What is Struts?

It is a java based open source framework for developing web applications. It supports MVC pattern.

Steps to make Struts Application.

Step 1

Create a model class to get the data.

Step 2

Create a page (jsp) to display the data stored in model class.

Step 3

Create an Action class(Controller) which will interact between model and view.

Step 4

Create struts.xml file, to map Action class and view.

How Struts is working?

Step 1

User sends the request from browser to the server.

Step 2

The FilterDispatcher accepts the request and finds the appropriate action for that.

Step 3

Interceptors configurations applied for common functionality, like – validation,security, property population, logging, and profiling.

Step 4

Execute action method, it allow user to execute some business logics.

Step 5

Renders the output.

Step 6

Return the request through the interceptors in the reverse order, to clean the additional process.

Step 7

Sends the output to browser.

Struts Components

• Action Servlet
• Validator Framework
• Message Resources
• Struts Configuration XML Files
• View components like JSP, Freemarker
• Struts-tag libraries

Examples