Loading of files in Liferay

Initially the servlet init method will get called,
Refer to MainServlet used by Main Servlet.
It is going to read the files from the classpath.
It will load the themes and layouts related files from both the core and the ext environment.

The following methods will be called
initThemes()
readPluginPackage();
initPortlets(pluginPackage);
initLayoutTemplates(pluginPackage, portlets);
initThemes(pluginPackage, portlets);
initSocialEquityLogScheduler();