sorry: s/undefined/uninitialised
On Fri, 2011-04-08 at 13:47 +0100, Richard Hill wrote:
> Well you can't call a method on null! null is not a String with value
> "null". It's a special value in java - basically a reference to a value
> called null (i.e distinct from an undefined variable that has no
> reference assigned). You need to check for a null value before calling
> any methods:
>
> if(user.getUserType() != null &&
> user.getUserType().equalsIgnoreCase("Admin")) {
>
> ....
>
>
>
>
> On Fri, 2011-04-08 at 05:38 -0700, robnangle wrote:
> > Richard Hill-7 wrote:
> > >
> > > You don't say what line your getting your npe but I'm guessing it's
> > > this:
> > >
> > > if(user.getUserType().equalsIgnoreCase("Admin")
> > >
> > > if .getUserType() is null as you imply it can be then
> > > calling .equalsIgnorecase() is going to result in an npe.
> > >
> >
> > Ye thats the line im getting it on. Yes everybodys userType will be null
> > after the first user who was set to Admin. How do I get around this or is it
> > possible?
> >
> > I thought you could just:
> >
> > public boolean adminUser() {
> > if(user.getUserType().equalsIgnoreCase("Admin")) {
> > adminUser = true;
> > setAdminUser(true);
> > }
> > else if(user.getUserType().equalsIgnoreCase(null)) {
> > adminUser = false;
> > }
> > return adminUser;
> > }
> >
> > However it never goes by the first if when the user is not an admin user..
> >
> >
> > --
> > View this message in context:
> > http://tapestry.1045711.n5.nabble.com/Object-creator-set-to-null-tp4290653p4290718.html
> > Sent from the Tapestry - User mailing list archive at Nabble.com.
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
> > For additional commands, e-mail: users-h...@tapestry.apache.org
> >
>
---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
For additional commands, e-mail: users-h...@tapestry.apache.org
