THE TUTORIAL LIBRARY
Duplicate form submissions are acceptable in some cases. Such scenarios are called idempotent transitions. When multiple submissions of data are not critical enough to impact the b
Read tutorialDispatchAction is another useful built-in Struts Action. However you cannot use it as is. You will have to extend it to provide your own implementation. An example will make things
Read tutorialStruts application development in enterprise applications requires discipline. We are not referring to any particular methodology; just some guidelines for Struts based application
Read tutorialYou can define any number of JDBC javax.sql.DataSource objects for the application in the configuration file under the element . Every data source is defined within the element usi
Read tutorialAs you'd expect in an MVC framework, every request starts at the Struts controller, the heart of which is the ActionServlet class. This servlet is usually mapped to the extension *
Read tutorialThis is an excellent question. Let's step back a second and think about a typical mid to large size application. If we start from the back end and work toward the view we have:
Read tutorialChaining actions can be done by simply using the proper mapping in your forward entries in the struts-config.xml file. Assume you had the following two classes:
Read tutorialFirst off, there's an even newer Validator rule called validwhen, which is almost certainly what you want to use, since it is much easier and more powerful. It will be available in
Read tutorialThe simplest way to prepopulate a form is to have an Action whose sole purpose is to populate an ActionForm and forward to the servlet or JSP to render that form back to the client
Read tutorialThis is just one of many ways to achieve submitting a form and decoding the intended action. Once you get used to the framework you will find other ways that make more sense for yo
Read tutorialA problem with a checkbox is that the browser will only include it in the request when it is checked. If it is not checked, the HTML specification suggests that it not be sent (i.e
Read tutorialThe problem with ReloadAction was that Struts was trying to act like a container, but it couldn't do a proper job of it. For example, you can't reload classes that have been modifi
Read tutorialOne example today. A better developer tomorrow.