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Quickstart Apache Axis2 by Deepal Jayasinghe

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Chapter 4. Execution Chain

The fundamental goal of any given SOAP processing framework is to deliver an incoming SOAP message to the target application. However, if we consider today's Web Services or any other application, just delivering the message to the application is not sufficient. We need to provide quality of service, such as reliability and security. To provide these features, most SOAP processing frameworks have the concept of pipes, where, any incoming or outgoing message goes through the pipe, and the pipe gets divided into smaller pieces. Each piece is known as an interceptor.

Handler

If you have used any version of Apache Axis, then you will be familiar with the term "Handler" — the Apache terminology for "message interceptor". In ...

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