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Extensibility jBPM style

Currently I am involved in a project that is moving away from a proprietary workflow solution to a JBPM based workflow solution. One of the first things I attempted to do was try and make jBPM integrate with the identity management solution used in the project. I knew that jBPM comes packaged with some sort […]

What to do with an Interruptedexception

Many java methods, such as Thread.sleep and Process.waitFor can throw an Interruptedexception. InterruptedException is a checked exception and as such requires you to explicitly catch it. Up until recently I’ve always simply swallowed this exception. I was fairly confident that this was the proper way to deal with this exception because this is how I’d […]

JPA missing non-exotic features

Ever since the Java Persistence API was announced there has been a lot of talk, both good and bad, about this specification. Many people have pointed out that a criteria API and something like hibernate filters are currently missing. However these features might be considered “exotic” and I can largely live without them. However a […]

XGL and java

A couple of months back I tried out a very nice opengl based x server called XGL. I followed the instructions outlined at http://www.ubuntuforums.org/showthread.php?t=131267 and had it working in record time. However there was one catch. Java applications would not render properly. For instance when I would start intelliJ Idea all the dialogs , menu […]

Integrating Spring and GWT

I just completed my first shot at integrating Spring with GWT. You can check it out here Here’s what you do to expose a simple service. 1) Write the remote service, note that the service no longer extends RemoteServiceServlet however HelloService should still implement RemoteService public class HelloServiceImpl implements HelloService { public String sayHello(String name) […]

Google WebToolkit remoting

Last week I started playing around with the google webtoolkit an Ajax framework that allows software engineers to develop complex ajax web interfaces in java rather than javascript. I found the google webtoolkit not without it’s limitations, most noteably it is very hard to style / layout pages compared to jsp templates etc. But I […]