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[gitmo/MooseX-Storage.git] / lib / MooseX / Storage / Engine / IO / AtomicFile.pm

package MooseX::Storage::Engine::IO::AtomicFile;
use Moose;

use utf8 ();
use IO::AtomicFile;

our $VERSION   = '0.33';
our $AUTHORITY = 'cpan:STEVAN';

extends 'MooseX::Storage::Engine::IO::File';

sub store {
	my ($self, $data) = @_;
	my $fh = IO::AtomicFile->new($self->file, 'w')
	    || confess "Unable to open file (" . $self->file . ") for storing : $!";
	$fh->binmode(':utf8') if utf8::is_utf8($data);	    
	print $fh $data;
	$fh->close() 
	    || confess "Could not write atomic file (" . $self->file . ") because: $!";
}

1;

__END__

=pod

=head1 NAME

MooseX::Storage::Engine::IO::AtomicFile - The actually atomic file storage mechanism.

=head1 DESCRIPTION

This provides the actual means to store data to a file atomically.

=head1 METHODS

=over 4

=item B<file>

=item B<load>

=item B<store ($data)>

=back

=head2 Introspection

=over 4

=item B<meta>

=back

=head1 BUGS

All complex software has bugs lurking in it, and this module is no 
exception. If you find a bug please either email me, or add the bug
to cpan-RT.

=head1 AUTHOR

Chris Prather E<lt>chris.prather@iinteractive.comE<gt>

Stevan Little E<lt>stevan.little@iinteractive.comE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright 2007-2008 by Infinity Interactive, Inc.

L<http://www.iinteractive.com>

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

=cut