org.jboss.invocation

Interface Interceptor

All Known Implementing Classes:

AccessCheckingInterceptor, ContextClassLoaderInterceptor, DoAsInterceptor, InitialInterceptor, MethodInterceptor, MethodInvokingInterceptor, SecurityIdentityInterceptor

public interface Interceptor

A processor for invocations. May perform some action, including but not limited to handling the invocation, before or in lieu of passing it on to the dispatcher or another processor.

Author:

Carlo de Wolf, David M. Lloyd

Field Summary

Fields

Modifier and Type	Field and Description
static Interceptor[]	EMPTY_ARRAY An empty interceptor array.

Method Summary

Modifier and Type	Method and Description
Object	processInvocation(InterceptorContext context) Process an invocation.

Field Detail

EMPTY_ARRAY

static final Interceptor[] EMPTY_ARRAY

An empty interceptor array.

Method Detail

processInvocation

Object processInvocation(InterceptorContext context)
                  throws Exception

Process an invocation. The invocation can be handled directly, or passed on to the next processor in the chain.

Parameters:

context - the interceptor context

Returns:

the result of the invocation

Throws:

Exception - If the underlying invocation resulted in some exception