Add validation for single view or specific views

Author: John Cordeiro

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

@@ -35,6 +35,16 @@ public boolean validate() {
         return isAllViewsValid(viewWithValidations);
     }
 
+    public boolean validate(View view) {
+        List<View> viewWithValidations = getViewsWithValidation(view);
+        return isAllViewsValid(viewWithValidations);
+    }
+
+    public boolean validate(List<View> views) {
+        List<View> viewWithValidations = getViewsWithValidation(views);
+        return isAllViewsValid(viewWithValidations);
+    }
+
     private boolean isAllViewsValid(List<View> viewWithValidations) {
         boolean allViewsValid = true;
         for (View viewWithValidation : viewWithValidations) {
@@ -78,4 +88,12 @@ private List<View> getViewsWithValidation() {
         }
         return Collections.singletonList(target.getRoot());
     }
+
+    private List<View> getViewsWithValidation(List<View> views) {
+        return ViewTagHelper.filterViewsWithTag(R.id.validator_rule, views);
+    }
+
+    private List<View> getViewsWithValidation(View view) {
+        return ViewTagHelper.filterViewWithTag(R.id.validator_rule, view);
+    }
 }

library/src/main/java/br/com/ilhasoft/support/validation/util/ViewTagHelper.java

@@ -30,14 +30,30 @@ public static List<View> getViewsByTag(ViewGroup root, int tagId) {
             if (child instanceof ViewGroup) {
                 views.addAll(getViewsByTag((ViewGroup) child, tagId));
             }
+            addViewWhenContainsTag(tagId, views, child);
+        }
+        return views;
+    }
 
-            final Object tagValue = child.getTag(tagId);
-            if (tagValue != null) {
-                views.add(child);
-            }
+    public static List<View> filterViewWithTag(int tagId, View view) {
+        List<View> viewsWithTags = new ArrayList<>();
+        addViewWhenContainsTag(tagId, viewsWithTags, view);
+        return viewsWithTags;
+    }
 
+    public static List<View> filterViewsWithTag(int tagId, List<View> views) {
+        List<View> viewsWithTags = new ArrayList<>();
+        for (View view : views) {
+            addViewWhenContainsTag(tagId, viewsWithTags, view);
+        }
+        return viewsWithTags;
+    }
+
+    private static void addViewWhenContainsTag(int tagId, List<View> views, View view) {
+        final Object tagValue = view.getTag(tagId);
+        if (tagValue != null) {
+            views.add(view);
         }
-        return views;
     }
 
 }