Java Industry News
Modernizing Axis1 Services Painlessly
Migrating with WSAS
By: Michael Galpin
May. 28, 2008 03:30 PM
If you’ve been working with Web Services for a long time, chances are you’ve worked with Apache Axis and that you have an Axis Web Service somewhere in your code base. You probably also know about the many improvements in Axis2, especially around support for the more modern WS-* standards. So maybe you’ve been planning on migrating these old Axis services, but it can be hard to justify spending a lot of time on something that’s working just fine. However, there’s a great new migration path available to you: WSO2’s Web Services Application Server (WSAS.) With WSAS, you can take your existing Axis Web Service, redeploy it to WSAS, and then with just a few clicks enable things like WS-Security and WS-Reliable Messaging. There’s no need to rewrite or regenerate any code.
Does this sound too good to be true? It’s not, just read on.
Example of an Existing Axis Web Service
Let’s take a look at a sample WSDD. Axis ships several great samples. We’ll use the bid-buy sample. It mimics an e-commerce system. It exposes a Web Service for doing typical e-commerce tasks like requesting a price quote and submitting purchase orders. Let’s take a look at its WSDD file shown in Listing 1.
This is a fairly typical WSDD. It describes two services. Each service has several operations that can be called. It also describes mappings between the parameter types of the service to Java classes. To deploy this you’d use Axis’s deployment tool, the AdminClient.
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