During the last weeks the RAP team has been busy lifting RAP's client-to-server communication to the JSON protocol. That was a lot of work, and we finished it just in time for Kepler M2. With this milestone, the migration to the new protocol is eventually complete. All communication uses JSON now, and no undocumented HTTP parameters are involved anymore. In RAP 1.5, we replaced the communication...
Read MoreJust in time, the first service release for RAP 1.5 has been published on Friday. It adds a dozen bugfixes to RAP 1.5. We always backport fixes very carefully in order to maintain the stability of the release. Therefore, only critical or very obvious fixes have been included. So if you are running RAP 1.5, you can now safely upgrade to 1.5.1. The service release is...
Read MoreIn Java, every object has a method hashCode that is simple to understand but still it's sometimes forgotten or misused. Here are three things to keep in mind to avoid the common pitfalls. An object's hash code allows algorithms and data structures to put objects into compartments, just like letter types in a printer's type case. The printer puts all “A” types into the compartment for...
Read MoreUpdate: It turned out that there is already a solution to the problem described here. The bundle org.eclipse.equinox.supplement exports the packages needed by equinox.common. This bundle is available from https://download.eclipse.org/equinox/. If you want to run Eclipse databinding, simply inlude this bundle and org.eclipse.equinox.common and you're set. You can disregard the solution explained below. Thanks Pascal Rapicault for the pointer. Eclipse databinding is separated into a core...
Read MoreEclipse 4 is the new platform for application development in Eclipse. We already succeeded to run e4 applications on RAP two years ago, but then we got sidetracked by other efforts. Now that Eclipse 4.2 has become the primary development stream in Juno, it's time to have another look at the topic. Last Friday I met with Lars Vogel, author of the first book on...
Read MoreWe're proud to announce that a new RAP release is now available for download. Together with Eclipse Juno, RAP has just published it's version 1.5.0. RAP 1.5 comes with cool new features such as HTML markup support for widgets ...
Read MoreComposite repositories make it easy to maintain different versions of a software in a single repository. The idea is to have one public p2 repository that delegates to a number of child repositories. Once you have a new build, you can easily add it to the composite repository and remove some obsolete builds. The child repositories can be anywhere, but it's simple to keep them...
Read MoreRAP 1.5 includes a new API to define and start RAP applications programmatically (up to RAP 1.4, this was only possible using Eclipse extensions or web.xml properties). With this new API, RAP can also be used for leightweight applications based on OSGi, but without the entire Eclipse stack, even with other OSGi containers like Apache Felix. Also traditional web applications, that use RWT as a...
Read MoreThe RAP 1.5 M6 milestone build is packed with new features, especially for Trees and Tables. But most notably, you can now use HTML markup in Tables, Trees, and also in Labels: Just enable the markup support for a certain widget (see below), then you can make its text bold, italic, yellow or … no, not blinking! Actually, RAP will validate the markup and allows only...
Read MoreBesides all the Java code in the RAP project, we also have more than 250 JavaScript files which total up to 75k lines of code. For such an amount of code, you should have some kind of code analysis that detects common coding problems like unintentional global variables. We use the JSEclipse plug-in for JavaScript editing which detects some, but not many JavaScript problems. A while...
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