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Lower case "w" and "s"

Posted by daniel on June 3, 2004 at 8:07 AM PDT

You can implement web services without Web Services. You know, WS-*, SOAP, and the rest.

Sometimes what you want to send Java objects over the wire and not worry about the details. In his exploration of
RMI, Dynamic Proxies, and the Evolution of Deployment
, William Grosso shows how the use of RMI has evolved to remove the need for skeletons in JDK 1.2 and of stubs in J2SE 1.5. When you are doing distributed programming, if you control both sides of the wire, when would you use RMI and when will you use Web Services?

SOA, Service Oriented Architecture, has become the buzzword of the moment when it comes to reuse.
In today's
Weblogs, Inderjeet Singh has written SOA: A look from the reusability point of view. He looks at our history with reusability and asks "Is SOA really an improvement over the paradigms that precede it? I guess we will know the answer in a couple of years when we have more experience with it to know what works and what does not. However, some benefits are apparent: you need to know very little to use a service. Essentially you just look at its WSDL, which for a well-designed service focusses primarily on what you as a user need to know about the service. The reusability is high since the code is not available and hence everyone is forced to use the service through its interface. If your service is being used by many users, their demands will quickly ensure that you actually have something that is reusable. For that reason, SOA probably provides a very good unit of reusability."

After Srikanth Shenoy has shared Experiences with using Log4J in J2EE applications, readers respond with other suggestions that he finds helpful. Check out his blog entry and join the discussion.

Richard Monson-Haefel explains why publishing his own works wasn't practical for him in My adventure in Self-Publishing. The main problem was that "after about six months that I was spending way too much time marketing and managing the production and sale of the workbooks."

If you want to attract VBers, Scheide posts that you need to take "a good look at VB with its high-level approach would attract many developers to Java if an equivalent high level API existed for newbies. "
That leads off today's

How is rewinding done? In the Tapestry discussion, MelvinMa says that now that he has " used some of its features such as doing multiple selections on objects. It is really, really cool! Please explain the rewinding in more details to me."

Maybe Layout should not be done using the Java Language. Charlie Hubbard compares FormLayout to GridBagLayout in his post.

Also in Java Today
, Bilal Siddiqui is Implementing XML Encryption in Java using code that he is calling WSS4J. In this third article he uses concepts from the XML Security Suite for Java (XSS4J) from IBM alphaWorks to implement the XML encryption features in his WSS4J API.

Code reviews early and often "can be effective at locating software defects during development when they are most easily and inexpensively fixed". Tom Wheeler writes about automating the process in Improving Project Quality with PMD . Practical advice includes the suggestions that you use PMD in your IDE and builds with different configs and that you customize the rules that come with PMD to suite your own needs.

In today's Projects and Communities , The Jini community's Home project has released a new Music service and a remote control client that "plays MP3 files on a computer that's connected a sound system in a home, or to speakers that are wired into the home itself."

The SaverBeans Screensaver SDK, a JDIC incubator project is part of the JavaDesktop community. They've also announced a contest where you could win a Java Desktop T-Shirt or be featured at JavaOne.

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