module ActiveSupport::Gzip - activesupport-4.2.3 Documentation

# module ActiveSupport::Gzip

A convenient wrapper for the zlib standard library that allows compression/decompression of strings with gzip.

    gzip = ActiveSupport::Gzip.compress('compress me!')
    # => "\x1F\x8B\b\x00o\x8D\xCDO\x00\x03K\xCE\xCF-(J-.V\xC8MU\x04\x00R>n\x83\f\x00\x00\x00"

    ActiveSupport::Gzip.decompress(gzip)
    # => "compress me!"

### Public Class Methods

compress(source, level=Zlib::DEFAULT_COMPRESSION, strategy=Zlib::DEFAULT_STRATEGY) click to toggle source

Compresses a string using gzip.

    # File lib/active_support/gzip.rb, line 28
    def self.compress(source, level=Zlib::DEFAULT_COMPRESSION, strategy=Zlib::DEFAULT_STRATEGY)
      output = Stream.new
      gz = Zlib::GzipWriter.new(output, level, strategy)
      gz.write(source)
      gz.close
      output.string
    end

decompress(source) click to toggle source

Decompresses a gzipped string.

    # File lib/active_support/gzip.rb, line 23
    def self.decompress(source)
      Zlib::GzipReader.new(StringIO.new(source)).read
    end