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|
#!/usr/bin/perl
package JSON::RPC::Common::Message;
$JSON::RPC::Common::Message::VERSION = '0.11';
use Moose::Role;
# ABSTRACT: JSON-RPC message role
use Carp qw(croak);
use Class::Load qw();
use namespace::clean -except => [qw(meta)];
requires 'deflate';
sub inflate {
my ( $class, @args ) = @_;
my $data;
if (@args == 1) {
if (defined $args[0]) {
no warnings 'uninitialized';
(ref($args[0]) eq 'HASH')
|| confess "Single parameters to inflate() must be a HASH ref";
$data = $args[0];
}
}
else {
$data = { @args };
}
my $subclass = $class->_version_class( $class->_get_version($data), $data );
Class::Load::load_class($subclass);
$subclass->new_from_data(%$data);
}
sub new_from_data { shift->new(@_) }
sub _get_version {
my ( $class, $data ) = @_;
if ( exists $data->{jsonrpc} ) {
return $data->{jsonrpc}; # presumably 2.0
} elsif ( exists $data->{version} ) {
return $data->{version}; # presumably 1.1
} else {
return "1.0";
}
}
sub _version_class {
my ( $class, $version, $data ) = @_;
my @numbers = ( $version =~ /(\d+)/g ) ;
if ( $class eq __PACKAGE__ and $data ) {
if ( exists $data->{method} ) {
$class = "JSON::RPC::Common::Procedure::Call";
} elsif ( exists $data->{id} or exists $data->{result} ) {
$class = "JSON::RPC::Common::Procedure::Return";
} else {
croak "Couldn't determine type of message (call or return)";
}
}
return join( "::", $class, join("_", Version => @numbers) );
}
__PACKAGE__
__END__
=pod
=head1 NAME
JSON::RPC::Common::Message - JSON-RPC message role
=head1 VERSION
version 0.11
=head1 AUTHOR
Yuval Kogman <nothingmuch@woobling.org>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2014 by Yuval Kogman and others.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|
