Throwable getUndeclaredThrowable() { |
| return undeclaredThrowable; |
| } |
| |
| /** |
| * Returns the cause of this exception (the {@code Throwable} |
| * instance wrapped in this {@code UndeclaredThrowableException}, |
| * which may be {@code null}). |
| * |
| * @return the cause of this exception. |
| * @since 1.4 |
| */ |
| public Throwable getCause() { |
| return undeclaredThrowable; |
| } |
| } |