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Rudy De Busscher
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167 followers
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Rudy's posts

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Java EE Security Workshop
Earlier this month, I organized a workshop on Java EE Security. Because a lot of the developers don't know all the features and possibilities we have or how we can use them. The workshop contained the explanation of various concepts and examples regarding '...

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Using JWT for Process authentication of JAX-RS endpoint
Introduction Most of the time, when we have to deal with authentication, we have a real person on the other side, our end user. But there is another group of application interactions where the other party is another process. Another process who wants to use...

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Lambda expression as JSF actionListener
Introduction Although there is no official version of JSF which supports Java 8, there are various application servers that run on it today. And thus can we use some Java 8 features today. I'll show you in this blog post an example of using a lambda express...

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Show application version on your JSF screens
Introduction Sometimes it can be handy to show the application version on the screen of your application.  Users get used to have access to this information and it can also ease the communication in a lot of situations. Especially when you are releasing ver...

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Temporarily disable or conditional executing of PrimeFaces AJAX calls
Introduction In JSF 2.0, the AJAX functionality is standardised in the specification and can be used in a consistent way between JSF implementations and component libraries like PrimeFaces . With the addition of new functionality, new usage patterns become ...

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CDI event when transaction is finished
Introduction CDI events are a very handy way of loosely coupling event driven code. At some point in your code you raise the event, and in some other area, you execute some functionality when this event occurs. And there is no relation or code dependency be...

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Focus HTML element after AJAX call with PrimeFaces
Introduction The combination of AJAX updates to the screen and the focus of a field is more then once an issue for the developer. And this is not an issue of PrimeFaces, but comes with the fact of using AJAX. This blog explains what you can due in the 2 mos...

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Miniature post: calling super in HttpServlet methods
Introduction Lately I was writing some servlets for the Octopus SSO modules which I'm developing right now. Not used to do this anymore, I made a silly mistake which took quit some time to find out what I did wrong. Servlets Although they are still the basi...

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Introducing Jerry and Valerie
Or the JSF renderer interceptor and the (bean) validation extension. Introduction The first opensource project where I ever posted a change to, was Apache MyFaces Extension Validation , ExtVal in short. It is a framework for having a validation platform wit...

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Extending Arquillian Graphene
Introduction With Arquillian Graphene, you can write tests which inspect the GUI of your web application (HTML based ones) right from within your familiar Unit Test code structure. And there are already many nice features available, but sometimes, you want ...
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