Hi:
I am reading the book Struts2InAction,it is rather powerful.
And I thought someting funny when reading the interceptor chapter:
Example:
public String intercept(ActionInvocation invocation) throws Exception {
long startTime = System.currentTimeMillis(); //1
String result = invocation.invoke(); //2
long executionTime = System.currentTimeMillis() - startTime;
... log the time
...
return
result;
}
The following is quoted from the book:
>Either way, when invoke()
>returns, a result has already been rendered. In other words, the response
page has
>already been sent back to the client
Since the response page has been sent to client .So I wonder if I return
null after calling the invocation.invoke()?
BTW,I do not have the development environment for a test nowtime,so I ask
here,hoping not distuirbing you guys. :)
