Add content_type_stash_key to enable a stash entry to override the serialize content...

[catagits/Catalyst-Action-REST.git] / lib / Catalyst / Action / SerializeBase.pm

diff --git a/lib/Catalyst/Action/SerializeBase.pm b/lib/Catalyst/Action/SerializeBase.pm
index db5d42e..ac4934f 100644 (file)
--- a/lib/Catalyst/Action/SerializeBase.pm
+++ b/lib/Catalyst/Action/SerializeBase.pm
@@ -1,6 +1,6 @@
 #
 # Catlyst::Action::SerializeBase.pm
-# Created by: Adam Jacob, Marchex, <adam@marchex.com>
+# Created by: Adam Jacob, Marchex, <adam@hjksolutions.com>
 #
 # $Id$
 
@@ -36,8 +36,6 @@ sub _load_content_plugins {
         $self->_serialize_plugins( \@plugins );
     }
 
-    my $content_type = $c->request->preferred_content_type;
-
     # Finally, we load the class.  If you have a default serializer,
     # and we still don't have a content-type that exists in the map,
     # we'll use it.
@@ -55,14 +53,32 @@ sub _load_content_plugins {
         $config = $controller->config;
     }
     $map = $config->{'map'};
-    # If we don't have a handler for our preferred content type, try
-    # the default
-    if ( ! exists $map->{$content_type} ) {
-        if( exists $config->{'default'} ) {
-            $content_type = $config->{'default'} ;
-        } else {
-            return $self->_unsupported_media_type($c, $content_type);
-        }
+
+    # pick preferred content type
+    my @accepted_types; # priority order, best first
+    # give top priority to content type specified by stash, if any
+    my $content_type_stash_key = $config->{content_type_stash_key};
+    if ($content_type_stash_key
+        and my $stashed = $c->stash->{$content_type_stash_key}
+    ) {
+        # convert to array if not already a ref
+        $stashed = [ $stashed ] if not ref $stashed;
+        push @accepted_types, @$stashed;
+    }
+    # then content types requested by caller
+    push @accepted_types, @{ $c->request->accepted_content_types };
+    # then the default
+    push @accepted_types, $config->{'default'} if $config->{'default'};
+    # pick the best match that we have a serializer mapping for
+    my ($content_type) = grep { $map->{$_} } @accepted_types;
+
+    return $self->_unsupported_media_type($c, $content_type)
+        if not $content_type;
+
+    # carp about old text/x-json
+    if ($content_type eq 'text/x-json') {
+        $c->log->info('Using deprecated text/x-json content-type.');
+        $c->log->info('Use application/json instead!');
     }
 
     if ( exists( $map->{$content_type} ) ) {
@@ -94,8 +110,7 @@ sub _load_content_plugins {
         eval { require $load_class; };
         if ($@) {
             $c->log->error(
-                "Error loading $sclass for " . $content_type . ": $!" )
-              if $c->log->is_debug;
+                "Error loading $sclass for " . $content_type . ": $!" );
             return $self->_unsupported_media_type($c, $content_type);
         } else {
             $self->_loaded_plugins->{$sclass} = 1;