class ActionDispatch::MiddlewareStack
Attributes
middlewares
[RW]
Public Class Methods
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 70 def initialize(*args) @middlewares = [] yield(self) if block_given? end
Public Instance Methods
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 87 def [](i) middlewares[i] end
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 160 def build(app = nil, &block) instrumenting = ActiveSupport::Notifications.notifier.listening?(InstrumentationProxy::EVENT_NAME) middlewares.freeze.reverse.inject(app || block) do |a, e| if instrumenting e.build_instrumented(a) else e.build(a) end end end
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 125 def delete(target) middlewares.reject! { |m| m.name == target.name } end
Deletes a middleware from the middleware stack.
Returns the array of middlewares not including the deleted item, or returns nil if the target is not found.
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 133 def delete!(target) delete(target) || (raise "No such middleware to remove: #{target.inspect}") end
Deletes a middleware from the middleware stack.
Returns the array of middlewares not including the deleted item, or raises RuntimeError
if the target is not found.
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 75 def each(&block) @middlewares.each(&block) end
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 96 def initialize_copy(other) self.middlewares = other.middlewares.dup end
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 100 def insert(index, klass, *args, &block) index = assert_index(index, :before) middlewares.insert(index, build_middleware(klass, args, block)) end
Also aliased as:
insert_before
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 108 def insert_after(index, *args, &block) index = assert_index(index, :after) insert(index + 1, *args, &block) end
insert_before
(index, klass, *args, &block)
Alias for:
insert
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 83 def last middlewares.last end
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 137 def move(target, source) source_index = assert_index(source, :before) source_middleware = middlewares.delete_at(source_index) target_index = assert_index(target, :before) middlewares.insert(target_index, source_middleware) end
Also aliased as:
move_before
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 147 def move_after(target, source) source_index = assert_index(source, :after) source_middleware = middlewares.delete_at(source_index) target_index = assert_index(target, :after) middlewares.insert(target_index + 1, source_middleware) end
move_before
(target, source)
Alias for:
move
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 79 def size middlewares.size end
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 114 def swap(target, *args, &block) index = assert_index(target, :before) insert(index, *args, &block) middlewares.delete_at(index + 1) end
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 91 def unshift(klass, *args, &block) middlewares.unshift(build_middleware(klass, args, block)) end
# File actionpack/lib/action_dispatch/middleware/stack.rb, line 155 def use(klass, *args, &block) middlewares.push(build_middleware(klass, args, block)) end
© 2004–2021 David Heinemeier Hansson
Licensed under the MIT License.