bloritsch 2003/06/11 09:28:18
Added: event/src/java/org/apache/excalibur/event/command
NullCommandFailureHandler.java
Log:
Add default NullCommandFailureHandler so that the CommandManager will continue to
function as normal.
Revision Changes Path
1.1
avalon-excalibur/event/src/java/org/apache/excalibur/event/command/NullCommandFailureHandler.java
Index: NullCommandFailureHandler.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Jakarta", "Avalon", "Excalibur" and "Apache Software Foundation"
must not be used to endorse or promote products derived from this software
without prior written permission. For written permission, please contact
[EMAIL PROTECTED]
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation. For more information on the
Apache Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.excalibur.event.command;
/**
* NullCommandFailureHandler is used to do nothing if a command fails.
*
* @author <a href="bloritsch.at.apache.org">Berin Loritsch</a>
* @version CVS $ Revision: 1.1 $
*/
public class NullCommandFailureHandler implements CommandFailureHandler
{
/**
* Handle a command failure. If a command throws an exception, it has failed.
The
* CommandManager will call this method so that we can handle the problem
effectively.
* This implementation does nothing and always returns <code>false</code>.
*
* @param command The original Command object that failed
* @param throwable The throwable that caused the failure
* @return <code>true</code> if the CommandManager should cease to process
commands.
*/
public boolean handleCommandFailure( Command command, Throwable throwable )
{
return false;
}
}
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