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

JSR 224 (JAX-WS) annotations


In this section, we will be looking at some of the useful annotations introduced in the JSR 224 (JAX-WS) specification. These are additional annotations that supplement the JSR-181 annotations. We will be looking at the following annotations:

  • javax.xml.ws.BindingType

  • javax.xml.ws.RequestWrapper

  • javax.xml.ws.ResponseWrapper

  • javax.xml.ws.ServiceMode

  • javax.xml.ws.WebEndpoint

  • javax.xml.ws.WebFault

  • javax.xml.ws.WebServiceClient

  • javax.xml.ws.WebServiceProvider

  • javax.xml.ws.WebServiceRef

javax.xml.ws.BindingType

The BindingType annotation is used to specify the binding to use for a web service endpoint implementation class. It has a single attribute, value, which is a binding URI, and the default value is SOAP 1.1 / HTTP. Let us look at a simple example:

@WebService
@BindingType(value="http://www.w3.org/2003/05/soap/bindings/HTTP/")
public class AddNumbers {
     public int add(int a, int b) {
         …
     }
}

The deployed endpoint would use SOAP1.2 over HTTP...