NOTE: These slides have not been updated since 2003. They have been superseded by the book An Introduction to XML and Web Technologies Addison-Wesley, and the accompanying online material. Please see http://www.brics.dk/ixwt/ for more information. Anders Møller and Michael Schwartzbach, February 2006

INTERACTIVE WEB SERVICES WITH JAVA

Example: Amazon

Functionality:

• search for product information
• shopping carts

• SOAP - described in WSDL: AmazonWebServices.wsdl
• XML over HTTP (also called REST) - a simple, straightforward, and more widely used alternative!

• Request format:

  http://xml.amazon.com/onca/xml2?t=webservices-20&dev-t=[developer's ID goes here]&AuthorSearch=[author name goes here]&mode=[product line goes here: must be books]&type=[lite or heavy]&page=[page # goes here]&sort=[sort type goes here (optional)]&f=xml

• Response:

  The AuthorSearch request returns a ProductInfo node. The ProductInfo node contains an array of Detail nodes. (These nodes are XML elements described by a schema)

COPYRIGHT © 2002-2003 ANDERS MØLLER & MICHAEL I. SCHWARTZBACH