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From David Smith <d...@cornell.edu>
Subject Re: Expression Language in JSP and JasperException
Date Tue, 20 Feb 2007 20:23:32 GMT
Ok .... forgive me now, but this is getting confusing.  Where does 
result come into this picture?  Were you expecting actionBean to be an 
instance of a different class?  You aren't offering a lot to go on here.


--David

Piotr Kiraga wrote:
>> > The problem is that there could be a class that has no property with
>> > name result. In another case there could be another class (bean) that
>> > has such property (than of course it works fine, but at first case
>> > Tomcat throws exception).
>> >
>> Maybe.... but let's keep debugging simple.  The expression language is
>> expecting a class conforming to the JavaBeans standard.  What does the
>> class "com.some.packages.action.LoginActionBean" look like?
>
> Here is LoginActionBean class code (like I sad before, there is no
> result field, so getter and seter either):
>
> ################################################
> package com.some.packages.action;
>
> import net.sourceforge.stripes.action.ActionBean;
> import net.sourceforge.stripes.action.ActionBeanContext;
> import net.sourceforge.stripes.action.DefaultHandler;
> import net.sourceforge.stripes.action.DontValidate;
> import net.sourceforge.stripes.action.ForwardResolution;
> import net.sourceforge.stripes.action.Resolution;
> import net.sourceforge.stripes.validation.LocalizableError;
> import net.sourceforge.stripes.validation.Validate;
>
> import com.some.packages.util.Global;
> import com.some.packages.util.SessionManager;
> import com.some.packages.vo.UserVO;
>
> /**
> * @author Piotr Kiraga
> * @since 2007-02-15 12:13:06
> */
> public class LoginActionBean implements ActionBean {
>
>     private ActionBeanContext context;
>     private String forwardSuccess = "/calculator.jsp";
>     private String forwardFail = "/index.jsp";
>     
>     @Validate(required=true, mask="^.{4,8}$") private String userName;
>     @Validate(required=true, mask="^.{1,8}$") private String password;
>
>     /* execute 
> *************************************************************************/ 
>
>     
>     /*
>      * Handler method.
>      * Handles default action.
>      */
>     @DefaultHandler
>     @DontValidate
>     public Resolution init() {
>         return new ForwardResolution(forwardFail);
>     }
>     
>     /*
>      * Handler method.
>      * Handles login action.
>      */
>     public Resolution login() {
>         if ( SessionManager.authorize(getContext(), getUserName(), 
> getPassword()) ) {
>             return new ForwardResolution(forwardSuccess);
>         }
>         else {
>             this.getContext().getValidationErrors().addGlobalError(new
> LocalizableError("login.error.invalidUserOrPass", userName));
>             return init();
>         }
>     }
>
>     /* validation 
> **********************************************************************/
>     
>     /* getters and setters
> *************************************************************/
>     
>     public String getPassword() {
>         return password;
>     }
>
>     public void setPassword(String password) {
>         this.password = password;
>     }
>
>     public String getUserName() {
>         return userName;
>     }
>
>     public void setUserName(String userName) {
>         this.userName = userName;
>     }
>
>     public ActionBeanContext getContext() {
>         return context;
>     }
>
>     public void setContext(ActionBeanContext context) {
>         this.context = context;
>     }
>
> }
> ################################################
>
>
> Regards,
>


-- 
David Smith
Network Operations Supervisor
Department of Entomology
Cornell University
2132 Comstock Hall
Ithaca, NY 14853
Phone: (607) 255-9571
Fax: (607) 255-0940


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