What is struts RequestProcessor?
In Struts 1.1-1.2. x RequestProcessor contains the processing logic that the Struts controller servlet performs as it receives each servlet request from the container. You can customize the request processing behavior by subclassing this class and overriding the method(s) whose behavior you are interested in changing.
What is ActionServlet in Struts?
ActionServlet represents the “controller” in the Model-View-Controller (MVC) design pattern for web applications that is commonly known as “Model 2”. This nomenclature originated with a description in the JavaServerPages Specification, version 0.92, and has persisted ever since (in the absence of a better name).
What is the use of tiles in struts?
Tiles is a templating framework designed to easily allow the creation of web application pages with a consistent look and feel. It can be used for both page decorating and componentization. The Tiles plugin allows actions to return Tiles pages.
How does struts2 validation work?
When the user presses the submit button, Struts 2 will automatically execute the validate method and if any of the “if” statements listed inside the method are true, Struts 2 will call its addFieldError method. If any errors have been added, then Struts 2 will not proceed to call the execute method.
What are form beans in Struts?
A form bean is a type of Java bean. A form bean is an instance of a subclass of an ActionForm class and other FormBean class, which stores HTML form data from a submitted client request or that can store input data from a Struts action link that a user clicked. You can divide Form Beans into two types.
What is JSP Tiles?
Tiles is used to create reusable presentation components. With Tiles, we first define a base layout with different sections after that we define which jsp page should fill in the corresponding regions in an exteranl configuration file. The same layout can be reused any number of times by specifying different jsp pages.
What is Tiles framework?
Apache Tiles is a template composition framework. Tiles was originally built to simplify the development of web application user interfaces, but it is no longer restricted to the JavaEE web environment. Tiles allows authors to define page fragments which can be assembled into a complete page at runtime.