Method: CloudFiles::StorageObject#data_stream

Defined in:
lib/cloudfiles/storage_object.rb

#data_stream(size = -1,, offset = 0, headers = {}, &block) ⇒ Object

Retrieves the data from an object and returns a stream that must be passed to a block. Throws a NoSuchObjectException if the object doesn’t exist.

If the optional size and range arguments are provided, the call will return the number of bytes provided by size, starting from the offset provided in offset.

data = ""
object.data_stream do |chunk|
  data += chunk
end

data
=> "This is the text stored in the file"



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# File 'lib/cloudfiles/storage_object.rb', line 119

def data_stream(size = -1, offset = 0, headers = {}, &block)
  if size.to_i > 0
    range = sprintf("bytes=%d-%d", offset.to_i, (offset.to_i + size.to_i) - 1)
    headers['Range'] = range
  end
  begin
    SwiftClient.get_object(self.container.connection.storageurl, self.container.connection.authtoken, self.container.escaped_name, (CloudFiles.escape self.name), nil, nil, &block)
  end
end