I think when you annotate a class with @Validations, "input" is the only
method that will be called without invoking the validation first.

musachy

Laurie Harper wrote:
> I'm trying to get validation working (using annotations) in a Struts2
> project and I can't seem to get it to quite cooperate :-) I'm using
> the Zero Configuration and Code Behind plugins, so this may be a
> result of some unintended interaction between those and the validation
> framework.
>
> The use case is a master/detail view, where both are handled by the
> same action. The (default) master view (/admin/users.jsp) lists all
> the users and has an Add User link pointing to
> /admin/users!add.action. The problem is, as soon as I add any
> validation rules, the action is never executed and Struts loads the
> default /admin/users.jsp view, instead of /admin/users-edit.jsp.
> Without validation rules specified (including if I have an empty
> @Validations annotation), everything works as it should.
>
> I've tried using an @SkipValidation annotation as mentioned on the
> Validation page [1] in the documentation, but that annotation doesn't
> seem to exist anywhere in Struts2 or XWork...!
>
> Now, the magic: if I add an 'input' method to the action with 'return
> "edit";', and hit /admin/users!input.action (instead of ...!add...),
> it works fine again. It appears that the token 'input' is somehow magic?
>
> A stripped down copy of my action follows [2]. How do I get validation
> to *only* be applied when calling the save() method?
>
> [1] http://struts.apache.org/2.x/docs/validation.html
>
> [2] action code:
>
> package ...admin;
> @Results(
>   @Result(value = "users", type = ServletActionRedirectResult.class)
> // XXX why doesn't this work?
> )
> @Validation
> public class UsersAction extends ActionSupport {
>   public String add() {
>      System.out.println("ADD");
>      user = userService.createUser();
>      return "edit";
>   }
>
>   public String execute() {
>      System.out.println("EXECUTE");
>      return "edit";
>   }
>
>   public String input() {
>      System.out.println("INPUT");
>      return "edit";
>   }
>
>   @Validations(
>      requiredStrings = {
>         @RequiredStringValidator(
>              fieldName = "user.login",
>              key = "user.login.required",
>              message = "user.login.required")},
>      ...
>   )
>   public String save() {
>      System.out.println("SAVE");
>      ...
>
>      return SUCCESS;
>   }
> }
>
>
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