From 2429fb7e636733a986bb4211b1e049418284c25e Mon Sep 17 00:00:00 2001
From: Rafael Kitover <rkitover@cpan.org>
Date: Tue, 16 Jun 2009 10:24:06 -0700
Subject: rewritten using metaroles, the Moose way

---
 lib/MooseX/AlwaysCoerce.pm | 56 +++++++++++++++++++++++++++++++++-------------
 1 file changed, 41 insertions(+), 15 deletions(-)

(limited to 'lib')

diff --git a/lib/MooseX/AlwaysCoerce.pm b/lib/MooseX/AlwaysCoerce.pm
index b8ad4f3..ab98a64 100644
--- a/lib/MooseX/AlwaysCoerce.pm
+++ b/lib/MooseX/AlwaysCoerce.pm
@@ -5,12 +5,12 @@ use warnings;
 
 use namespace::autoclean;
 use Moose ();
+use MooseX::ClassAttribute ();
 use Moose::Exporter;
+use Moose::Util::MetaRole;
 use Carp;
 
-Moose::Exporter->setup_import_methods (
-    with_caller => [ 'has', 'class_has' ]
-);
+Moose::Exporter->setup_import_methods;
 
 =head1 NAME
 
@@ -18,25 +18,23 @@ MooseX::AlwaysCoerce - Automatically enable coercions for Moose attributes
 
 =head1 VERSION
 
-Version 0.01
+Version 0.02
 
 =cut
 
-our $VERSION = '0.01';
+our $VERSION = '0.02';
 
 =head1 SYNOPSIS
 
     package MyClass;
 
     use Moose;
-    use MooseX::ClassAttribute;
     use MooseX::AlwaysCoerce;
     use MyTypeLib 'SomeType';
 
     has foo => (is => 'rw', isa => SomeType); # coerce => 1 automatically added
 
-    # same, but you must load MooseX::ClassAttribute *BEFORE*
-    # MooseX::AlwaysCoerce
+    # same, MooseX::ClassAttribute is automatically applied
     class_has bar => (is => 'rw', isa => SomeType);
 
 =head1 DESCRIPTION
@@ -45,18 +43,44 @@ Have you ever spent an hour or more trying to figure out "WTF, why did my
 coercion not run?" only to find out that you forgot C<< coerce => 1 >> ?
 
 Just load this module in your L<Moose> class and C<< coerce => 1 >> will be
-enabled for every attribute automatically.
+enabled for every attribute and class attribute automatically.
 
 =cut
 
-sub has {
-    push @_, (coerce => 1);
-    goto &Moose::has;
+{
+    package MooseX::AlwaysCoerce::Role::Meta::Attribute;
+    use namespace::autoclean;
+    use Moose::Role;
+
+    has coerce => (is => 'rw', default => 1);
+
+    package MooseX::AlwaysCoerce::Role::Meta::Class;
+    use namespace::autoclean;
+    use Moose::Role;
+
+    around add_class_attribute => sub {
+        my $next = shift;
+        my $self = shift;
+        $self->$next(@_, coerce => 1);
+    };
 }
 
-sub class_has {
-    push @_, (coerce => 1);
-    goto &MooseX::ClassAttribute::class_has;
+sub init_meta {
+    shift;
+    my %options = @_;
+    my $for_class = $options{for_class};
+
+    MooseX::ClassAttribute->import({ into => $for_class });
+
+    Moose::Util::MetaRole::apply_metaclass_roles(
+        for_class => $for_class,
+        attribute_metaclass_roles =>
+            ['MooseX::AlwaysCoerce::Role::Meta::Attribute'],
+        metaclass_roles =>
+            ['MooseX::AlwaysCoerce::Role::Meta::Class'],
+    );
+
+    return $for_class->meta;
 }
 
 =head1 AUTHOR
@@ -97,6 +121,8 @@ L<http://search.cpan.org/dist/MooseX-AlwaysCoerce/>
 
 My own stupidity, for inspiring me to write this module.
 
+Dave Rolsky, for telling me how to do it the L<Moose> way.
+
 =head1 COPYRIGHT & LICENSE
 
 Copyright (c) 2009 Rafael Kitover
-- 
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