kivitendo/SL/DefaultManager.pm @ 1e67e523
| 3e67a3f4 | Sven Schöling | package SL::DefaultManager;
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use strict;
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use SL::Util qw(camelify);
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use List::Util qw(first);
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my %manager_cache;
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sub new {
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my ($class, @defaults) = @_;
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bless [ @defaults ], $class;
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}
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sub _managers {
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my ($self) = @_;
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map { $self->_get($_) } @$self;
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}
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sub _get {
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my ($class, $name) = @_;
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return if !$name;
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$manager_cache{$name} ||= do {
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die "'$name' doesn't look like a default manager." unless $name =~ /^\w+$/a;
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my $package = 'SL::DefaultManager::' . camelify($name);
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eval "require $package; 1" or die "could not load default manager '$package': $@";
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$package->new;
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}
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}
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sub AUTOLOAD {
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our $AUTOLOAD;
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my ($self, @args) = @_;
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my $method = $AUTOLOAD;
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$method =~ s/.*:://;
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return if $method eq 'DESTROY';
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my $manager = first { $_->can($method) } $self->_managers;
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return $manager ? $manager->$method : @args;
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}
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1;
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__END__
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=encoding utf-8
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=head1 NAME
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SL::DefaultManager - sets of defaults for use outside of clients
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=head1 SYNOPSIS
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# during startup
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my $defaults = SL::DefaultManager->new($::lx_office_conf{default_manager});
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# during tests
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my $defaults = SL::DefaultManager->new('swiss');
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# in consuming code
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# will return what the manager provides, or the given value if $defaults does
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# not handle dateformat
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my $dateformat = $defaults->dateformat('dd.mm.yyyy');
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# have several default managers for different tasks
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# if polled the first defined response will win
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my $defaults = SL::DefaultManager->new('swiss', 'mobile', 'point_of_sale');
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=head1 DESCRIPTION
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TODO
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=head1 FUNCTIONS
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TODO
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=head1 BUGS
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None yet :)
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=head1 AUTHOR
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Sven Schöling E<lt>s.schoeling@linet-services.deE<gt>
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=cut
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