Problems for exercises and homework for the "Java Web Development Basics" course @ SoftUni. Submit your solutions on the course page of the current instance.

We will implement a simple application, only with Servlets, exploring the most interesting exploits of the Servlet API.

Chishka is an application in which you create products, with several properties. It has many versions, and you will most probably see it several times.

You will have to create a simple multi-Servlet application which has several pages and 1 object entity.

This is the data layer of the application. There is 1 data object for you to implement.

So let's create our Product. The Product is a data object which stores data about an abstract product. You will see later what it will be used for.

First implement a class Product – which has these properties:

• Name – a String.
• Description – a String.
• Type – can be one of the following values – (" Food", " Domestic", " Health", " Cosmetic", " Other")

In this application you must create several views, similar to the pictures below:

This is the home page, in other words the page that should be visualized when the application starts.

The index page must contain a button that redirect to create-product.html and list all products names. Upon clicking a name of a Product , you should be redirected to a details page , with query parameter – the name of the Product.

This is the page where you create your products. It must contain input field for name , textarea for description , field for selecting the product's type , button which creates a Product with the given values and a link that returns the home page.

This is the page which renders full data about the selected Product. The selected Product should be extracted from the database , using the name from the query parameters.

Implement a Servlet – ProductCreateServlet , which listens on route " /products/create".

Upon a GET request, it should return a form which accepts 3 inputs – a name , a description and a type. NOTE : You should only be able to submit " Food", " Domestic", " Health", " Cosmetic", " Other" as values for the type.

The form should send a POST request to the same route.

Upon a POST request, you should redirect to " /products/all".

Implement a Servlet – ProductAllServlet , which listens on route " /products/all".

Upon a GET request, the Servlet should render a page with the names of all created Products. Upon clicking a name of a Product , you should be redirected to a " /products/details", with query parameter – the name of the Product.

Implement a Servlet – ProductDetailsServlet , which listens on route " /products/details".

Upon a GET request, the Servlet should extract the Product with the given name in the query parameters , and render a page with full information about it.

You must use the following things while implementing your application:

• Servlets
• Hibernate
• Repository layer
• Service layer
• Web layer