How to write action class in struts 2 namespace

Struts 2 Ajax Tutorial with Example Introduction of Struts 2 Framework Apache Struts 2 is an elegant, extensible framework for creating enterprise-ready Java web applications.

How to write action class in struts 2 namespace

The older version of JSTL specification 1. Please follow the screen captures to create a web project in Eclipse and to deploy the sample application to Tomcat or any other servlet container. This option is visible once you change to JavaEE perspective.

Click Next to proceed to the next step. In this step, select project source folder or leave to default location src. This folder essentially contains all the source files we are going to create. Click Next button to proceed to next step.

Check the option to generate web. If we choose this option, the web. Click Finish to complete the project creation. The new package creation dialogue appears. In the new package creation dialogue, enter the package name as net.

The Two County Clerks

Once the Java package has been created in the previous step, right click on the created package to create a new servlet. Since this is a demo application it is indeed enough to have a servlet; however in web applications based on various frameworks like Struts or Spring, we may have to create various types of classes like Action classes or Controller classes to deal with business logic or control flow.

Right click on the package net. The new servlet creation dialogue appears. After typing some servlet specific code in the just created class, we noticed that the compiler showing errors. This is due to lack of servlet specific libraries. In the next few steps we add JAR files required for the below code to compile.

Right click on project and select Properties. The project properties dialogue is shown as below: In the project properties window, select Java Build Path. In the project properties, click on tab Libraries, and then click on button Add Library.

how to write action class in struts 2 namespace

Select the server you have installed. In this case, we are selecting Tomcat 6. Please refer to the section Adding Tomcat as Server Runtime for the steps on how to add Tomcat as a runtime. We can see that Tomcat 6. Click OK to continue. In the source code below, we are getting the user entered name from request, and setting the same value to the request as attribute.

By this way, we can make sure that doPost … is invoked even when the user sends a GET request. The source code for the two JSPs has been given below.

Source code for jstl-demo. Please note that this variable has been set with user supplied request parameter in the JSTLDemoServlet from the earlier step. The follow is the index. The pageContext is one of the implicit objects of JSP and is of type javax. This implicit variable stores the value of the PageContext object associated with the current page.

This object provides access to various page attributes and other implicit objects. The implicit objects servletContext, request, response, session, out are added to the pageContext automatically and are accessible through pageContext in JSP EL.

how to write action class in struts 2 namespace

In the above code, we are retrieving request object which triggered the current JSP from pageContext, and accessing contextPath from request object.

Here is the code for web. Please click this link to download the two JAR files i. Now, we have a sample JSTL application ready for deployment.In this tutorial we will create a webapp using Struts2 framework.

Struts 2 Annotation Concept

Step by step we will create Action class, ResouceBundle file, JSP to display results and also we will add basic validation to .

In my struts application, I have 2 namespaces named 'a' and 'b' and defined action 'process' for each namespace. Now, in some cases I have to chain the request from action 'process' in namespace 'a' to action 'process' in namespace 'b'.

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Unlike the standard filter task provided with Ant, it is XML-sensitive, but doesn't require you to define XSLTs.. Uses include: modifying configuration files for applications during builds. Blog dedicado a temas de programación actuales usando el lenguaje de programación Java y las últimas versiones de sus APIs y Herramientas.

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