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Diffstat (limited to 'libjava/classpath/java/rmi/RemoteException.java')
-rw-r--r-- | libjava/classpath/java/rmi/RemoteException.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/libjava/classpath/java/rmi/RemoteException.java b/libjava/classpath/java/rmi/RemoteException.java new file mode 100644 index 0000000..cbbb262 --- /dev/null +++ b/libjava/classpath/java/rmi/RemoteException.java @@ -0,0 +1,127 @@ +/* RemoteException.java -- common superclass for exceptions in java.rmi + Copyright (c) 1996, 1997, 1998, 1999, 2002 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.rmi; + +import java.io.IOException; + +/** + * The superclass of exceptions related to RMI (remote method invocation). + * Classes that implement <code>java.rmi.Remote</code> should list this + * exception in their throws clause. + * + * @author unknown + * @since 1.1 + * @status updated to 1.4 + */ +public class RemoteException extends IOException +{ + /** + * Compatible with JDK 1.2+. + */ + private static final long serialVersionUID = -5148567311918794206l; + + /** + * The cause of this exception. This pre-dates the exception chaining + * of Throwable; and although you can change this field, you are wiser + * to leave it alone. + * + * @serial the exception cause + */ + public Throwable detail; + + /** + * Create an exception with no message, and cause initialized to null. + */ + public RemoteException() + { + this(null, null); + } + + /** + * Create an exception with the given message, and cause initialized to null. + * + * @param s the message + */ + public RemoteException(String s) + { + this(s, null); + } + + /** + * Create an exception with the given message and cause. + * + * @param s the message + * @param ex the cause + */ + public RemoteException(String s, Throwable e) + { + super(s); + initCause(e); + detail = e; + } + + /** + * This method returns a message indicating what went wrong, in this + * format: + * <code>super.getMessage() + (detail == null ? "" + * : "; nested exception is:\n\t" + detail)</code>. + * + * @return the chained message + */ + public String getMessage() + { + if (detail == this || detail == null) + return super.getMessage(); + return super.getMessage() + "; nested exception is:\n\t" + detail; + } + + /** + * Returns the cause of this exception. Note that this may not be the + * original cause, thanks to the <code>detail</code> field being public + * and non-final (yuck). However, to avoid violating the contract of + * Throwable.getCause(), this returns null if <code>detail == this</code>, + * as no exception can be its own cause. + * + * @return the cause + * @since 1.4 + */ + public Throwable getCause() + { + return detail == this ? null : detail; + } +} |