WSDL Basics

Topics 

  • What and Why WSDL? 
  • WSDL document structure 
  • Example WSDL document 
  • Message element 
  • Types of operations 
  • Importing & authoring style 
  • WSDL 1.2

What is and Why WSDL?

What is WSDL? 

  • XML language for describing web services 
  • Web service is described as 
    • A set of endpoints (which is called ports
  • An endpoint is made of two parts 
    • Abstract definitions of operations and messages 
    • Concrete binding to networking protocol (and corresponding endpoint address) and message encoding 
  • Why this separation? 
    • Enhance reusability (of the abstract part, for example)

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