Class: Whoosh::Serialization::Msgpack

Inherits:
Object
  • Object
show all
Defined in:
lib/whoosh/serialization/msgpack.rb

Class Method Summary collapse

Class Method Details

.available? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/whoosh/serialization/msgpack.rb', line 8

def self.available?
  if @available.nil?
    @available = begin
      require "msgpack"
      true
    rescue LoadError
      false
    end
  end
  @available
end

.content_type ⇒ Object 



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# File 'lib/whoosh/serialization/msgpack.rb', line 20

def self.content_type
  "application/msgpack"
end

.decode(raw) ⇒ Object 



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# File 'lib/whoosh/serialization/msgpack.rb', line 29

def self.decode(raw)
  return nil if raw.nil? || raw.empty?
  ensure_available!
  MessagePack.unpack(raw)
end

.encode(data) ⇒ Object 



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# File 'lib/whoosh/serialization/msgpack.rb', line 24

def self.encode(data)
  ensure_available!
  MessagePack.pack(prepare(data))
end

.ensure_available! ⇒ Object

Raises:



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# File 'lib/whoosh/serialization/msgpack.rb', line 46

def self.ensure_available!
  raise Errors::DependencyError, "MessagePack requires the 'msgpack' gem" unless available?
end

.prepare(obj) ⇒ Object 



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# File 'lib/whoosh/serialization/msgpack.rb', line 35

def self.prepare(obj)
  case obj
  when Hash then obj.transform_keys(&:to_s).transform_values { |v| prepare(v) }
  when Array then obj.map { |v| prepare(v) }
  when Symbol then obj.to_s
  when Time, DateTime then obj.iso8601
  when BigDecimal then obj.to_s("F")
  else obj
  end
end