WebSphere Application Server - IBM Redbooks

Example 12-13 LoginAction class
public class LoginAction extends Action {
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
ActionErrors errors = new ActionErrors();
//return value
ActionForward forward = new ActionForward();
//Get the Form to read the user's input
LoginForm loginForm = (LoginForm) form;
String userName = loginForm.getUsername();
String password = loginForm.getPassword();
// Write logic determining how the user should be forwarded.
// For simplicity, the user input is checked against a known set
// of userid/passwords. In a business application, the
// the username/password validation is done against an underlying
// database storing users' information.
//START LOGIN LOGIC
if (userName.equals("admin1") && password.equals("admin1"))
{
forward = mapping.findForward("admin1page");
}
else if (userName.equals("admin2") && password.equals("admin2"))
{
forward = mapping.findForward("admin2page");
}
else
{
errors.add(ActionErrors.GLOBAL_ERROR, new
ActionError("error.password.mismatch"));
forward = mapping.findForward("failure");
}
//END LOGIN LOGIC
//Report any errors we have discovered. These errors are displayed
//on the destination page respresented by the 'forward' object
if(!errors.isEmpty())
446 IBM WebSphere Application Server - Express V5.0.2 Developer Handbook