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Spring MVC Beginner’s Guide by Amuthan G

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Time for action – whitelisting form fields

In the previous exercise, while adding a new product, we bound every field of the Product domain in the form. However, it is meaningless to specify the unitsInOrder and discontinued values during the addition of a new product because nobody can make an order before adding the product to the store, and similarly, the discontinued products need not be added in our product list. So, we should not allow these fields to be bound to the form bean while adding a new product to our store. However, all the other fields of the Product domain object need to be bound. Let's see how to do this with the following steps:

  1. We open our ProductController class and add a method as follows:
    @InitBinder public void initialiseBinder(WebDataBinder ...

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