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author | Jeremy Kemper <jeremy@bitsweat.net> | 2009-04-20 18:31:22 -0700 |
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committer | Jeremy Kemper <jeremy@bitsweat.net> | 2009-04-20 18:31:40 -0700 |
commit | 685a53a360d0d8fc4a9f3b49f900621c940a71f2 (patch) | |
tree | fa6b38f75a873a21c3e380f1acbab3d019293363 /actionpack/lib/action_dispatch/vendor/rack-1.0/rack/cascade.rb | |
parent | db05c73fb6e2294c576ef9889c70940891682c32 (diff) | |
parent | 164a94d0bc8c9124ab820506e5ad79496395c026 (diff) | |
download | rails-685a53a360d0d8fc4a9f3b49f900621c940a71f2.tar.gz rails-685a53a360d0d8fc4a9f3b49f900621c940a71f2.tar.bz2 rails-685a53a360d0d8fc4a9f3b49f900621c940a71f2.zip |
Merge branch 'master' into cherry
Conflicts:
activesupport/CHANGELOG
activesupport/lib/active_support/core_ext/class/delegating_attributes.rb
activesupport/lib/active_support/core_ext/hash/conversions.rb
activesupport/lib/active_support/core_ext/module/attribute_accessors.rb
activesupport/lib/active_support/core_ext/string/multibyte.rb
activesupport/lib/active_support/core_ext/time/calculations.rb
activesupport/lib/active_support/deprecation.rb
Diffstat (limited to 'actionpack/lib/action_dispatch/vendor/rack-1.0/rack/cascade.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/vendor/rack-1.0/rack/cascade.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/vendor/rack-1.0/rack/cascade.rb b/actionpack/lib/action_dispatch/vendor/rack-1.0/rack/cascade.rb new file mode 100644 index 0000000000..a038aa1105 --- /dev/null +++ b/actionpack/lib/action_dispatch/vendor/rack-1.0/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 |