Class: Gitlab::Json::LimitedEncoder

Inherits:

Object

• Object
• Gitlab::Json::LimitedEncoder

Defined in:

lib/gitlab/json.rb

Constant Summary

LimitExceeded =

Class.new(StandardError)

Class Method Summary

• .encode(object, limit: 25.megabytes) ⇒ String

  Generates JSON for an object or raise an error if the resulting json string is too big.

Class Method Details

.encode(object, limit: 25.megabytes) ⇒ String

Generates JSON for an object or raise an error if the resulting json string is too big

Parameters:

• object (Hash, Array, Object) —

  must be hash, array, or an object that responds to .to_h or .to_json

• limit (Integer) (defaults to: 25.megabytes) —

  max size of the resulting json string

Returns:

• (String)

Raises:

• (LimitExceeded) —

  if the resulting json string is bigger than the specified limit

# File 'lib/gitlab/json.rb', line 243

def self.encode(object, limit: 25.megabytes)
  buffer = StringIO.new
  buffer_size = 0

  ::Yajl::Encoder.encode(object) do |data_chunk|
    chunk_size = data_chunk.bytesize

    raise LimitExceeded if buffer_size + chunk_size > limit

    buffer << data_chunk
    buffer_size += chunk_size
  end

  buffer.string
end