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-rw-r--r--actionpack/lib/action_controller/metal/responder.rb8
1 files changed, 7 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/metal/responder.rb b/actionpack/lib/action_controller/metal/responder.rb
index fd5b661209..b4ba169e8f 100644
--- a/actionpack/lib/action_controller/metal/responder.rb
+++ b/actionpack/lib/action_controller/metal/responder.rb
@@ -144,7 +144,7 @@ module ActionController #:nodoc:
undef_method(:to_json) if method_defined?(:to_json)
undef_method(:to_yaml) if method_defined?(:to_yaml)
- # Initializes a new responder an invoke the proper format. If the format is
+ # Initializes a new responder and invokes the proper format. If the format is
# not defined, call to_format.
#
def self.call(*args)
@@ -202,6 +202,7 @@ module ActionController #:nodoc:
# This is the common behavior for formats associated with APIs, such as :xml and :json.
def api_behavior(error)
raise error unless resourceful?
+ raise MissingRenderer.new(format) unless has_renderer?
if get?
display resource
@@ -269,6 +270,11 @@ module ActionController #:nodoc:
resource.respond_to?(:errors) && !resource.errors.empty?
end
+ # Check whether the neceessary Renderer is available
+ def has_renderer?
+ Renderers::RENDERERS.include?(format)
+ end
+
# By default, render the <code>:edit</code> action for HTML requests with errors, unless
# the verb was POST.
#