> For the complete documentation index, see [llms.txt](https://openthinks.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://openthinks.gitbook.io/docs/easyweb/chapter2.md).

# Class Diagram

The chapter and sections can be helpful for us to understand EasyWeb framework. Form the class diagrams, we can see two parts of framework: 1. core basic objects and building

* **WebContextLoadListener** Servlet context listener, initialize framework from here
* **WebConfigure** Configuration of framework
* **WebProcesser** Processor of objects such as WebContainer, WebController, WebFilter, WebMethod
* **WebContainer** store mappings which from request path to WebMethod instance
  1. handler for HTTP request
* **FilterHandler** Base handler, mostly used in EasyWebFilter, hold WebMethod from WebFilter
* **WebHandler** Handler used in EasyWebDispatcher, hold WebMethod from WebController
* **EasyWebDispatcher** Main servlet for framework to dispatch http request
* **EasyWebFilter** Main filter for framework to main servlet EasyWebDispatcher

![](https://692849660-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LOWz706pyxeJitQ0e16%2F-LOWzbSdLrH1KzTZoRd5%2F-LOWzdnaNP6AEyvSx6j5%2Feasyweb-core-classes.png?generation=1539242369129666\&alt=media)

![](https://692849660-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LOWz706pyxeJitQ0e16%2F-LOWzbSdLrH1KzTZoRd5%2F-LOWzdnc2E1j7_kJlpWA%2Feasyweb-handler-classes.png?generation=1539242369096703\&alt=media)