Apache Axis, real time remote SOAP API’s

Introduction

I wrote about SOA elsewhere in this site. It’s Service Oriented Architecture based on well described services which can be accessed trough the http protocol. This is essential to prevent routers which block all kinds of ports not to prevent our Service Oriented Architecture.

Apache Axis

Axis is yet another fine Apache project which enables us to make services available in a truely amazing easy way! Apache Axis is above all very easy to use since it’s built in in most IDE’s. Eclipse is one of them and creating a Service with Eclipse is really a piece of cake. It’s really as easy as right-clicking a JavaBean and selecting “Generate Web Application”. Eclipse will then take over and go ahead generating the service. Next to the Service it will also generate:

  • A WSDL file.
  • A (JSP based client) to test your service.
  • API Documentation (for the Consumers of your Service).
Creating a Client

In Eclipse this is even more easy. Right click the WSDL and select “Generate Web-Service Client. Eclipse goes to work and produces a skeleton of Java Classes and interfaces which you need to get the client working!

What type of Programs are worth generating services for?

It depends. Do you want to do SOA? Then your service should be as elementary as possible. (Atomic). A generic service could be anything, Database lookups, Conversions and more functions which can be useful for public users.

 

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