Thursday 10 December 2015

difference between wsimport and wsgen command

The wsimport tool 
The wsimport tool reads a WSDL and generates all the required artifacts for web service development, deployment, and invocation. The wsimport tool supports the top-down approach to developing JAX-WS Web services, where you are starting from a wsdl. 
The wsimport tool generated JAX-WS portable artifacts include Service Endpoint Interface (SEI), Service, Exception class mapped from wsdl:fault (if any), JAXB generated value types (mapped java classes from schema types) etc. These artifacts can be packaged in a WAR file with the WSDL and schema documents along with the endpoint implementation to be deployed. 

The wsgen tool 
The wsgen tool reads an existing web service implementation class (SIB) and generates the required JAX–WS portable artifacts for web service development and deployment. The wsgen tool can be used for bottoms-up approach, where you are starting from a service endpoint implementation (SIB) rather than a wsdl. 

Can we say that wsgen and wsimport command generates same classes (same JAX-WS artifacts)? 
Can we say that wsgen and wsimport command is used to generate both server and client side code ? 
can wsgen command be used to generate a WSDL file ? 

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