Eclipse
Making a Spring bean Applicationcontext aware
Suppose we have a webapplication with spring, and we are initializing spring’s WebApplicationContext by configuring ContextLoaderListener in web.xml. How can we get an instance of spring’s applicationContext object? Possible solutions: While configuring spring through web.xml the spring ApplicationContext object is set in the ServletContext. To get ApplicationContext we say ApplicationContext applicationContext = (ApplicationContext)servletContext.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE); So we [...]
How to contribute templates in the custom editor
The template feature is one of the most used features in Eclipse editors, providing auto-completion for the code syntax. When you type “for” in the Java editor and hit Ctrl + space you get the custom assist proposal for the completion of the for loop. It saves the developer’s time and also makes the editor [...]
Making applications work together in Eclipse
Eclipse as we know is a great implementation of plugin-architecture.
We decouple different components of a system into bundles.
plugin-architecture is very simplistic in nature, highly extensible and modular at the cost of a tricky class-loading policy.
Actually Eclipse is a story of several class-loaders.
It iniataites a chain of class loaders to load the plug-ins lazily as specified in component-specific manifest.mf files.
If we understand its class-loading policy and learn some tricks, then we can make different third-party jars talk to each other and avoid infamous ‘ClassNotFound Exception’.
Graphical Model Transformation Framework
In a nutshell: GMTF generates an MDA tool to carry out the smooth transformation of models through a rich UI. Problem Space In order to minimize the chaos, the product vendors are very fast coming up with standard specifications for industry domain models. For example, telecom industry has proposed a common meta-model for telecom products. [...]