Automatic creation of beans

[Joachim Ansorg]

Hi there,
I have an action which is configured to use the paramsPrepareParams 
interceptor.

Basically the action is:

public class UserAdminAction implements Preparable {
   // user is an interface, prepare() assign an implementation to the field
   private User user;
   private String username;

   public void prepare() throws Exception {
           user = StringUtils.isEmpty(username) ? mgr.createUser("new 
user") : mgr.findByUsername(username);
         //...
   }

// getters for user, username
// setter for username, ...
}

In the first parameters run the user is null, which is fine.
But Struts tries to create a new one due to some parameters of user 
properties. This not successful because it's an interface. I don't have 
a setter for user anyway.

How can I switch of the automatic creation of fields in the 
(parameters?) interceptor?

Thanks a lot for any hints,
Joachim


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