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Java Webservices
- 1. Java/J2ee Programming Training JavaWeb Services
- 2. Page 2Classification: Restricted Agenda •Intoduction to WebServices • Interoperability • XML • UDDI – Universal discovery description and Integration • Conversion—java to soap message • Writing a web service • Contract vs service • WSDL generation
- 3. Page 3Classification: Restricted WEBSERVICES SOAP JAX-JS REST JAS-RS Introduction to Web Services
- 4. Page 4Classification: Restricted WebServices • available over internet • consumed by application
- 5. Page 5Classification: Restricted Interoperability JAVAWEB SERVICE .NET WEB SERVICE C++
- 6. Page 6Classification: Restricted WebServices getProducts() MVC getProducts.jar
- 7. Page 7Classification: Restricted Terms webserviceImplinterfaceconsumer webservice Implinterfaceconsumer
- 8. Page 8Classification: Restricted XML •WSdl-web service definition language • contract definition of webservice • shared with consumers ---java interface in xml format.
- 9. Page 9Classification: Restricted UDDI– Universal discovery description and Integration • locates web service. • can query the directory to fetch the service. CLIENTS UDDI service
- 10. Page 10Classification: Restricted SOAP:simple access object protocol JAVA WSDL WEBSERVICE JAVA XML ====== SOAP WEBSERVICE SOAP: simple access object protocol
- 11. Page 11Classification: Restricted Conversion—Javato SOAP message • service end point( SEI)—acts as an interface to service end point • converts java code to soap message SEI WEB SERVICE SOAP ===== XML
- 12. Page 12Classification: Restricted Writinga web service @Webservice class BookTickets { public List<String> getShowNames() { List<String> shows = new ArrayList<>(); shows.add( “abcd”); shows.add(“ppp”); show.add(“qqq”); } }
- 13. Page 13Classification: Restricted Contractvs Service • Contract ---interface • service – business logic • most of the time we write the interface
- 14. Page 14Classification: Restricted WSDLGeneration WSDL WEB_SE RVICE
- 15. Page 15Classification: Restricted <servicename="BookTicketsService"> <port name="BookTicketsPort" binding="tns:BookTicketsPortBinding"> <soap:address location="http://aatika-pc:31820/WebServiceEx/BookTicketsService"/> </port></service>
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