<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#ffffff" text="#000000"> <img alt="troubled" src="cid:part1.07000400.00090909@antiustione.it" height="369" width="489"> Code Sample 1 shows the corresponding web service implementation code. Java EE provides role based security which you can use to restrict the server side resources such as EJB components, JDBC connections, or web services that your service may expose. Supposedly, Bill took the two key JVM engineers out to a very expensive restaurant, and later that night, they put the feature in. JSC: Do you have a favorite Swing hack? Web services technology is the cornerstone of SOA implementation, which involves complex business transactions between various business entities. You can think of it as the part of a web browser that actually parses and draws web pages to the screen. For example, Google Maps does not provide any routing API; MapQuest does. The Japanese character turns into three bytes. On the other hand, Google Maps is fast and easy to use because it supports AJAX-based drag-and-zoom. Consider WSDL Sample 2. Their difference is a "primary" difference. Characters in this new rangeare called supplementary characters. The service retrieves the necessary data from the request, which physically can be an HTTP GET or POST, and it returns data based on the PurchaseOrder. It's partly about its visual aesthetic, but it's more about the underlying design. This includes topics such asUsingAJAX with JSF, Usinga Servlet as a Controller with JSF and AJAX, plus many more. James Gosling told me that he included assertions in an early version of the language, but the rest of the team had him delete them because of performance concerns. Token based restrictions provides easy access to your service to JavaScript clients and it is the most flexible of the approaches for restricting access to your services. Table 3 shows the HTTP request and HTTP response messages for the operation in the implementation of the purchase order service. Typically, any web service application needs a container to run. </body> </html>