Class: ActionController::DataStreaming::FileBody

Inherits:
Object
  • Object
show all
Defined in:
lib/action_controller/metal/data_streaming.rb

Overview

Avoid having to pass an open file handle as the response body. Rack::Sendfile will usually intercept the response and uses the path directly, so there is no reason to open the file.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ FileBody

Returns a new instance of FileBody


87
88
89
# File 'lib/action_controller/metal/data_streaming.rb', line 87

def initialize(path)
  @to_path = path
end

Instance Attribute Details

#to_pathObject (readonly)

Returns the value of attribute to_path


85
86
87
# File 'lib/action_controller/metal/data_streaming.rb', line 85

def to_path
  @to_path
end

Instance Method Details

#eachObject

Stream the file's contents if Rack::Sendfile isn't present.


92
93
94
95
96
97
98
# File 'lib/action_controller/metal/data_streaming.rb', line 92

def each
  File.open(to_path, 'rb') do |file|
    while chunk = file.read(16384)
      yield chunk
    end
  end
end