1 files changed, 22 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/gzip.rb b/activesupport/lib/active_support/gzip.rb
new file mode 100644
index 0000000000..c65944dacd
--- /dev/null
+++ b/activesupport/lib/active_support/gzip.rb
@@ -0,0 +1,22 @@
+require 'zlib'
+require 'stringio'
+
+module ActiveSupport
+  module Gzip
+    class Stream < StringIO
+      def close; rewind; end
+    end
+
+    def self.decompress(source)
+      Zlib::GzipReader.new(StringIO.new(source)).read
+    end
+
+    def self.compress(source)
+      output = Stream.new
+      gz = Zlib::GzipWriter.new(output)
+      gz.write(source)
+      gz.close
+      output.string
+    end
+  end
+end
+\ No newline at end of file