Module: Wrest::Components::AttributesContainer::InstanceMethods

Defined in:
lib/wrest/components/attributes_container.rb

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_sym, *arguments) ⇒ Object

Creates getter, setter and query methods for attributes on the first call.



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# File 'lib/wrest/components/attributes_container.rb', line 157

def method_missing(method_sym, *arguments)
  method_name = method_sym.to_s
  attribute_name = method_name.gsub(/(\?$)|(=$)/, '')

  if @attributes.include?(attribute_name.to_sym) || method_name.last == '='
    case method_name.last
    when '='
      @interface.module_eval AttributesContainer.build_attribute_setter(attribute_name)
    when '?'
      @interface.module_eval AttributesContainer.build_attribute_queryer(attribute_name)
    else
      @interface.module_eval AttributesContainer.build_attribute_getter(attribute_name)
    end
    send(method_sym, *arguments)
  else
    super(method_sym, *arguments)
  end
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/wrest/components/attributes_container.rb', line 143

def [](key)
  @attributes[key.to_sym]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/wrest/components/attributes_container.rb', line 147

def []=(key, value)
  @attributes[key.to_sym] = value
end

#initialize(attributes = {}) ⇒ Object

Sets up any class to act like an attributes container by creating two variables, @attributes and @interface. Remember not to use these two variable names when using AttributesContainer in your own class.



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# File 'lib/wrest/components/attributes_container.rb', line 133

def initialize(attributes = {})
  @attributes = attributes.symbolize_keys
  self.class.typecast_map.each do |key, typecaster|
    value = @attributes[key]
    @attributes[key] = typecaster.call(value) if value.is_a?(String)
  end
  @interface = Module.new
  self.extend @interface
end

#respond_to?(method_name, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wrest/components/attributes_container.rb', line 151

def respond_to?(method_name, include_private = false)
  super(method_name, include_private) ? true : @attributes.include?(method_name.to_s.gsub(/(\?$)|(=$)/, '').to_sym)
end