More about WSDL and WADL

WSDL

WSDL stands for Web Service Description Language, is a base file written in XML format and used to describe web service and how to access it. It basically contains location of web service and operations exposed by that web service.

WSDL Elements: It has following major elements:

<types> - Describe the data type used by web service

<message> - Messages used by web service

<porttype> - Operation performed by web service

<binding> - Communication protocol used in web service

WADL

WADL stands for Web Application Description Language written in XML format that contains all the functionalities can be performed by web service in terms of Resource. It is basically designed to provide a machine process-able description of HTTP based web application.

WADL Elements: It has following major elements:

<resources> - Contains list of resources

<method> - Describe the input to and output from HTTP protocol

<request>- Describe the input to be included when applying to an HTTP

<response> - Describe the output to be received from HTTP.

<representation> - Describe a representation of resource's state.