#!/usr/bin/perl -w

package URL;
use strict;

use Data::Dumper;
sub new {
    my $class = shift;
    my $self = {};

    $self = bless($self, $class);
    return $self;
}

sub load {
    my $self = shift;
    my %data = %{$_[0]};
    $self->url($data{url});
    $self->urlid($data{urlid});
}

sub url {
    my $self = shift;
    if (@_) { $self->{url} = shift; }
    return $self->{url};
}

sub urlid {
    my $self = shift;
    if (@_) { $self->{urlid} = shift; }
    return $self->{urlid};
}

1
##</code><code>##

#!/usr/bin/perl -w

package Tester;
use strict;
use URL;
use Data::Dumper;

sub new {
    my $class = shift;
    my $self = {};

    $self = bless($self, $class);
    return $self;
}

sub add {
    my $self = shift;
    my @urls;
    if ($self->{urls}) {
	@urls = @{$self->{urls}};
    } else {
	@urls = ();
    }
    my $url = ${$_[0]};
    
    push(@urls, $url);
    $self->{urls} = \@urls;
}

sub next {
    my $self = shift;
    my @urls = @{$self->{urls}};
    
    if (!@urls) {
	return undef;
    }
    my $url = pop(@urls);
    
    
    $self->{urls} = \@urls;
    return $url;
}

1

##</code><code>##

#!/usr/bin/perl -w
use strict;

use Tester;
use URL;

use Data::Dumper;
my $test = Tester->new();

my $url = URL->new();

my %hash = ('urlid'=>2,'url'=>'http://www.perlmonks.org');

$url->load(\%hash);
$test->add(\$url);

my %hash2 = ('urlid'=>3,'url'=>'http://www.ire.org');
my $url2 = URL->new();
$url2->load(\%hash2);
$test->add(\$url2);

while (my $u = $test->next()) {
    printf "URL ID: %d URL: %s\n", $u->urlid, $u->url;
}