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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/vendor/rack-1.1.pre/rack/cascade.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/vendor/rack-1.1.pre/rack/cascade.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/cascade.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/cascade.rb b/actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/cascade.rb new file mode 100644 index 0000000000..a038aa1105 --- /dev/null +++ b/actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/cascade.rb @@ -0,0 +1,36 @@ +module Rack + # Rack::Cascade tries an request on several apps, and returns the + # first response that is not 404 (or in a list of configurable + # status codes). + + class Cascade + attr_reader :apps + + def initialize(apps, catch=404) + @apps = apps + @catch = [*catch] + end + + def call(env) + status = headers = body = nil + raise ArgumentError, "empty cascade" if @apps.empty? + @apps.each { |app| + begin + status, headers, body = app.call(env) + break unless @catch.include?(status.to_i) + end + } + [status, headers, body] + end + + def add app + @apps << app + end + + def include? app + @apps.include? app + end + + alias_method :<<, :add + end +end |