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113 lines
2.8 KiB
113 lines
2.8 KiB
/*
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* Copyright (c) 1996, 2003, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package java.rmi.server;
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/**
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* A <code>ServerCloneException</code> is thrown if a remote exception occurs
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* during the cloning of a <code>UnicastRemoteObject</code>.
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*
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* <p>As of release 1.4, this exception has been retrofitted to conform to
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* the general purpose exception-chaining mechanism. The "nested exception"
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* that may be provided at construction time and accessed via the public
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* {@link #detail} field is now known as the <i>cause</i>, and may be
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* accessed via the {@link Throwable#getCause()} method, as well as
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* the aforementioned "legacy field."
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*
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* <p>Invoking the method {@link Throwable#initCause(Throwable)} on an
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* instance of <code>ServerCloneException</code> always throws {@link
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* IllegalStateException}.
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*
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* @author Ann Wollrath
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* @since JDK1.1
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* @see java.rmi.server.UnicastRemoteObject#clone()
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*/
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public class ServerCloneException extends CloneNotSupportedException {
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/**
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* The cause of the exception.
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*
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* <p>This field predates the general-purpose exception chaining facility.
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* The {@link Throwable#getCause()} method is now the preferred means of
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* obtaining this information.
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*
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* @serial
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*/
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public Exception detail;
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/* indicate compatibility with JDK 1.1.x version of class */
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private static final long serialVersionUID = 6617456357664815945L;
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/**
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* Constructs a <code>ServerCloneException</code> with the specified
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* detail message.
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*
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* @param s the detail message.
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*/
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public ServerCloneException(String s) {
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super(s);
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initCause(null); // Disallow subsequent initCause
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}
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/**
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* Constructs a <code>ServerCloneException</code> with the specified
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* detail message and cause.
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*
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* @param s the detail message.
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* @param cause the cause
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*/
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public ServerCloneException(String s, Exception cause) {
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super(s);
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initCause(null); // Disallow subsequent initCause
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detail = cause;
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}
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/**
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* Returns the detail message, including the message from the cause, if
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* any, of this exception.
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*
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* @return the detail message
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*/
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public String getMessage() {
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if (detail == null)
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return super.getMessage();
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else
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return super.getMessage() +
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"; nested exception is: \n\t" +
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detail.toString();
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}
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/**
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* Returns the cause of this exception. This method returns the value
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* of the {@link #detail} field.
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*
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* @return the cause, which may be <tt>null</tt>.
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* @since 1.4
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*/
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public Throwable getCause() {
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return detail;
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}
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}
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