November 2005
Intermediate to advanced
896 pages
31h 5m
English
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Chapter 12. Web Services with JAX-RPC and SAAJ
Web services are a very resilient and powerful tool in the enterprise architecture toolbox. They were born from the marriage of XML, a very flexible data formatting language, with HTTP and other similarly ubiquitous communication protocols.
What’s Covered Here?
There have been a few generations of “web services” over the years. XML-RPC was arguably the first XML-based services scheme that was used widely, and it is still available today in various programming environments. More recently, a standard set of protocols for XML-based services has been defined and adopted by the software community. The primary protocol in this family is the Simple Object Access Protocol (SOAP).
In this chapter, we cover the standard APIs used in Java for implementing and using SOAP-based web services. These include the Java API for XML-based RPC (JAX-RPC) and the SOAP with Attachments API for Java (SAAJ). We will cover the versions included in the J2EE 1.4 specification, and that translates to JAX-RPC Version 1.1 and SAAJ Version 1.2.
We will also be discussing the Web Services for J2EE specification, Version 1.1. This API is also required in J2EE 1.4 servers and defines a standard deployment model for web services within a J2EE environment.
This chapter begins with a general overview of web services and the SOAP and Web Service Descriptor Language (WSDL) protocols that modern-day web services use predominantly. The bulk of the chapter, though, discusses how ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.