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I would like the change the behavior of getRemoteUser in the
HttpServletRequest object that gets passed into the service call.
I extended the HttpServlet and overrided the service call (the users of my
class will be expected to provide doGet and doPost). With the
HttpServletRequest object passed to it, I would like to change the remote
user.
I see two ways to accomplish this:
A. inheritance
B. Decorator Pattern (aka Wrapper)
The trouble with inheritance, I don't know what class to extend.
HttpServletRequest is an interface.
The annoying part of the decorator pattern is that I must define all of the
methods of the HttpServletRequest interface and all of its super interfaces.
Example of B:
public class MyHttpServletRequest implements HttpServletRequest {
HttpServletRequest req;
String remoteuser;
public IntranetHttpServletRequest(HttpServletRequest r,String
remoteu) { req=r; remoteuser=remoteu; }
public String getRemoteUser() { return remoteuser; }
//that is all the functionality I want to change...
//But now I have to define all the methods in the various interfaces
public String getAuthType() { return req.getAuthType(); }
public String getQueryString() { return req.getQueryString(); }
//etc........ very tedious
}
Any advice?
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