Web Services
Definition
Web Service is a software system that allows the interoperability among different machines. Through a Web Service it is possible to pubblish business services using a contract, called WSDL.
GreenVulcano® ESB provides a very simple method that helps developers to manage Web Services operations as:
- create
- invoke
- deploy
- publishing
- undeploy
Any service flow can be pubblished in GreenVulcano® ESB as a Web Service.VulCon® helps the user to create or invoke a web service, leaving the user the only task to define the data structures in order to interact with the external world.
GreenVulcano® ESB provides a complete management of Web Services through Axis2 platform. It supports:
- Web Services stateful and asynchronous
- Processing SOAP Messages with XML parsing using the more efficient AXIOM pull-parser instead of DOM (Document Object Model)
- Increased Scalability
- Hot deploy and undeploy
Create new Web Services with VulCon
VulCon provides two wizards to create new Web Services. The first one starts from a GreenVulcano® ESB service and creates the WSDL and the AAR to deploy (bottom-up development method), the second one, starts from a WSDL and creates GreenVulcano® ESB services for each chosen operation(top-down development method). If you want to invoke a Web Service operation, instead, you can choose Wizard Call Web Service or if you want to simply redirect a Web Service call to a different endpoint you can choose Wizard Proxy Web Service
GV Console Web service section
The section Web Service in GvConsole contains three main pages:
- 'General parameter', shows the general configuration of business web services and the UDDI Registry's configuration,
- WSDL, allows to generate or delete WSDL files, and to deploy the Web Service
- UDDI, allows to publish Web Service in UDDI registry, if the UDDI registry has bean configured.
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