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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