Book Image

Apache Axis2 Web Services, 2nd Edition

By : Deepal Jayasinghe, Afkham Azeez
Book Image

Apache Axis2 Web Services, 2nd Edition

By: Deepal Jayasinghe, Afkham Azeez

Overview of this book

<p>Web services are gaining popularity and have become one of the major techniques for application integration. Due to the flexibility and advantages of using web services, you want to enable Web service support to your applications. This book is your gateway to learning all you need to know about the Apache Axis2 web service framework and its hands on implementation. <br /><br />Apache Axis2 Web Services, 2nd Edition is your comprehensive guide to implementing this incredibly powerful framework in practice. It gives you precisely what you need to know to develop a detailed practical understanding of this popular, modular and reliable web service framework.<br /><br />This book starts with a short and relevant introduction about the Axis2 1.5 framework and then plunges you straight into its architectural model.</p> <p>Learn to use and develop your own modules. Write a services.xml file so efficiently that you'll be creating more complex applications (rather than just POJOs) in no time.</p> <p>Learn how straightforward it really is to turn a Java class into a web service in Axis2. Experiment with different types of sessions in Axis2. Learn different patterns of Enterprise deployment. Ensure reliability in your web service - a major concern in most enterprise applications - with minimum impact on performance.<br /><br />This book will journey you through all this and more, giving you exactly what you need to learn Axis2 1.5 in the easiest way possible and create secure, reliable, and easy-to-use web services efficiently and systematically.</p>
Table of Contents (22 chapters)
Apache Axis2 Web Services
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
15
Building a Secure Reliable Web Service
Index

Axis2 configurator


So far, you have learned how to start Axis2 and work with Axis2 both on the client side and on the server side. However, we did not discuss how the underlying logic works. When you start Axis2, it creates an AxisConfiguration object from your local machine, which is considered as the repository. In the case of the Axis2 WAR distribution, the repository is <TOMCAT_HOME>webapps/axis2/WEB-INF (if you are using Tomcat), so that when you start Axis2 in an application server, Axis2 automatically picks the WEB-INF directory as the repository. This approach is known as file-system-based Axisconfigurators , where the Axis2 configuration is created using a filesystem.

In the same way, you can create Axis2 using a remote location as well, or by even using a database. In the Axis2 distribution, there is inbuilt support for URL-based as well as file-based Axis2 configuration creations. The following code illustrates how to create an Axis2 system using the filesystem:

ConfigurationContext...