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package Catmandu::Serializer;
use Catmandu::Sane;
our $VERSION = '1.2012';
use Catmandu::Util qw(require_package);
use Moo::Role;
use namespace::clean;
has serialization_format =>
(is => 'ro', builder => 'default_serialization_format',);
has serializer => (
is => 'ro',
lazy => 1,
builder => '_build_serializer',
handles => [qw(serialize deserialize)]
);
sub default_serialization_format {'json'}
sub _build_serializer {
my ($self) = @_;
my $pkg = require_package($self->serialization_format,
'Catmandu::Serializer');
$pkg->new;
}
# Implementer needs to be create a serializer
# sub serialize {}
# Implementers needs to be create a deserializer
# sub deserialize {}
1;
__END__
=pod
=head1 NAME
Catmandu::Serializer - Base class for all Catmandu Serializers
=head1 SYNOPSIS
package Catmandu::Serializer::Foo;
use Moo;
sub serialize {
my ($self,$data) = @_;
.. transform the data to a string and return it...
}
sub deserialize {
my ($self,$string) = @_;
... transform the string into a perl hash ...
}
package MyPackage;
use Moo;
with 'Catmandu::Serializer';
package main;
my $pkg = MyPackage->new;
my $string = $pkg->serialize({ foo => 'bar' });
my $perl = $pkg->deserialize($string);
# Using Catmandu::Serializer::Foo
my $pkg = MyPackage->new( serialization_format => 'Foo' );
my $string = $pkg->serialize({ foo => 'bar' });
my $perl = $pkg->deserialize($string);
=head1 DESCRIPTION
This is a convience class to send Perl hashes easily over the wire without having to
instantiate a L<Catmandu::Importer> and L<Catmandu::Exporter> which are more suited for
processing IO streams.
=head1 ATTRIBUTES
=head1 serialization_format
The name of the package that serializes data.
=head1 serializer
An instance of the package that serializes.
=head1 METHODS
=head2 serialize($perl)
Serialize a perl data structure into a string.
=head2 deserialize($bytes)
Deserialize bytes into a perl data structure.
=head1 SEE ALSO
L<Catmandu::Store::DBI>,
L<Catmandu::Serializer::json>,
L<Catmandu::Serializer::storabe>,
L<Catmandu::Serializer::messagepack>
=cut
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