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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/lang/reflect/UndeclaredThrowableException.java | |
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Diffstat (limited to 'libjava/classpath/java/lang/reflect/UndeclaredThrowableException.java')
-rw-r--r-- | libjava/classpath/java/lang/reflect/UndeclaredThrowableException.java | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/libjava/classpath/java/lang/reflect/UndeclaredThrowableException.java b/libjava/classpath/java/lang/reflect/UndeclaredThrowableException.java new file mode 100644 index 000000000..ea574ad7c --- /dev/null +++ b/libjava/classpath/java/lang/reflect/UndeclaredThrowableException.java @@ -0,0 +1,128 @@ +/* UndeclaredThrowableException.java -- wraps an undeclared checked exception + thrown by a Proxy invocation handler + Copyright (C) 2001, 2002, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +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. + * + * <p>When thrown by Proxy, this class will always wrap a checked + * exception, never {@link Error} or {@link RuntimeException}, + * which are unchecked. + * + * @author Eric Blake (ebb9@email.byu.edu) + * @see Proxy + * @see InvocationHandler + * @since 1.3 + * @status updated to 1.4 + */ +public class UndeclaredThrowableException extends RuntimeException +{ + /** + * Compatible with JDK 1.3+. + */ + private static final long serialVersionUID = 330127114055056639L; + + /** + * The immutable exception that this wraps. This field is redundant + * with {@link Throwable#getCause()}, 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) + { + super(message, cause); + 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 <code>getCause()</code>. + * + * @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; + } +} |