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author | Hongli Lai (Phusion) <hongli@phusion.nl> | 2008-12-03 19:30:35 +0100 |
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committer | Hongli Lai (Phusion) <hongli@phusion.nl> | 2008-12-03 19:30:35 +0100 |
commit | ccb96f2297e8783165cba764e9b5d51e1a15ff87 (patch) | |
tree | 3229e6fdddc42054615514d843c555e341003033 /actionpack/lib/action_controller/middleware_stack.rb | |
parent | fb2325e35855d62abd2c76ce03feaa3ca7992e4f (diff) | |
parent | 761a633a9c0a45d76ef3ed10da97e3696c3ded79 (diff) | |
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Merge commit 'origin/master' into savepoints
Conflicts:
activerecord/lib/active_record/fixtures.rb
activerecord/test/cases/defaults_test.rb
Diffstat (limited to 'actionpack/lib/action_controller/middleware_stack.rb')
-rw-r--r-- | actionpack/lib/action_controller/middleware_stack.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/middleware_stack.rb b/actionpack/lib/action_controller/middleware_stack.rb new file mode 100644 index 0000000000..1864bed23a --- /dev/null +++ b/actionpack/lib/action_controller/middleware_stack.rb @@ -0,0 +1,42 @@ +module ActionController + class MiddlewareStack < Array + class Middleware + attr_reader :klass, :args, :block + + def initialize(klass, *args, &block) + @klass = klass.is_a?(Class) ? klass : klass.to_s.constantize + @args = args + @block = block + end + + def ==(middleware) + case middleware + when Middleware + klass == middleware.klass + when Class + klass == middleware + else + klass == middleware.to_s.constantize + end + end + + def inspect + str = @klass.to_s + @args.each { |arg| str += ", #{arg.inspect}" } + str + end + + def build(app) + klass.new(app, *args, &block) + end + end + + def use(*args, &block) + push(Middleware.new(*args, &block)) + end + + def build(app) + reverse.inject(app) { |a, e| e.build(a) } + end + end +end |