Hi Alex,
The problem is that package FooBar doesn't have a "new" method. Here's what
happened as a result.
When you called 'FooBar->new($r), perl looked for a sub called "new" in package
FooBar. Since it didn't find one, it looked at FooBar's @ISA, and looked in
Apache::Request for a "new" method. There it presumably found one, so that
statement didn't return an error. But, the new() in Apache::Request probably
returned an Apache::Request object instead of a FooBar object, so when you
called "$form->fooey", it only looked in Apache::Request and any modules in it's
@ISA.
You might want to look at using the universal "isa" and "can" methods while
you're debugging and trying stuff out. Good luck!
Wes Sheldahl
"Alex Porras" <[EMAIL PROTECTED]> on 02/14/2002 01:44:20 PM
To: "mod perl list" <[EMAIL PROTECTED]>
cc: (bcc: Wesley Sheldahl/Lex/Lexmark)
Subject: inheritance and Apache::Request
I am slowly learning about OO from Tom's tutorial, and was able to do
inheritance with two dummy classes I wrote, including adding methods to the
subclass and have them work too. However, when I tried to inherit from
Apache::Request, it doesn't seem to work right. Maybe this isn't an
Apache::Request issue, so forgive me if that's the case, but here's what I got:
FooBar.pm
---------------------------------------------
package FooBar;
use strict;
use Apache::Request();
@FooBar::ISA = qw(Apache::Request);
sub fooey {
print "hello world, I'm in FooBar";
}
---------------------------------------------
Handler.pm
---------------------------------------------
sub handler {
my $r = shift;
$r->send_http_header('text/html');
my $form = FooBar->new($r);
$form->fooey;
$r->exit(OK);
}
Here's the error I get:
[Thu Feb 14 12:35:14 2002] [error] Can't locate object method "fooey" via
package "Apache::Request" (perhaps you forgot to load "Apache::Request"?) at
/path/modified/Handler.pm line 21.
