Servlets, JSP, MVC2, EL, JSTL, JSF

These are relatively simple mini-projects, that I need to be done ASAP. There is the rar file with WebShop example that needs to be modified. Must be done using eclipse and tomcat. Servlets: [login to view URL] the WebShop example add login and register (username, password). All user data must be stored into .txt file, not database. Just registred users can access the shop. Make new class called "user", that represents user, link that class to session. The class user has Shopping Cart like an attribute and have the information if the user is logged in. [login to view URL] search of products like form and text field with button, on the page with product list. If you type nothing in the search bar and click the button, all the products show up. JSP: [login to view URL] the above web shop example using JSP technology. There must be login and registtration pages. The user doesn't have to log in right away, but if he wants to buy, he must login. Registred user list must be in .txt document. [login to view URL] search of products by name. EL and JSTL: [login to view URL] the Web Shop example from file in MVC Model 2 concept. There have to be login and register pages, and also a search bar for products... [login to view URL] page for buying products (data to type name, credit card name and expire date), that saves the order in text file/files(the order always succeds). The txt files content is: name, surname, date of order, price, name of product, quantity i price of separate products. The user that is not logged in may add products to cart, but cannot make a purchase. JSF: [login to view URL] the above in JSF.