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jeremybenn |
/* ServerCloneException.java -- a UnicastRemoteObject could not be cloned
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Copyright (c) 1996, 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.rmi.server;
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/**
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* Thrown if a remote exception occurs during the cloning process of a
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* <code>UnicastRemoteObject</code>.
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*
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* @author unknown
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* @see UnicastRemoteObject#clone()
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* @since 1.1
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* @status updated to 1.4
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*/
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public class ServerCloneException extends CloneNotSupportedException
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{
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/**
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* Compatible with JDK 1.1+.
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*/
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private static final long serialVersionUID = 6617456357664815945L;
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/**
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* The cause of this exception. This pre-dates the exception chaining
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* of Throwable; and although you can change this field, you are wiser
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* to leave it alone.
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*
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* @serial the exception cause
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*/
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public Exception detail;
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/**
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* Create an exception with a message.
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*
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* @param s the message
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*/
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public ServerCloneException(String s)
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{
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this(s, null);
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}
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/**
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* Create an exception with a message and a cause.
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*
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* @param s the message
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* @param e the cause
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*/
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public ServerCloneException(String s, Exception e)
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{
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super(s);
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initCause(e);
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detail = e;
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}
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/**
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* This method returns a message indicating what went wrong, in this
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* format:
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* <code>super.getMessage() + (detail == null ? ""
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* : "; nested exception is:\n\t" + detail)</code>.
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*
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* @return the chained message
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*/
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public String getMessage()
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{
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if (detail == this || detail == null)
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return super.getMessage();
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return super.getMessage() + "; nested exception is:\n\t" + detail;
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}
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/**
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* Returns the cause of this exception. Note that this may not be the
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* original cause, thanks to the <code>detail</code> field being public
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* and non-final (yuck). However, to avoid violating the contract of
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* Throwable.getCause(), this returns null if <code>detail == this</code>,
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* as no exception can be its own cause.
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*
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* @return the cause
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* @since 1.4
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*/
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public Throwable getCause()
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{
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return detail == this ? null : detail;
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}
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}
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