What are the scopes available in struts?
What are the scopes available in struts?
The attribute scope is used to define the scope (life of the object, the form) of the object action form that used in that action configuration. There’s also different scopes, page , request , session , application . That’s all from servlet specs.
What are struts used for in Java?
Struts is an open source framework that extends the Java Servlet API and employs a Model, View, Controller (MVC) architecture. It enables you to create maintainable, extensible, and flexible web applications based on standard technologies, such as JSP pages, JavaBeans, resource bundles, and XML.
How to add action class in Struts 2?
Open pom.xml file and add configurations for Struts 2 as below: Open web.xml file in src\\main\\webapp\\WEB-INF folder and add configurations for Struts 2 as below: Create new package named controllers.action in src/main/java folder. The action class in Struts 2 must be put in a package named action.
Which is the core of struts 2-actions?
Struts 2 – Actions. Actions are the core of the Struts2 framework, as they are for any MVC (Model View Controller) framework. Each URL is mapped to a specific action, which provides the processing logic which is necessary to service the request from the user. But the action also serves in two other important capacities.
How is the sessionaware interface implemented in Struts 2?
For the loginprocess and logout actions, we are using the same action class but there invocation methods are different. This action class implements the SessionAware interface and overrides the setSession method to store the information in the session scope. For logout, we are simply calling the invalidate () method of SessionMap.
What do you need to know about struts in Java?
Struts in Java is an open-source framework that is made by Apache. Apache provides a free source to download Struts for users. It follows the MVC (Model View Controller) pattern. There are three models in MVC – Model0, Model1, Model2. It provides an implementation of MVC architecture. It gives us pre-built classes for MVC that we can use/extend.