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public class UserValidator implements Validator {
public boolean supports(Class<?> clazz) {
// TODO Auto-generated method stub
return User.class.equals(clazz);
}
public void validate(Object obj, Errors errors) {
// TODO Auto-generated method stub
ValidationUtils.rejectIfEmpty(errors, "username", null, "Username is empty.");
User user = (User) obj;
if (null == user.getPassword() || "".equals(user.getPassword()))
errors.rejectValue("password", null, "Password is empty.");
}
}