This tutorial show you the example of application context listeners and events, as you know form last tutorials there are two life cycle and three attributes related listener and events are there in servlet context level. Here we will the example of both.
Listeners are added in servlet 2.3 versions, the classed and interfaces come with servlet API.
This tutorial show you the example of http session listeners and events, as you know form last tutorials there are two life cycle and three attributes related listener and events are there in http session level. Here we will the example of both.
Http Session Listeners are added in servlet 2.3 versions, the classed and interfaces come with servlet API.Http Session Listeners are added in servlet 2.3 versions, the classed and interfaces come with servlet .
In this tutorial you will learn how to validate the form data using struts inbuilt feature, we will use the same registration application example and validate the registration data.
We will update below files in registration example in order to validate the registration form data.
In this tutorial you will learn how you can configure multiple struts configuration files, there can be need in large web application where it is difficult to maintain the various modules in single struts configuration file, in this case you can split the configuration file into module wise and configure these configuration file in web.xml.
In this example we will develop the registration application using struts framework. After configuration the struts in web.xml, we are ready to struts based application. Below is the list of files which are developed for registration application.
The struts validation framework comes packaged with several useful validations that will suit for most situations, the struts validation comes with validation rule like required, minlenght, and maxlength etc. however, your web application may require a specific validation that is not provided by the struts validation framework. So in this case, the struts validator framework provides a simple interface .
The Resource bundles allow Java applications to be easily internationalized by having application content placed into bundles. This content can then be read by the application at run time. So instead of having content hard coded in the application, the application reads its content from the bundle. One of the benefits of using resource bundles to store application content .
This example show you the use of another useful built in struts action DispatchAction class. To use this action you need to extend this DispatchAction class in your action class.
The DispatchAction class provides a mechanism for modularizing a set of related functions into a single action, thus eliminating the need to create separate, independent actions for each function.