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Can anyone recommend a good (preferably open source) tool for creating WSDL files for some soap web services?
I've tried playing around with some of the eclipse plug ins available and was less than impressed with what I found.
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Web Services Description Language (WSDL) is a standard specification for describing networked, XML-based services. It provides a simple way for service providers to describe the basic format of requests to their systems regardless of the underlying run-time implementation.
In the main menu, go to Tools | XML WebServices and WSDL | Generate WSDL From Java Code. In the Generate WSDL From Java dialog that opens, specify the following: The name and URL address of the Web service. The protocol and encoding style used when accessing the public operations of the Web service.
A Web Services Description Language (WSDL) document specifies the interface to a web service, and enables a web service client to start it. A WSDL document that is generated from a message model defines web service requests and responses in terms of the messages that you have defined in that message model.
To generate a web service from a WSDL: On the Project Explorer or Navigator tab, right-click the WSDL and select Web Services > Generate Web Service.
You can create a SOAP API from a WSDL document accessed through a URL or by selecting a WSDL file. You can specify whether Integration Cloud enforces strict, lax, or no content model compliance when generating document types from the XML Schema definition contained or referenced in the WSDL document.
One of the more interesting tools for bypassing all the associated headaches with WSDL is the XSLT script created by Arjen Poutsma (the lead developer of Spring Web Services):
http://blog.springframework.com/arjen/archives/2006/07/27/xslt-that-transforms-from-xsd-to-wsdl/
Basically it allows you to develop simple schemas that correspond to your desired operations (i.e. <BuyItem> and <BuyItemResponse>) and then generate all the associated WSDL crap from the XSD. I highly recommend it if you are interested in 'contract-first' web-services but the idea of using a WSDL as the starting point for that contract makes you feel green.
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As mentioned above, probably the easiest thing to do is use Apache CXF or Apache Axis2 to automatically generate your WSDL for you.
If you have downloaded the Java EE version of Eclipse, you should be able to create a Dynamic Web Project with the Axis2 facets. If you create a simple Java class in the project, you should be able to right-click on it, and choose Web Services->Create Web Service. That should automatically create an Axis2 service for you.
WSDL would then be available from some URL like: http://localhost/axis/{yourservice}?WSDL
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