E learning resource Locator Project Report (J2EE)


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E learning resource Locator Project Report (J2EE)

  1. 1. E-Learning Resource Locator Shri Dharmasthala Manjunatheshwar College of Engineering &Technology Dharwad-580002 Department of Computer Science & Engineering Project Report On E-LEARNING RESOURCE LOCATOR Team Members Chiranjeevi Adi Veerabhadrappa Kallapur Sanjunath Raye 2SD11CS405 2SD11CS436 2SD10CS087 Project Guide Basavaraj Vaddatti Asst. Professor Dept. of Computer Science & Engineering Tech Blazers Page 1
  2. 2. E-Learning Resource Locator E-Learning Resource Locator 1. Introduction 1.1 Methodology----------------------------------------------------------------------------3 1.2 Definitions, Acronyms and Abbreviations---------------------------------------3 1.3 Tools to be used-----------------------------------------------------------------------3 1.4 Reference -------------------------------------------------------------------------------5 1.5 Technologies to be used------------------------------------------------------------6 2. Overall Descriptions 2.1 System Analysis-------------------------------------------------------------------------9 2.2 Scope of the project--------------------------------------------------------------------10 2.3 Existing System-------------------------------------------------------------------------10 2.4 Proposed System-----------------------------------------------------------------------11 2.5 Benefits of users/system--------------------------------------------------------------12 3. Special Requirements 3.1 Functional Requirements-------------------------------------------------------------13 3.2 System Design 3.2.1 UML Diagram----------------------------------------------------------------13 3.2.2 Use case Diagram----------------------------------------------------------14 3.2.3 Class Diagram---------------------------------------------------------------16 3.2.4 Sequence Diagram---------------------------------------------------------18 3.3 E-R Diagram-----------------------------------------------------------------------------20 3.4 Activity Diagram ------------------------------------------------------------------------21 3.5 Data Flow Diagram---------------------------------------------------------------------23 3.6 Table Description-----------------------------------------------------------------------25 3.7 Snapshots--------------------------------------------------------------------------------26 Tech Blazers Page 2
  3. 3. E-Learning Resource Locator 1. Introduction: 1.1) Methodology “E Leaning-Resource Technology ” is education based website/software , helping students to get all resources & study materials of every courses available. It uses “E-Book” facility. It is reliable & time efficient approach compared to all links of the website provided by any search engine while searching for course materials. 1.2) Definitions, Acronyms and Abbreviations:  DB2 Database_2.A database management system that provides a flexible and efficient database platform to maintain records of students, Professors, admin and domain.  JSP Java Server Pages. It is used to create dynamic web content.  J2EE Java 2 Enterprise Edition. A programming platform which is a part of java platform for developing and running distributed java.  HTTP Hypertext Transfer Protocol. It’s a service protocol.  NetBeans Eclipse is a multi-language software development environment comprising a base workspace and an extensible plug-in system for customizing the environment. Tech Blazers Page 3
  4. 4. E-Learning Resource Locator 1.3) Tools Used: Application architecture – JAVA, J2EE JAVA Java is an object-oriented programming language developed by Sun Microsystems a company best known for its high end UNIX workstations. Java language was designed to be small, simple, and portable across platforms, operating systems, both at the source and at the binary level, which means that Java programs (applet and application) can run on any machine that has the Java virtual machine (JVM) installed. J2EE Java Platform, Enterprise Edition or Java EE is a widely used platform for server programming in the Java programming language. The Java platform (Enterprise Edition) differs from the Java Standard Edition Platform (Java SE) in that it adds libraries which provide functionality to deploy fault-tolerant, distributed, multi-tier Java software, based largely on modular components running on an application server. Glash Fish: Glash Fish is an open source software implementation of the Java Servlet and Java Server Pages technologies. The Java Servlet and JavaServer Pages specifications are developed under the Java Community Process. Glash Fish is developed in an open and participatory environment and released under the glash fish License version .glash fish is intended to be a collaboration of the best-of-breed developers from around the world. Development tool –Net Beans Net Beans is a multi-language software development environment comprising a base workspace and an extensible plug-in system for customizing the environment. It is written mostly in Java. It can be used to develop applications in Java and, by means of various plug-ins, other programming languages including Ada, C, C++, COBOL, Fortran, Haskell, Perl, PHP, Python, R, Ruby (including Ruby on Rails framework), Scala, Clojure, Groovy, Scheme, and Erlang. It can also be used to develop packages for the software Mathematic. Development environments include the NetBeans Java development tools (JDT) for Java and Scala, NetBeans CDT for C/C++ and NetBeans PDT for PHP, among others. Database platform – DB2: DB2 Database is the database management system that delivers a flexible and cost effective database platform to build robust on demand business applications and supports the J2EE and web services standards. Tech Blazers Page 4
  5. 5. E-Learning Resource Locator 1.4) References: * Object Oriented Modeling and Design with UML-Michael Blaha, James Rambaugh. * Software Engineering, Seventh Edition, Ian Sommerville. * IBM TGMC Sample Synopsis. * IBM – www.ibm.in/developerworks . * Java - www.sun.com * Wikipedia - www.wikipedia.com * Database Management Systems - Navathe. * Complete Reference - J2EE - Keogh. 1.5) Technologies to be used:    DB2: Database Management System. Glash Fish. Net Beans. Software Interface: Client on Intranet Web Browser, Operating System (any) Web Server Apache Tomcat, Operating System (any) Data Base Server DB2, Operating System (any) Development End Net Beans (J2EE, Java, Java Bean, Servlets, HTML, XML, AJAX), DB2, OS (Windows), Glash Fish (Web Server) Tech Blazers Page 5
  6. 6. E-Learning Resource Locator Pictorial Representation: Hardware Interface: Minimum Requirements: Client Side Processor Internet Explorer – 6/Firefox RAM Disk Space Intel Pentium III or AMD 800MHZ 128 MB 100 MB Server Side Processor Net Beans db RAM Disk Space Intel Pentium III or AMD 800MHZ 1 GB 4 gB 2 Overall Descriptions: Tech Blazers Page 6
  7. 7. E-Learning Resource Locator About E-Learning Resource Locator: E-Learning Resource Locator is a web application designed exclusively for SDMCET. The project is intended for Computer Science department of the college. Using this application all registered students can access the system. The users of the system can access the required learning materials. All registered Professors can upload learning materials for students. The system makes it possible for the students to access all learning materials from home and interact with the Professors and clarify their doubts on different subjects. The students can access notes on any subject. Notes are available for the students of all branches. Students can download all notes, if they want to. Moreover, power point presentations on all topics can be uploaded in to the system. Publication House can also be allowed to upload the information or some materials to the students for their learning process and students can also download those material. The students can clarify their doubts with the Professors by posting their questions into the forum. Any registered professors are allowed to answers or reply to any questions. Tech Blazers Page 7
  8. 8. E-Learning Resource Locator 2.1 System Analysis The proposed E-Learning Resource System has the following features.  Only registered students and Professors can access the system.  Students can view and download all learning materials (notes, ppts).  Students can view ppts of topics which help them to grasp the topics easily.  Professors can upload all learning materials.  Students are allowed to discuss their doubts with the professor.  Students can post their questions into the discussion forum.  Registers professors are allowed to answer to the students questions.  Students are allowed to download the resources.  More than one professors are allowed to answer to the students questions.  Publication house also uploads some subject materials to the students.  The students are also downloading those materials which are uploaded by the publication house.  Professors also download the materials which are uploaded by the publication house. 2.2 Scope of the Project The proposed E-Learning system is simple to use for both Professors and students. The proposed system includes the following. Web-based access: All users who have internet facility can access the system wherever and whenever they wish. Document management: System allows uploading and downloading of documents (pdfs, word documents, PPT). Media management: System allows uploading and downloading of ppts and pdf files. Tech Blazers Page 8
  9. 9. E-Learning Resource Locator 2.3 EXISTING SYSTEM: The World Wide Web (WWW or Web in short) E-Learning provides a simple ‘point and click’ means of exploring the immense volume of pages of information residing on the Internet. Information on Web is presented on Web pages, which appear as a collection of text, graphics, pictures. In addition, a Web page can contain hyperlinks to other Web pages. Much of the Web’s success is due to the simplicity with which it allows users to provide, use and refer to information distributed geographically around the world. E-LEARNING RESOURCE LOCATOR DRAWBACKS:  No authentication to access the data.  No access control.  No better security.  It is not time efficient approach.  No database security. 2.4 Proposed System 1. Digital Library A Digital Library that provides all the learning materials for the students. It should include notes and questions for each topic. 2. Power point presentations Ppts of lectures can be uploaded into the system. This can be viewed by all registered users. 3. Forum The students can discuss their doubts with the Professors. Tech Blazers Page 9
  10. 10. E-Learning Resource Locator 2.5 Benefits for Users: The users of the system include students, Professors, toppers of college and mentors. Students:  Students can easily access learning materials from anywhere at any time.  Notes and ppts on various topics are also available.  Students can also discuss with the Professors to clear their doubts. Professors / Mentors:  Discussion forum is also provided for the users for expressing their views.  Professors can upload notes, ppts and pdf format. Publication:  Publisher can upload some material to viewer.  Publisher can also provide the uploaded material for downloading. Tech Blazers Page 10
  11. 11. E-Learning Resource Locator 3. Special Requirements 3.1 Functional Requirements 1. Registration:  Only registered users should be able to access the resources in the system.  He must be able to add or delete new topics to the system.  Administrator must be able to add or delete users to the system. 2. Resources:  Professors must be able to upload documents, pdfs, and ppts files to the system.  Students must be able to view and download the resources.  It should allow students to view ppts and pdfs. 3. Communication  Students must be able to communicate with the Professors to clear their doubts. Tech Blazers Page 11
  12. 12. E-Learning Resource Locator 3.2 System Design 3.2.1 UML Diagrams Activity diagrams are a loosely defined diagram technique for showing workflows of stepwise activities and actions, with support for choice, iteration and concurrency. In the Unified Modelling Language, activity diagrams can be used to describe the business and operational step-by-step workflows of components in a system. An activity diagram shows the overall flow of control. In the Unified Modeling Language (UML), a class diagram is a type of static structure diagram that describes the structure of a system by showing the system's classes, their attributes, and the relationships between the classes. Tech Blazers Page 12
  13. 13. E-Learning Resource Locator 3.2.2 Use Case Diagram The primary actors of the system are Professors and student and publisher. Register Register Sign In SignIn Search Search Material Material Student Resource Resource Download Professor/Mentors Upload Resource Resource Doenload Upload Interaction Interaction Publisher Association Association Sign out Sign Out Tech Blazers Page 13
  14. 14. E-Learning Resource Locator Documentation Of Use case Diagram: i. Professors/Mentors User role: Tutor User functions: a) Content creation, b) view learner’s progress, c) answering students questions. ii. Students/Toppers of college: User role: Learner User functions: a) View learning materials, b) View personal progress, c) Interactive discussions iii. Publication User Role: publisher User functions: a) upload some information. b) provide some materials. Tech Blazers Page 14
  15. 15. E-Learning Resource Locator 3.2.3 Class Diagram: Person Name Id Addres 1 1..* 1..* 1..* Student Professor Publication House Emp_Id Emp_name Address view_details() download_resource() change_password() register() Pub_Id Publiaction_name Address Email_Id Download() Upload() Serch() Logini() Logout() USN No Name Address Email Id Download() Upload() login() logout() 1..* 1..* 1..* 1..* Uploads/Downloads Uploads/Downloads Resource 1 Downloads Tech Blazers 1..* Resource_id Resource_type Subject_name Author_nam e Page 15
  16. 16. E-Learning Resource Locator Documentation of Class Diagram: Admin class: Main class in an e-learning system is admin. Username, password/id and designation or email are the main attributes of this class.admin_user() is the method for user login.registration_user() is used for checking whether the username and password are valid.loging_user() is for logging in ans valid_loging_out() is for logging out from the system. Student class: It has many attributes including username, password, usn no and email id. Download()method is used to view or download the files or material from the database. search() method is used to search the particular information by selecting some topic. Professors class: It has many attributes including username, password, staff code. Download()method is used to view or download the files or material from the database. search() method is used to search the particular information by selecting some topic. upload_file() is the method for uploading files. Publication Class: It has many attributes like document code, author id, userlogin, password, and file types which should be uploaded by the house of publication using upload() function. Tech Blazers Page 16
  17. 17. E-Learning Resource Locator 3.2.4 Sequence Diagram (a) Student (b) Professors/Mentor Tech Blazers Page 17
  18. 18. E-Learning Resource Locator 3.3 E R Diagram E R Diagram of E Learning Resource Locator: Tech Blazers Page 18
  19. 19. E-Learning Resource Locator 3.4 Activity Diagrams System Activity Diagram: User Registration Diagram Tech Blazers Page 19
  20. 20. E-Learning Resource Locator Activity Diagram: User Login Tech Blazers Page 20
  21. 21. E-Learning Resource Locator DOCUMENTATION OF ACTIVITY DIAGRAM: The user logs in to the system using his username & pwd. Then he selects a topic and views the learning materials .During learning, he can use the chat facility to clear doubts. Then he can take test by selecting the difficulty level. A timer is set at the start of the test. If he is not able to complete within the given time period, then marks are given for the marked questions only. If he completes within the given period, then evaluation is done on submitting. He can also view the test record. If he wants to improve his marks, he can repeat the learning process again. 3.5 Data Flow Diagrams Introduction DFD is very useful in understanding a system and can be effectively used during analysis. A DFD shows the flow of data through a system. It views a system as a function that transforms the inputs into desired outputs. Any complex systems will not perform this transformation in a single step, and a data will typically undergo a series of transformations before it becomes the output. The DFD aims to capture the transformations that take place within a system to the input data so that eventually the output data is produced. The agent that performs the transformation of data from one state to another is called a process (or a bubble). So a DFD shows the movement of data through the different transformations or the processes in the system. Named circles show the process and named arrows entering or leaving the bubbles represent data flows. A rectangle represents a source or sink and is a net originator or consumer of data. A source or sink is typically outside the main system of study. Tech Blazers Page 21
  22. 22. E-Learning Resource Locator DFD WITH DETAILED EXPLANATION Context level DFD: This shows the context level diagram of the system. The users of the system are Professors, students, toppers of college and mentors. Tech Blazers Page 22
  23. 23. E-Learning Resource Locator Level 0 DFD Student: Tech Blazers Page 23
  24. 24. E-Learning Resource Locator Professors: Level 1 DFD Process 1(Upload files) This shows uploading of files by Professors. Tech Blazers Page 24
  25. 25. E-Learning Resource Locator Process 2(View files) Level2 DFD Process-3 (Select topic) This shows selecting a particular topic. The user needs to select the semester and the subject in order to access a particular topic. Process-4 (Uploading to server) This shows uploading files to server. The Professors needs to select the file type and browse the file from the local system to upload it to the server. Tech Blazers Page 25
  26. 26. E-Learning Resource Locator 3.6) Snapshots Home Page Tech Blazers Page 26
  27. 27. E-Learning Resource Locator AdministratorHomePage Tech Blazers Page 27
  28. 28. E-Learning Resource Locator Add Professor Page Tech Blazers Page 28
  29. 29. E-Learning Resource Locator Change Password Page: Delete User Page: Tech Blazers Page 29
  30. 30. E-Learning Resource Locator Upload Page: Tech Blazers Page 30
  31. 31. E-Learning Resource Locator Download Resource Page: Discussion Forum Home Page: Tech Blazers Page 31
  32. 32. E-Learning Resource Locator Add Query Page: Reply To Query Page: Tech Blazers Page 32