Let's first briefly understand the role of the web script runtime in the web script framework. During the web script execution flow, once the request dispatcher sends the request, the web script runtime will delegate the request to the web script container for further processing in order to execute the web script. There are different implementations available for the web script runtime such as servlet runtime, portlet runtime, JSF runtime, Facebook runtime, and SURF web framework runtime. As a developer, you must be interested in knowing what needs to be done if a new implementation for the web script runtime is to be implemented. Let's take a look at it here.

In order to understand how to create a customized implementation of the web script runtime in the web script framework, first let's take a look at the service provider interface provided by the web script framework, which opens up the possibilities to create custom implementation. If you...