org.activemath.abstractcontent
Class MBaseException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          org.activemath.abstractcontent.MBaseException

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

MBaseCollectionNotProvidedException, MBaseItemNotFoundException

public class MBaseException
extends Exception

a small exception wrapper for use inside *MBase* classes. It is intended to be subclassed (later) for type-distinct exceptions (so that a type-level decision of exception type can be taken). Exceptions don't need to be wrapped in, however.

Version:

0.1 CVS $Revision: 1.7 $ updated at $Date: 2006/06/09 10:35:45 $ by $Author: paul $

See Also:

Serialized Form

Field Summary

protected String	description interally stores this exception's description
protected Exception	exception internally stores this exception's given sub-exception

Constructor Summary

MBaseException(Exception exception)
creates a new MBaseException with given exception

MBaseException(String description)
creates a new MBaseException which has a description

MBaseException(String description, Exception exception)
creates a new MBaseException with given description and given exception

Method Summary

Exception	getWrappedException() returns the exception that was wrapped in
void	printStackTrace()
void	printStackTrace(PrintStream out) Prints the exception's stack trace as well as the wrapped exception's stack-trace, if any.
void	printStackTrace(PrintWriter writer)
String	toString() returns a string representation of this wrapped exception *

Methods inherited from class java.lang.Throwable

fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, setStackTrace

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

description

protected String description

interally stores this exception's description

exception

protected Exception exception

internally stores this exception's given sub-exception

Constructor Detail

MBaseException

public MBaseException(String description)

creates a new MBaseException which has a description

MBaseException

public MBaseException(String description,
                      Exception exception)

creates a new MBaseException with given description and given exception

Parameters:

exception - Exception to wrap in (i.e. to keep)

description - Description of exception to give on .toString()

MBaseException

public MBaseException(Exception exception)

creates a new MBaseException with given exception

Parameters:

exception - Exception to wrap in (i.e. to keep) a matching description is automatically created using exception's toString() method

Method Detail

toString

public String toString()

returns a string representation of this wrapped exception *

Overrides:

toString in class Throwable

Returns:

string description of this wrapped exception

getWrappedException

public Exception getWrappedException()

returns the exception that was wrapped in

Returns:

the exception wrapped in; null, if none was provided

printStackTrace

public void printStackTrace(PrintStream out)

Prints the exception's stack trace as well as the wrapped exception's stack-trace, if any.

Overrides:

printStackTrace in class Throwable

printStackTrace

public void printStackTrace(PrintWriter writer)

Overrides:

printStackTrace in class Throwable

printStackTrace

public void printStackTrace()

Overrides:

printStackTrace in class Throwable