Web Services and Mobile Clients
Many organizations are now developing service-oriented architectures (SOA) or exposing parts of their applications as services. Web services are often used to expose services and the most popular form of web services is the W3C standard Simple Object Access Protocol (SOAP). SOAP is a messaging framework that uses XML and Internet standard transfer protocols such as HTTP to make remote procedure calls or transfer data rather than language-proprietary mechanisms. Rather than explain all the nuances and formats of a SOAP message in this chapter, we’ll focus on how to expose parts of a J2EE-based application as web services and how to consume web services using the Open Source Apache Axis framework. The chapter concludes by developing a J2ME/MIDP web services consumer.
KeywordsMobile Client News Item Simple Object Access Protocol News Service Public Class
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