package Path::Dispatcher::Rule::Metadata;
use Any::Moose;
extends 'Path::Dispatcher::Rule';
has field => (
is => 'ro',
isa => 'Str',
required => 1,
);
has matcher => (
is => 'ro',
isa => 'Path::Dispatcher::Rule',
required => 1,
);
sub _match {
my $self = shift;
my $path = shift;
my $got = $path->get_metadata($self->field);
# wow, offensive.. but powerful
my $metadata_path = $path->clone_path($got);
return unless $self->matcher->match($metadata_path);
return {
leftover => $path->path,
};
}
__PACKAGE__->meta->make_immutable;
no Any::Moose;
1;
__END__
=head1 NAME
Path::Dispatcher::Rule::Metadata - match path's metadata
=head1 SYNOPSIS
my $path = Path::Dispatcher::Path->new(
path => '/REST/Ticket'
metadata => {
http_method => 'POST',
},
);
my $rule = Path::Dispatcher::Rule::Metadata->new(
field => 'http_method',
matcher => Path::Dispatcher::Rule::Eq->new(string => 'POST'),
);
$rule->run($path);
=head1 DESCRIPTION
Rules of this class match the metadata portion of a path.
=head1 ATTRIBUTES
=head2 field
The metadata field/key name.
=head2 matcher
A L<Path::Dispatcher::Rule> object for matching against the value of the field.
=cut