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-rw-r--r--actionpack/lib/action_controller/metal/params_wrapper.rb30
1 files changed, 13 insertions, 17 deletions
diff --git a/actionpack/lib/action_controller/metal/params_wrapper.rb b/actionpack/lib/action_controller/metal/params_wrapper.rb
index 2d8afc3a78..e0d8e1c992 100644
--- a/actionpack/lib/action_controller/metal/params_wrapper.rb
+++ b/actionpack/lib/action_controller/metal/params_wrapper.rb
@@ -6,31 +6,30 @@ require 'active_support/core_ext/module/anonymous'
require 'action_dispatch/http/mime_types'
module ActionController
- # Wraps parameters hash into nested hash. This will allow client to submit
- # POST request without having to specify a root element in it.
+ # Wraps the parameters hash into a nested hash. This will allow clients to submit
+ # POST requests without having to specify any root elements.
#
- # By default this functionality won't be enabled. You can enable
- # it globally by setting +ActionController::Base.wrap_parameters+:
- #
- # ActionController::Base.wrap_parameters = [:json]
+ # This functionality is enabled in +config/initializers/wrap_parameters.rb+
+ # and can be customized. If you are upgrading to \Rails 3.1, this file will
+ # need to be created for the functionality to be enabled.
#
# You could also turn it on per controller by setting the format array to
- # non-empty array:
+ # a non-empty array:
#
# class UsersController < ApplicationController
# wrap_parameters :format => [:json, :xml]
# end
#
- # If you enable +ParamsWrapper+ for +:json+ format. Instead of having to
+ # If you enable +ParamsWrapper+ for +:json+ format, instead of having to
# send JSON parameters like this:
#
# {"user": {"name": "Konata"}}
#
- # You can now just send a parameters like this:
+ # You can send parameters like this:
#
# {"name": "Konata"}
#
- # And it will be wrapped into a nested hash with the key name matching
+ # And it will be wrapped into a nested hash with the key name matching the
# controller's name. For example, if you're posting to +UsersController+,
# your new +params+ hash will look like this:
#
@@ -82,7 +81,7 @@ module ActionController
#
# ==== Examples
# wrap_parameters :format => :xml
- # # enables the parmeter wrapper for XML format
+ # # enables the parameter wrapper for XML format
#
# wrap_parameters :person
# # wraps parameters into +params[:person]+ hash
@@ -142,19 +141,16 @@ module ActionController
# try to find Foo::Bar::User, Foo::User and finally User.
def _default_wrap_model #:nodoc:
return nil if self.anonymous?
-
model_name = self.name.sub(/Controller$/, '').singularize
begin
- model_klass = model_name.constantize
- rescue NameError, ArgumentError => e
- if e.message =~ /is not missing constant|uninitialized constant #{model_name}/
+ if model_klass = model_name.safe_constantize
+ model_klass
+ else
namespaces = model_name.split("::")
namespaces.delete_at(-2)
break if namespaces.last == model_name
model_name = namespaces.join("::")
- else
- raise
end
end until model_klass