Class: S3Gzip::Writer

Inherits:
Object
  • Object
show all
Defined in:
lib/s3gzip/writer.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(access_key_id, secret_access_key, bucket, filename) ⇒ Writer

Returns a new instance of Writer.



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# File 'lib/s3gzip/writer.rb', line 9

def initialize(access_key_id, secret_access_key, bucket, filename)

  @access_key_id = access_key_id
  @secret_access_key = secret_access_key
  @bucket = bucket
  @filename = filename

  AWS::S3::Base.establish_connection!(
    :access_key_id     => @access_key_id,
    :secret_access_key => @secret_access_key
  )

  @io = StringIO.new()
  @gzip_writer = Zlib::GzipWriter.new(@io)
end

Instance Attribute Details

#bucket ⇒ Object (readonly)

Returns the value of attribute bucket.



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# File 'lib/s3gzip/writer.rb', line 6

def bucket
  @bucket
end

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



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# File 'lib/s3gzip/writer.rb', line 7

def filename
  @filename
end

Class Method Details

.open(*args) ⇒ Object 



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# File 'lib/s3gzip/writer.rb', line 40

def self.open(*args)
  writer = new(*args)
  return writer unless block_given?
  yield writer
ensure
  writer.close_and_send if block_given?
end

.write(access_key_id, secret_access_key, bucket, filename, value) ⇒ Object 



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# File 'lib/s3gzip/writer.rb', line 48

def self.write(access_key_id, secret_access_key, bucket, filename, value)
  writer = new(access_key_id, secret_access_key, bucket, filename)
  writer.write(value)
  writer.close_and_send
end

Instance Method Details

#close_and_send ⇒ Object 



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# File 'lib/s3gzip/writer.rb', line 33

def close_and_send
  unless self.closed?
    @gzip_writer.close
    AWS::S3::S3Object.store(@filename, @io.string, @bucket)
  end
end

#closed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/s3gzip/writer.rb', line 25

def closed?
  not @gzip_writer.nil? and @gzip_writer.closed?
end

#write(*args) ⇒ Object 



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# File 'lib/s3gzip/writer.rb', line 29

def write(*args)
  @gzip_writer.write(*args)
end