Finish this Invocation and set the status for the response.
The finish
method may only be called when this
Invocation
has a status of ACTIVE
or HOLD
.
The content handler may modify the URL, type, action, or
arguments before invoking finish
.
If the method {@link Invocation#getResponseRequired} returns
true
then the modified
values MUST be returned to the invoking application.
return finish(invoc.getInvocImpl(), status);