Merge branch 'master' into merge-if-green

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/file_streamer.rb b/lib/file_streamer.rb
new file mode 100644
index 00000000000..4e3c6d3c773
--- /dev/null
+++ b/lib/file_streamer.rb
@@ -0,0 +1,16 @@
+class FileStreamer #:nodoc:
+  attr_reader :to_path
+
+  def initialize(path)
+    @to_path = path
+  end
+
+  # Stream the file's contents if Rack::Sendfile isn't present.
+  def each
+    File.open(to_path, 'rb') do |file|
+      while chunk = file.read(16384)
+        yield chunk
+      end
+    end
+  end
+end