Validation in Liferay by using Validator Class Provided by Liferay
Validation in Liferay is very simple by using Validator Class. Validator Class give all the usefull method that can be used for validation. You can also use your logic for validation. In this tutorial i use both approach.
Here we create a simple form that contain a text field for phone number we validate that phone number must contain Numbers and not less than 10 digits if error occur again this form is shown with already filled previous value otherwise go to success page.
