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NestableError suggested by Stephen C. Basically a clone of 

NestableException.


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@136991 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Daniel Rall 2002-08-25 19:18:48 +00:00
parent 1f075abae4
commit 54161dd497
1 changed files with 200 additions and 0 deletions
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src/java/org/apache/commons/lang/exception/NestableError.java Normal file
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package org.apache.commons.lang.exception;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, 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 acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", 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 apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names 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 (INCLUDING, 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/>.
*/
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
/**
* The base class of all errors which can contain other exceptions.
*
* @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a>
* @see org.apache.commons.lang.exception.NestableException
* @since 1.0
*/
public class NestableError extends Exception implements Nestable
{
/**
* The helper instance which contains much of the code which we
* delegate to.
*/
protected NestableDelegate delegate = new NestableDelegate(this);
/**
* Holds the reference to the exception or error that caused
* this exception to be thrown.
*/
private Throwable cause = null;
/**
* Constructs a new <code>NestableError</code> without specified
* detail message.
*/
public NestableError()
{
super();
}
/**
* Constructs a new <code>NestableError</code> with specified
* detail message.
*
* @param msg The error message.
*/
public NestableError(String msg)
{
super(msg);
}
/**
* Constructs a new <code>NestableError</code> with specified
* nested <code>Throwable</code>.
*
* @param cause the exception or error that caused this exception to be
* thrown
*/
public NestableError(Throwable cause)
{
super();
this.cause = cause;
}
/**
* Constructs a new <code>NestableError</code> with specified
* detail message and nested <code>Throwable</code>.
*
* @param msg the error message
* @param cause the exception or error that caused this exception to be
* thrown
*/
public NestableError(String msg, Throwable cause)
{
super(msg);
this.cause = cause;
}
public Throwable getCause()
{
return cause;
}
public String getMessage()
{
return delegate.getMessage(super.getMessage());
}
public String getMessage(int index)
{
if (index == 0)
{
return super.getMessage();
}
else
{
return delegate.getMessage(index);
}
}
public String[] getMessages()
{
return delegate.getMessages();
}
public Throwable getThrowable(int index)
{
return delegate.getThrowable(index);
}
public int getThrowableCount()
{
return delegate.getThrowableCount();
}
public Throwable[] getThrowables()
{
return delegate.getThrowables();
}
public int indexOfThrowable(Class type)
{
return delegate.indexOfThrowable(type, 0);
}
public int indexOfThrowable(Class type, int fromIndex)
{
return delegate.indexOfThrowable(type, fromIndex);
}
public void printStackTrace()
{
delegate.printStackTrace();
}
public void printStackTrace(PrintStream out)
{
delegate.printStackTrace(out);
}
public void printStackTrace(PrintWriter out)
{
delegate.printStackTrace(out);
}
public final void printPartialStackTrace(PrintWriter out)
{
super.printStackTrace(out);
}
}