Class: Etna::Cwl::MapLoader

Inherits:
Loader
  • Object
show all
Defined in:
lib/etna/cwl.rb

Instance Method Summary collapse

Methods inherited from Loader

#as_array, #as_mapped_array, #map, #optional, #or

Constructor Details

#initialize(items, idKey = nil, valueKey = nil) ⇒ MapLoader

Returns a new instance of MapLoader.



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# File 'lib/etna/cwl.rb', line 162

def initialize(items, idKey = nil, valueKey = nil)
  @items = items
  @idKey = idKey
  @valueKey = valueKey
end

Instance Method Details

#load(val) ⇒ Object 



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# File 'lib/etna/cwl.rb', line 168

def load(val)
  if val.is_a?(Hash)
    val = [].tap do |result|
      errors = {}
      val.keys.sort.each do |k|
        begin
          v = val[k]
          if v.is_a?(Hash)
            v[@idKey] = k
          else
            v = {@idKey => k, @valueKey => v}
          end

          result << v
        rescue => e
          errors[k] = e.to_s
        end
      end

      unless errors.empty?
        raise errors.map { |k, v| "#{k}: #{v}" }.join("\n")
      end
    end
  end

  @items.load(val)
end