Add simple listener to validation

Author: oliveiradev

library/src/main/java/br/com/ilhasoft/support/validation/Validator.java

@@ -21,6 +21,7 @@ public class Validator {
     private static final int FORM_VALIDATION_MODE = 1;
 
     private ViewDataBinding target;
+    private ValidationListener validationListener;
 
     private int mode = FIELD_VALIDATION_MODE;
     private final Set<View> disabledViews;
@@ -30,6 +31,20 @@ public Validator(ViewDataBinding target) {
         this.disabledViews = new HashSet<>();
     }
 
+    public void setValidationListener(ValidationListener validationListener) {
+        this.validationListener = validationListener;
+    }
+
+    public void toValidate() {
+        if (validationListener == null) throw new IllegalArgumentException("Validation listener should not be null.");
+
+        if (validate()) {
+            validationListener.onSuccess();
+        } else {
+            validationListener.onError();
+        }
+    }
+
     public boolean validate() {
         List<View> viewWithValidations = getViewsWithValidation();
         return isAllViewsValid(viewWithValidations);
@@ -96,4 +111,11 @@ private <ViewType extends View> List<View> getViewsWithValidation(List<ViewType>
     private List<View> getViewsWithValidation(View view) {
         return ViewTagHelper.filterViewWithTag(R.id.validator_rule, view);
     }
+
+    public interface ValidationListener {
+
+        void onSuccess();
+
+        void onError();
+    }
 }