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author | Joshua Peek <josh@joshpeek.com> | 2009-05-29 16:06:21 -0500 |
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committer | Joshua Peek <josh@joshpeek.com> | 2009-05-29 16:06:21 -0500 |
commit | 69742ca8fa05509f7d7c5512cb6d8e002ecb3ab3 (patch) | |
tree | 044c2131cc87d21ee54027511aae2b7f2d2ae26a /actionpack/lib/action_dispatch/middleware/callbacks.rb | |
parent | 5f3f100ce2d689480da85abc88e5e940cf90189e (diff) | |
parent | 5ec2c7dc29b36d85b2658465b8a979deb0529d7e (diff) | |
download | rails-69742ca8fa05509f7d7c5512cb6d8e002ecb3ab3.tar.gz rails-69742ca8fa05509f7d7c5512cb6d8e002ecb3ab3.tar.bz2 rails-69742ca8fa05509f7d7c5512cb6d8e002ecb3ab3.zip |
Merge branch 'master' into active_model
Conflicts:
activemodel/lib/active_model/core.rb
activemodel/test/cases/state_machine/event_test.rb
activemodel/test/cases/state_machine/state_transition_test.rb
activerecord/lib/active_record/validations.rb
activerecord/test/cases/validations/i18n_validation_test.rb
activeresource/lib/active_resource.rb
activeresource/test/abstract_unit.rb
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/callbacks.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/middleware/callbacks.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/callbacks.rb b/actionpack/lib/action_dispatch/middleware/callbacks.rb new file mode 100644 index 0000000000..0a2b4cf5f7 --- /dev/null +++ b/actionpack/lib/action_dispatch/middleware/callbacks.rb @@ -0,0 +1,40 @@ +module ActionDispatch + class Callbacks + include ActiveSupport::Callbacks + define_callbacks :prepare, :before, :after + + class << self + # DEPRECATED + alias_method :prepare_dispatch, :prepare + alias_method :before_dispatch, :before + alias_method :after_dispatch, :after + end + + # Add a preparation callback. Preparation callbacks are run before every + # request in development mode, and before the first request in production + # mode. + # + # An optional identifier may be supplied for the callback. If provided, + # to_prepare may be called again with the same identifier to replace the + # existing callback. Passing an identifier is a suggested practice if the + # code adding a preparation block may be reloaded. + def self.to_prepare(identifier = nil, &block) + @prepare_callbacks ||= ActiveSupport::Callbacks::CallbackChain.new + callback = ActiveSupport::Callbacks::Callback.new(:prepare, block, :identifier => identifier) + @prepare_callbacks.replace_or_append!(callback) + end + + def initialize(app, prepare_each_request = false) + @app, @prepare_each_request = app, prepare_each_request + run_callbacks :prepare + end + + def call(env) + run_callbacks :before + run_callbacks :prepare if @prepare_each_request + @app.call(env) + ensure + run_callbacks :after, :enumerator => :reverse_each + end + end +end |