bboss.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.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	MethodExceptionEventHandler.MethodExceptionExecutor Defines the execution strategy for methodException

Method Summary

Modifier and Type	Method and Description
java.lang.Object	methodException(java.lang.Class claz, java.lang.String method, java.lang.Exception e) Called when a method throws an exception.

Method Detail

methodException

java.lang.Object methodException(java.lang.Class claz,
                                 java.lang.String method,
                                 java.lang.Exception e)
                          throws java.lang.Exception

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:

java.lang.Exception - an exception to be thrown instead inserting an object