Re: Simple java question...

From:
Moiristo <R.delange@nospam.cs.utwente.nl>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 21 Aug 2006 17:45:56 +0200
Message-ID:
<ecckfq$dpg$1@netlx020.civ.utwente.nl>
gbattine wrote:

package giu;

import javax.faces.context.FacesContext;
import javax.faces.el.ValueBinding;

public class ViewUtils {
    public static Object eval(String expr) {
        FacesContext context = FacesContext.getCurrentInstance();
        ValueBinding binding
            = context.getApplication().createValueBinding(expr);
        return binding.getValue(context);
    }
}

and in my experiment class i have the add method that is like(i post
the important code)

if (conn != null) {
                Object bean = ViewUtils.eval("#{authenticationBean}");
                PreparedStatement pst2 = null;
                pst2 = conn.prepareStatement("INSERT INTO
esperimento(username,nometeam,piattaforma,links_url,tipoesperimento,controlliqualita)
VALUES (?,?,?,?,?,?)");
                pst2.setString(1, bean.loginName);
                pst2.setString(2, bean.teamName);
                pst2.setString(3, platform);

...................................etc
where authenticationBean is the bean from which i want extracting
loginName and teamName fields..
my compiler says loginName and teamName can't be resolved...please help
me!!!


Now this is *really* basic stuff. How much experience do you have in
basic java programming? Anyway, you have to cast bean to the appropriate
class.

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