Java-Business-Application/C2/Creating-and-viewing-inventories/English-timed

Time	Narration
00:01	Welcome to the spoken-tutorial on Creating and viewing inventories.
00:07	In this tutorial, we will learn:
00:09	* To modify the login page to redirect to admin page
00:14	* To fetch all the book details
00:17	* To fetch borrowed book details
00:20	* To display the books borrowed by a logged in user.
00:25	Here we are using:
00:27	* Ubuntu Version 12.04
00:29	* Netbeans IDE 7.3
00:32	* JDK 1.7
00:34	* Firefox web-browser 21.0
00:38	You can use any web-browser of your choice.
00:42	To follow this tutorial, you must have knowledge of:
00:45	* Basics of Java Servlets and JSPs
00:50	* Database and validation of fields.
00:53	If not, for relevant tutorials please visit our website.
00:57	Now, let us switch to NetBeans IDE .
01:01	I have created the Books table.
01:04	You can see the different fields in the table.
01:08	I have inserted 10 books into this table.
01:12	I have created Checkout table to store borrowed books.
01:18	I have inserted 5 entries into the Checkout table.
01:24	I have also created a model for Book and Checkout.
01:29	Book.java is a book model.
01:32	And Checkout.java is a checkout model.
01:37	Now, come to the browser.
01:40	Let us login as the admin.
01:43	So, I will type the username and password as admin. Then click on Sign In.
01:51	We can see that we come to the Admin Section Page.
01:55	We will come back to this page. Now let us switch to Netbeans IDE.
02:02	We will see, how we modified the GreetingServlet to redirect to Admin Page.
02:08	Let us see the GreetingServlet.java.
02:13	Here we check if username and password equal admin.
02:19	If yes, then we redirect to adminsection.jsp.
02:25	We have already seen how to forward to another page using RequestDispatcher.
02:32	Now, switch back to the browser.
02:35	We have two options here.
02:37	We will click on the radio button for List Books.
02:41	Then click on Submit button.
02:44	Here, we can see that we have the list of all the Books.
02:49	It has all the details like Book Id, Book Name, Author Name, ISBN, Publisher, Total Copies and Available copies.
02:59	Now, I will show you how this is done.
03:03	Switch back to the IDE.
03:05	Now, let us come to adminsection dot jsp.
03:10	Here we have two radio buttons.
03:14	The first one is to list all the books.
03:19	We can see that in adminsection dot jsp, we have form action equal to AdminSection.
03:28	Now, Open AdminSection dot java.
03:32	Here, this checks the option that we click on.
03:36	We clicked on List Books.
03:39	So, this part of the query will be executed.
03:44	We execute the query to fetch books from Books table.
03:49	Next, we create ArrayList to store the details of the books.
03:55	Then we iterate through the result set.
03:59	We create the Book object.
04:03	We set BookId into the Book object.
04:08	Similarly, we set other attributes of the book into the Book object.
04:16	Then we add book object into the books list.
04:21	Then we set the ArrayList books into the request.
04:26	Then we forward the request to listBooks.jsp using RequestDispatcher.
04:33	Now, we come to listBooks.jsp.
04:38	In this page, admin can view the list of books.
04:43	Here, first we obtain the books from the request.
04:48	This HTML table will display the details of the books.
04:54	So, we will iterate through the book list.
04:58	Here we display the BookId of the book.
05:02	Similarly, we display other attributes of the book.
05:07	This is how we display the list of books.
05:11	Now, switch back to the browser.
05:14	Click on List Borrowed Books.
05:17	And click on the Submit button.
05:20	We see a list of all the Books issued.
05:24	It has details like Transaction Id, Book Id and Username.
05:29	Now, I will switch back to the IDE
05:32	and show you the code for the same.
05:35	Go to AdminSection.java.
05:38	We had clicked on List Borrowed Books.
05:42	So menuSelection is equal to List Borrowed books.
05:47	The steps are similar to what we saw for List Books.
05:53	We execute the query to fetch borrowed books details from the Checkout table.
05:59	Then we iterate through the borrowed books
06:02	and set it into request as checkout attribute.
06:07	Now, we come to listBorrowedBooks.jsp.
06:12	Here we obtain checkout from the request.
06:17	We iterate through the Checkout list
06:20	and here we display the attributes of the Checkout.
06:25	This is how we display Borrowed Books.
06:28	Now, switch back to the browser.
06:30	In the borrowed books page, we have one more list.
06:36	The list of books issued when the current date is more than the return date.
06:43	Switch back to IDE to see the code.
06:46	This is done in the same way as we did for Borrowed Books.
06:50	The only difference is in the SQL query.
06:56	In the query, we give the condition: return_date less than now() order by transaction_Id.
07:05	Now, I will show you the interface for a normal user.
07:10	Switch back to the browser.
07:12	Come back to the login page.
07:15	I will login as mdhusein.
07:20	Type the password as welcome
07:22	and click on Sign In.
07:25	We get a Success Greeting Page.
07:28	It has the books currently borrowed by the user.
07:32	It has details like Transaction Id, User Name, Book Id and Return Date.
07:39	Now, let us come back to the IDE.
07:43	Now we go to GreetingServlet.java.
07:47	We display the books issued in the same way as we did for the admin.
07:53	Here the difference will be that we have to display the books for the logged in user.
08:02	So, I get the username from this line.
08:05	Then we fetch the details of borrowed books
08:10	with the condition username is equal to the logged-in user.
08:14	So, we get the list of books issued for the corresponding user.
08:20	Then, in successGreeting dot jsp we will display the list.
08:27	This is how your successGreeting dot jsp will look.
08:32	In this tutorial, we have learnt to:
08:35	* Modify the login page to redirect to admin page
08:39	* To fetch the book details
08:42	* To fetch the borrowed book details and
08:45	To display the books borrowed by a logged in user.
08:50	To know more about the spoken tutorial project, watch the video available at the following link.
08:56	It summarizes the Spoken Tutorial project.
08:59	If you do not have good bandwidth, you can download and watch it.
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09:24	It is supported by the National Mission on Education through ICT, MHRD, Government of India.
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09:40	The Library Management System has been contributed by a leading software MNC through their Corporate Social Responsibility Program.
09:49	They have also validated the content for this spoken tutorial.
09:53	This is Arya Ratish from IIT Bombay, signing off.
09:57	Thank you for joining.

Contributors and Content Editors

PoojaMoolya, Pratik kamble, Sandhya.np14