Base interface for all NetUI / Page Flow interceptors. An interceptor consists of an
initialization step and two blocks of code that run before and after some block of code
or event that is being intercepted.
Method invoked during "post" interception of some block of code / event.
Parameters: context - the interceptor context Parameters: chain - the chain of interceptors throws: InterceptorException - an exception thrown when an error occurs during interception
Method invoked during "pre" interception of some block of code / event.
Parameters: context - the interception context Parameters: chain - the chain of interceptors throws: InterceptorException - an exception thrown when an error occurs during interception