NAME

Data::Processor::ValidatorFactory - create validators for use in schemas

SYNOPSIS

            

              
              
use Data::Processor::ValidatorFactory;
my $vf = Data::Processor::ValidatorFactory->new;
my $SCHEMA = {
   log => {
       validator => $vf->file('>','writing'),
   },
   name => {
       validator => $vf->rx(qr{[A-Z]+},'expected name made up from capital letters')
   },
   mode => {
       validator => $vf->any(qw(UP DOWN))
   }
}
            
          

DESCRIPTION

The ValidatorFactory lets you create falidator functions for use in Data::Processor schemas.

METHODS

new

create an instance of the factory

file($operation,$message)

use the three parameter open to access the 'value' of if this does not work return $message followed by the filename and the errormessage

            

              
              
$vf->file('<','reading');
$vf->file('>>','appending to');
            
          

dir()

check if the given directory exists

            

              
              
$vf->dir();
            
          

rx($rx,$message)

apply the regular expression to the value and return $message if it does not match.

            

              
              
$vf->rx(qr{[A-Z]+},'use uppercase letters')
            
          

any(@list)

value must be one of the values of the @list

            

              
              
$vf->any(qw(ON OFF))
            
          

COPYRIGHT

Copyright (c) 2015 by OETIKER+PARTNER AG. All rights reserved.

AUTHOR

Tobias Oetiker <tobi@oetiker.ch>

LICENCE

This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.