org.apache.velocity.app.event
Interface MethodExceptionEventHandler

All Superinterfaces:
EventHandler
All Known Implementing Classes:
PrintExceptions

public interface MethodExceptionEventHandler
extends EventHandler

Event handler called when a method throws an exception. This gives the application a chance to deal with it and either return something nice, or throw. Please return what you want rendered into the output stream.

Version:
$Id: MethodExceptionEventHandler.java 998264 2010-09-17 19:13:02Z apetrelli $
Author:
Will Glass-Husain, Geir Magnusson Jr.

Nested Class Summary
static class MethodExceptionEventHandler.MethodExceptionExecutor
          Defines the execution strategy for methodException
 
Method Summary
 Object methodException(Class claz, String method, Exception e)
          Called when a method throws an exception.
 

Method Detail

methodException

Object methodException(Class claz,
                       String method,
                       Exception e)
Called when a method throws an exception. Only the first registered MethodExceptionEventHandler is called. If none are registered a MethodInvocationException is thrown.

Parameters:
claz - the class of the object the method is being applied to
method - the method
e - the thrown exception
Returns:
an object to insert in the page
Throws:
RuntimeException - an exception to be thrown instead inserting an object


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