Java ServletContext

ServletContext is an interface from package javax.servlet;

Getting ServletContext
ServletContext could be get by session.getServletContext() method.
HttpSession could be get by request.getSession( boolean create );

The most important members are:
* addFilter(java.lang.String filterName, Filter filter) - Registers the given filter instance with this ServletContext under the given filterName;
* addListener(java.lang.Class listenerClass) - Adds a listener of the given class type to this ServletContext;
* Object getAttribute(java.lang.String name);
* ClassLoader getClassLoader();
* String getContextPath();
* getMimeType(java.lang.String file);
* log( String message, Throwable throwable );
* setAttribute( String name, java.lang.Object object );