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Manual Reference Pages  -  VALIDATION::CLASS::DIRECTIVE (3)

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NAME

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

CONTENTS

VERSION

version 7.900056

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.

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perl v5.20.3 VALIDATION::CLASS::DIRECTIVE (3) 2014-05-29

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