Understanding Action Class
Here is the signature of the Action Class.
public ActionForward execute(ActionMapping mapping,
ActionForm form,
javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
throws java.lang.Exception
Action Class process the specified HTTP request, and create the corresponding HTTP
response (or forward to another web component that will create it), with provision for
handling exceptions thrown by the business logic. Return an ActionForward instance
describing where and how control should be forwarded, or null if the response has
already been completed.
Parameters:
mapping - The ActionMapping used to select this instance
form - The optional ActionForm bean for this request (if any)
request - The HTTP request we are processing
response - The HTTP response we are creating
Throws:
Action class throws java.lang.Exception - if the application business logic throws
an exception
Adding the Action Mapping in the struts-config.xml
To test the application we will add a link in the index.jsp
<html:link page="/TestAction.do">Test the Action</html:link>
Following code under the <action-mappings> tag is used to for mapping the
TestAction class.
<action path="/TestAction" type="sturtTest.TestAction">
<forward name="testAction" path="/TestAction.jsp"/>
</action>
To test the new application click on Test the Ac t i o n link on the index page. The
content of TestAction.jsp should be displayed on the user browser.
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