ch.elca.el4j.services.exceptionhandler.handler
Class AbstractExceptionTransformerExceptionHandler

java.lang.Object
  ch.elca.el4j.services.exceptionhandler.handler.AbstractExceptionHandler
      ch.elca.el4j.services.exceptionhandler.handler.AbstractExceptionTransformerExceptionHandler

All Implemented Interfaces:

ExceptionHandler

Direct Known Subclasses:

SimpleExceptionTransformerExceptionHandler

public abstract class AbstractExceptionTransformerExceptionHandler
extends AbstractExceptionHandler

This is a convenience abstract class to create exception transformer exception handlers.

Author:

Andreas Bur (ABU)

File-location:

AbstractExceptionTransformerExceptionHandler

Last check-in date:

2009-08-04 13:59:45 +0200 (Di, 04. Aug 2009) by swismer for revision 3873

Constructor Summary

AbstractExceptionTransformerExceptionHandler()

Method Summary

protected Object	handleException(Throwable t, AbstractExceptionHandlerInterceptor exceptionInvoker, org.aopalliance.intercept.MethodInvocation invocation, org.slf4j.Logger logger) Handles the given throwable thrown by the method invocation.
protected abstract Exception	transform(Throwable t, org.slf4j.Logger logger) Transforms the given throwable into an appropriate exception.

Methods inherited from class ch.elca.el4j.services.exceptionhandler.handler.AbstractExceptionHandler

getInvocationDescription, handleException, setUseDynamicLogger

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractExceptionTransformerExceptionHandler

public AbstractExceptionTransformerExceptionHandler()

Method Detail

handleException

protected Object handleException(Throwable t,
                                 AbstractExceptionHandlerInterceptor exceptionInvoker,
                                 org.aopalliance.intercept.MethodInvocation invocation,
                                 org.slf4j.Logger logger)
                          throws Throwable

Handles the given throwable thrown by the method invocation. This method is called with the appropriate logger.

Specified by:

handleException in class AbstractExceptionHandler

Parameters:

t - The exception thrown in the method invocation.

exceptionInvoker - The exception invoker that called this exception handler.

invocation - The original method invocation.

logger - The logger to be used by subclasses.

Returns:

Returns an object that is treated as the original invocation's return value.

Throws:

Throwable - Any exception thrown by the handler.

transform

protected abstract Exception transform(Throwable t,
                                       org.slf4j.Logger logger)

Transforms the given throwable into an appropriate exception.

Parameters:

t - The throwable to transform.

logger - The logger that is configured properly.

Returns:

Returns the transformed exception or null if no exceptions has to be thrown.