webwork.interceptor

Interface Interceptor

All Known Implementing Classes:

ChainedInterceptor

public interface Interceptor

Defines the contract for an interceptor to hook into the lifecycle of an action.

Since:

v4.2

Method Summary

Methods

Modifier and Type	Method and Description
String	intercept(InterceptorChain chain) The intercept method of the Interceptor is called by the dispatcher when an action is passed through the chain.

Method Detail

intercept

String intercept(InterceptorChain chain)
                 throws Exception

The intercept method of the Interceptor is called by the dispatcher when an action is passed through the chain. The InterceptorChain passed in to this method allows the Interceptor to pass on to the next entity in the chain.

Parameters:

chain - the interceptor chain that contains the next interceptor and the ultimate action

Returns:

the result of the execution

Throws:

Exception - if something goes wrong