NAME

Validation::Class::Directive - Base Class for Validation Class Directives

VERSION

version 7.900059

SYNOPSIS

            

              
              
package Validation::Class::Directive::CheckBlacklist;
use base 'Validation::Class::Directive';
use strict;
use warnings;
use Validation::Class::Util;
use File::Slurp;
has 'mixin'     => 0;
has 'field'     => 1;
has 'multi'     => 0;
has 'message'   => '%s has been blacklisted';
sub validate {
    my $self = shift;
    my ($proto, $field, $param) = @_;
    if (defined $field->{check_blacklist} && $param) {
        # is the parameter value blacklisted?
        my @blacklist = read_file('/blacklist.txt');
        $self->error if grep { $param =~ /^$_$/ } @blacklist;
    }
}
1;
            
          

... in your validation class:

            

              
              
package MyApp::Person;
use Validation::Class;
field ip_address => {
    required        => 1,
    check_blacklist => 1
};
1;
            
          

... in your application:

            

              
              
package main;
use MyApp::Person;
my $person = MyApp::Person->new(ip_address => '0.0.0.0');
unless ($person->validates('ip_address')) {
    # handle validation error
}
            
          

DESCRIPTION

You can extend Validation::Class by creating your own validation rules (directives). Validation::Class::Directive provides a base-class for you to use when creating new directive classes. Please see Validation::Class::Directives for a complete list of core directives.

AUTHOR

Al Newkirk <anewkirk@ana.io>

COPYRIGHT AND LICENSE

This software is copyright (c) 2011 by Al Newkirk.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.