Module: Expressr::Utils

Defined in:
lib/expressr/utils.rb

Class Method Summary collapse

Class Method Details

.constantize(camel_cased_word) ⇒ Object

From ActiveSupport



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# File 'lib/expressr/utils.rb', line 4

def constantize(camel_cased_word)
  names = camel_cased_word.split('::')

  # Trigger a builtin NameError exception including the ill-formed constant in the message.
  Object.const_get(camel_cased_word) if names.empty?

  # Remove the first blank element in case of '::ClassName' notation.
  names.shift if names.size > 1 && names.first.empty?

  names.inject(Object) do |constant, name|
    if constant == Object
      constant.const_get(name)
    else
      candidate = constant.const_get(name)
      next candidate if constant.const_defined?(name, false)
      next candidate unless Object.const_defined?(name)

      # Go down the ancestors to check it it's owned
      # directly before we reach Object or the end of ancestors.
      constant = constant.ancestors.inject do |const, ancestor|
        break const    if ancestor == Object
        break ancestor if ancestor.const_defined?(name, false)
        const
      end

      # owner is in Object, so raise
      constant.const_get(name, false)
    end
  end
end

.standardize_content_type(content_type) ⇒ Object 



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# File 'lib/expressr/utils.rb', line 36

def standardize_content_type(content_type)
  canonicalized_types = {
    'text' => 'text/plain',
    'html' => 'text/html',
    'json' => 'application/json'
  }
  canonicalized_types[content_type] || content_type
end