/* java.lang.reflect.UndeclaredThrowableException Copyright (C) 2001 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath 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 for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. As a special exception, if you link this library with other files to produce an executable, this library does not by itself cause the resulting executable to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU General Public License. */ package java.lang.reflect; /** * This exception class is thrown by a {@link Proxy} instance if * the {@link InvocationHandler#invoke(Object, Method, Object[]) invoke} * method of that instance's InvocationHandler attempts to throw an * exception that not declared by the throws clauses of all of the * interface methods that the proxy instance is implementing.

* * When thrown by Proxy, this class will always wrap a checked * exception, never {@link Error} or {@link RuntimeException}, * which are unchecked. * * @see Proxy * @see InvocationHandler * @author Eric Blake * @since 1.3 * @status stuck at 1.3; awaiting exception chaining in Throwable */ public class UndeclaredThrowableException extends RuntimeException { /** * Compliant with JDK 1.3+ */ private static final long serialVersionUID = 330127114055056639L; /** * The immutable exception that this wraps. * This field is redundant with {@link Throwable#cause}, but * is necessary for serial compatibility. * @serial the chained exception */ private final Throwable undeclaredThrowable; /** * Wraps the given checked exception into a RuntimeException, with no * detail message. {@link Throwable#initCause(Throwable)} will fail * on this instance. * * @param cause the undeclared throwable that caused this exception, * may be null */ public UndeclaredThrowableException(Throwable cause) { this(cause, null); } /** * Wraps the given checked exception into a RuntimeException, with the * specified detail message. {@link Throwable#initCause(Throwable)} will * fail on this instance. * * @param cause the undeclared throwable that caused this exception, * may be null * @param message the message, may be null */ public UndeclaredThrowableException(Throwable cause, String message) { // XXX Use this implementation when Throwable is ready. // super(message, cause); // undeclaredThrowable = cause; super(message); undeclaredThrowable = cause; } /** * Returns the cause of this exception. If this exception was created * by a {@link Proxy} instance, it will be a non-null checked * exception. This method pre-dates exception chaining, and is now * simply a longer way to call getCause(). * * @return the cause of this exception, may be null * @see #getCause() */ public Throwable getUndeclaredThrowable() { return undeclaredThrowable; } /** * Returns the cause of this exception. If this exception was created * by a {@link Proxy} instance, it will be a non-null checked * exception. * * @return the cause of this exception, may be null * @since 1.4 */ public Throwable getCause() { return undeclaredThrowable; } }