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Building a secure SOAP client for J2ME, Part 1: Exploring Web Services APIs (WSA) for J2ME

Integrating security components into WSA

Bilal Siddiqui, Freelance consultant
Bilal Siddiqui is an electronics engineer, an XML consultant, and the founder of XML4Java.com, a company focused on simplifying e-business. After graduating in 1995 with a degree in electronics engineering from the University of Engineering and Technology, Lahore, he began to design software solutions for industrial control systems. Later, he turned to XML and used his experience of programming in C++ to build Web- and Wap-based XML processing tools, server-side parsing solutions, and service applications. He is a technology evangelist and a frequently published technical author.

Summary:  In this three-part tutorial series you'll learn how to build a secure Web services client based on Java™ 2, Micro edition (J2ME). This first part introduces application scenarios which allow wireless access to your Web services. Part 1 also discusses the architecture of a secure Web service application and explains the way different technology components collaborate with each other in a J2ME application to provide security features. We also explore Web Services APIs (WSA) for J2ME in detail by digging deep inside a couple of WSA applications. Later parts of this tutorial will expand upon these concepts to incorporate security into WSA applications.

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Date:  16 Jun 2006
Level:  Intermediate
PDF:  A4 and Letter (258 KB | 54 pages)Get Adobe® Reader®

Activity:  10888 views
Comments:  

Summary

This tutorial has introduced the concept of securing wireless access to Web services.

You've seen sample application scenarios where you need to consume your Web services wirelessly, whether with or without security. We have discussed the architecture of integrating various technology components to enable security in WSA applications.

We have also seen a detailed analysis of stub and other WSA classes and demonstrated their functionality. We have provided an explanation of the WSDL and SOAP messages that WSA works with.

We saw the WSDL interface of a secure Web service. In Part 2 of this series, we will build security into these services.

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static.content.url=http://www.ibm.com/developerworks/js/artrating/
SITE_ID=1
Zone=SOA and Web services, Java technology
ArticleID=128922
TutorialTitle=Building a secure SOAP client for J2ME, Part 1: Exploring Web Services APIs (WSA) for J2ME
publish-date=06162006
author1-email=bsiddiqui@xml4java.com
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WebSphere Application Server can leverage its built in Web Services support to expose services to remote consumers in an industry-standard way.

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