Class: DataMapper::Property::Json

Inherits:
Text
  • Object
show all
Includes:
DirtyMinder
Defined in:
lib/dm-types/json.rb

Instance Method Summary collapse

Methods included from DirtyMinder

#set!

Instance Method Details

#dump(value) ⇒ Object



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# File 'lib/dm-types/json.rb', line 20

def dump(value)
  if value.nil? || value.is_a?(::String)
    value
  else
    MultiJson.dump(value)
  end
end

#load(value) ⇒ Object



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# File 'lib/dm-types/json.rb', line 10

def load(value)
  if value.nil? || value_loaded?(value)
    value
  elsif value.is_a?(::String)
    typecast(value)
  else
    raise ArgumentError.new("+value+ of a property of JSON type must be nil or a String")
  end
end

#typecast(value) ⇒ Object



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# File 'lib/dm-types/json.rb', line 28

def typecast(value)
  return if value.nil?

  if value_loaded?(value)
    value
  else
    MultiJson.load(value.to_s)
  end
end

#value_loaded?(value) ⇒ Boolean



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# File 'lib/dm-types/json.rb', line 38

def value_loaded?(value)
  value.kind_of?(::Array) || value.kind_of?(::Hash)
end