Module: Representable::JSON::ClassMethods

Defined in:
lib/representable/json.rb

Instance Method Summary collapse

Instance Method Details

#from_json(data, options = {}) ⇒ Object

Creates a new Ruby object from XML using mapping information declared in the class.

Example:

book = Book.from_xml("<book><name>Beyond Java</name></book>")



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# File 'lib/representable/json.rb', line 26

def from_json(data, options={})
  # DISCUSS: extract #from_json call in Bindings to this place.
  data = ::JSON[data] if data.is_a?(String) # DISCUSS: #from_json sometimes receives a string (in nestings).
  data ||= {}
  
  data = data[representation_name.to_s] unless options[:wrap] == false
  
  create_from_json.tap do |inst|
    refs = representable_attrs.map {|attr| JSON.binding_for_definition(attr) }
    
    refs.each do |ref|
      value = ref.value_in(data)
      
      inst.send(ref.definition.setter, value)
    end
  end
end