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Generation of WEB SERVICES Using PROGRAM SLICING

Generation of WEB SERVICES Using PROGRAM SLICING. RavindRA Kumar 01710403111 Sudip Akura 00210403111 Amit Kumar 00710403111 Balkaran singh sidhu 05810403111. OBJECTIVE.

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Generation of WEB SERVICES Using PROGRAM SLICING

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  1. Generation of WEB SERVICES UsingPROGRAM SLICING RavindRA Kumar 01710403111 SudipAkura 00210403111 Amit Kumar 00710403111 Balkaran singhsidhu 05810403111

  2. OBJECTIVE • This project “Generating Web Services through Program Slicing” consists of developing web services (WS) , which are convenient and platform independent. • This project proposes a way for generation and composition of web services through Program Slicing.

  3. PROJECT MOTIVATION • Generating Web Services is a complex task. Identifying, generating and composing services are still open issues. • Some researchers have studied on generating and composing web services by using program slicing technology, but most of them focus on preparing web services, and haven’t proposed a feasible method with the whole process of WS generation and composition

  4. ABSTRACT • The project “Generation of web services using Program Slicing” provides a method to generate a WSDL (Web Service Description Language) file and a SOAP (Simple Object Access Protocol) message from source codes. • This also includes an approach to generate a proxy service for each web service which allows user to easily call a service.

  5. What is a WEB SERVICE • A web service is a network accessible interface for application functionality, built using standard Internet technologies. • Clients of web services do NOT need to know how it is implemented. Web Service Network Application code Application client

  6. Components of a WEB SERVICE • WSDL (Web Service Description Language) File • SOAP (Simple Object Access Protocol) Messages • UDDI (Universal Description, Discovery and Integration)

  7. WSDL (Web Service Description Language) • Define a web service in WSDL by • Writing an XML document conforming to the WSDL specs • Describes three fundamental properties • What a service does • Operations (methods) provided by the service • How a service is accessed • Data format and protocol details • Where a service is located • Address (URL) details

  8. SOAP(Simple Object Access Protocol) • SOAP originally stood for "Simple Object Access Protocol" . • Web Services expose useful functionality to Web users through a standard Web protocol called SOAP. • SOAP is a simple markup language for describing messages between applications. • SOAP uses mainly HTTP as a transport protocol. That is, HTTP message contains a SOAP message as its payload section.

  9. UDDI(Universal Description, Discovery and Integration) • UDDI stands for Universal Description, Discovery and Integration. • UDDI is a directory for storing information about web services. • UDDI is a directory of web service interfaces described by WSDL.

  10. What is PROGRAM SLICING • Program slicing is a method for automatically decomposing programs by analysing their data flow and control flow. • In general a program slice consist of those statements that may directly or indirectly affect the variables computed at a given program point. • The program point P and the variable set V, denoted by <P,V> is called a Slicing Criterion.

  11. EXAMPLE • int i; int sum = 0; int product = 1;for(i = 0; i < N; ++i) { sum = sum + i; product = product *i; } write(sum); write(product); SOURCE CODE • int i;int sum = 0; for(i = 0; i < N; ++i){ sum = sum + i; }write(sum); SLICED CODE FOR «SUM»

  12. HARDWARE Specifications • Hard Disk : 20 GB and above • RAM : 1 GB and above • Processor : Dual Core and above

  13. SOFTWARE Requirements • Windows XP service pack 3 or later • Visual Studio 2010 • Microsoft SQL Server 2008

  14. REFERENCES • Yingzhou Zhang , Wei Fu, Geng Yang, Lei Chen and Weifeng Zhang, “Web Service Generation Through Program Slicing” , 2010, pp. 877-887

  15. THANK YOU

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