Ajax and Java Web Services

Source: www.theserverside.com
Topic: Java Programming

Short Desciption:
... brief overview of Ajax programming by focusing on how to create a front-end for the SOAShopper application constructed in Chapter 9. I hope you have enjoyed this little detour from Java ...

 

Content Inside:
463 CHAPTER 10 Ajax and Java Web Services In this chapter, I examine how Java Web Services can be used to support Ajax clients. Ajax, or Asynchronous JavaScript and XML, is a programming     technique that enables you to create user interfaces for a Web browser that behave more like a local, stand-alone application than a collection         of HTML pages. Ajax is a good fit with Java Web Services. Using these two technologies together enables you to publish software components as services (via JAX- WS) and create great browser-based user interfaces on top of them (via Ajax). The entire application can then be packaged as an EAR or WAR and deployed on a Java EE application server. To demonstrate this capability, I pick up here where I left off at the end of Chapter 9. In that chapter, I showed you how to build an online shopping application, SOAShopper, which can search across multiple Web-service-enabled sites (i.e., eBay, Yahoo! Shopping, and Amazon). In this chapter, I show how you can develop an Ajax front-end to SOAShop- per. In particular, the code examined in this chapter demonstrates how to write an Ajax application that consumes RESTful Java Web Services endpoints. In the second half of this chapter, I review the JavaScript code that implements the SOAShopper Ajax front-end in quite a bit of detail. For those of you who are familiar with Web front-end coding and JavaScript, this detail may seem tedious. I include it because my assumption is that many readers of this book are server-side Java programmers who do not usually do a lot of JavaScript development and, therefore, might be interested      in the detailed code explanation. 464 Ajax and Java Web Services 10.1Quick Overview of Ajax Ajax is a well-documented technology, and my purpose here is not to write a detailed tutorial on Ajax programming.1 However, I do wan ...

 

 

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