From: Justin Hunter <justin.d.hunter@gmail.com>
Date: Tue, 9 Feb 2010 21:30:14 +0000 (-0800)
Subject: don't try to guess what to load, use a mapping
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=2d6021dca90f357fd4d1dfcea5e9f7903e250b94;p=dbsrgits%2FSQL-Translator-2.0-ish.git

don't try to guess what to load, use a mapping
more error checking to come later (famous last words)
---

diff --git a/lib/SQL/Translator.pm b/lib/SQL/Translator.pm
index 55b555d..93137e5 100644
--- a/lib/SQL/Translator.pm
+++ b/lib/SQL/Translator.pm
@@ -5,6 +5,8 @@ class SQL::Translator {
     use SQL::Translator::Types qw(DBIHandle Parser Producer Schema);
     use SQL::Translator::Object::Schema;
 
+    our $VERSION = '0.001';
+
     has 'parser' => (
         isa => Str,
         is => 'rw',
@@ -65,6 +67,12 @@ class SQL::Translator {
     has 'version' => (isa => Str, is => 'rw');
     has 'filename' => (isa => Str, is => 'rw');
 
+    has '_producer_mapping' => (
+        isa => HashRef,
+        is => 'ro',
+        default => sub { { MySQL => 'SQL::MySQL', SQLite => 'SQL::SQLite', PostgreSQL => 'SQL::PostgreSQL', XML => 'XML', YAML => 'YAML' } }
+    );
+
     method _build__parser {
         my $class = 'SQL::Translator::Parser';
     
@@ -81,16 +89,13 @@ class SQL::Translator {
     }
     
     method _build__producer {
+        my $mapping = $self->_producer_mapping;
+
         my $class = 'SQL::Translator::Producer';
-        my $role = $class . '::' . $self->producer;
+        my $role = $class . '::' . $mapping->{$self->producer};
 
         Class::MOP::load_class($class);
-        try {
-            Class::MOP::load_class($role)
-        } catch ($e) {
-            $role = $class . '::SQL::' . $self->producer;
-            Class::MOP::load_class($role)
-        }
+        Class::MOP::load_class($role);
     
         my $producer = $class->new({ translator => $self });
         $role->meta->apply($producer);