J2EE™ Web Services

Chapter 13. SAAJ

To read and manipulate SOAP header blocks in JAX-RPC you have to use message handlers, which are covered in Chapter 14. Message handlers, however, use SOAP with Attachments API for Java (SAAJ), version 1.2, to represent an XML SOAP message. Therefore, you need to understand how to use SAAJ before you can learn how to use message handlers. It's the purpose of this chapter to teach you how to create, read, and manipulate SOAP messages using SAAJ. While SAAJ is central to the JAX-RPC Message Handler API, it's also useful by itself. In fact, it's easier to understand SAAJ by discussing it outside the context of JAX-RPC. This chapter explains the SAAJ programming model and explains how to use it as a standalone API. Chapter 14: Message ...