Class: ConfigMapper::AttributeSink

Inherits:
Object
  • Object
show all
Defined in:
lib/config_mapper/attribute_sink.rb

Overview

Sets attributes on an object, collecting errors

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(target, errors = {}) ⇒ AttributeSink

Returns a new instance of AttributeSink.



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# File 'lib/config_mapper/attribute_sink.rb', line 10

def initialize(target, errors = {})
  @target = ObjectAsHash[target]
  @errors = errors
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/config_mapper/attribute_sink.rb', line 16

def errors
  @errors
end

#target ⇒ Object (readonly)

Returns the value of attribute target.



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# File 'lib/config_mapper/attribute_sink.rb', line 15

def target
  @target
end

Instance Method Details

#set_attribute(key, value) ⇒ Object

Set a single attribute.



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# File 'lib/config_mapper/attribute_sink.rb', line 28

def set_attribute(key, value)
  if value.is_a?(Hash) && !target[key].nil?
    nested_errors = ErrorProxy.new(errors, [key])
    nested_mapper = self.class.new(target[key], nested_errors)
    nested_mapper.set_attributes(value)
  else
    target[key] = value
  end
rescue NoMethodError, ArgumentError => e
  errors[[key]] = e
end

#set_attributes(data) ⇒ Object

Set multiple attributes from a Hash.



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# File 'lib/config_mapper/attribute_sink.rb', line 20

def set_attributes(data)
  data.each do |key, value|
    set_attribute(key, value)
  end
end