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/*
* Copyright 1996-2003 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package java.rmi.server;
/**
* A <code>ServerCloneException</code> is thrown if a remote exception occurs
* during the cloning of a <code>UnicastRemoteObject</code>.
*
* <p>As of release 1.4, this exception has been retrofitted to conform to
* the general purpose exception-chaining mechanism. The "nested exception"
* that may be provided at construction time and accessed via the public
* {@link #detail} field is now known as the <i>cause</i>, and may be
* accessed via the {@link Throwable#getCause()} method, as well as
* the aforementioned "legacy field."
*
* <p>Invoking the method {@link Throwable#initCause(Throwable)} on an
* instance of <code>ServerCloneException</code> always throws {@link
* IllegalStateException}.
*
* @author Ann Wollrath
* @since JDK1.1
* @see java.rmi.server.UnicastRemoteObject#clone()
*/
public class ServerCloneException extends CloneNotSupportedException {
/**
* The cause of the exception.
*
* <p>This field predates the general-purpose exception chaining facility.
* The {@link Throwable#getCause()} method is now the preferred means of
* obtaining this information.
*
* @serial
*/
public Exception detail;
/* indicate compatibility with JDK 1.1.x version of class */
private static final long serialVersionUID = 6617456357664815945L;
/**
* Constructs a <code>ServerCloneException</code> with the specified
* detail message.
*
* @param s the detail message.
*/
public ServerCloneException(String s) {
super(s);
initCause(null); // Disallow subsequent initCause
}
/**
* Constructs a <code>ServerCloneException</code> with the specified
* detail message and cause.
*
* @param s the detail message.
* @param cause the cause
*/
public ServerCloneException(String s, Exception cause) {
super(s);
initCause(null); // Disallow subsequent initCause
detail = cause;
}
/**
* Returns the detail message, including the message from the cause, if
* any, of this exception.
*
* @return the detail message
*/
public String getMessage() {
if (detail == null)
return super.getMessage();
else
return super.getMessage() +
"; nested exception is: \n\t" +
detail.toString();
}
/**
* Returns the cause of this exception. This method returns the value
* of the {@link #detail} field.
*
* @return the cause, which may be <tt>null</tt>.
* @since 1.4
*/
public Throwable getCause() {
return detail;
}
}
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