Class: Codestrap::Strap::Factory

Inherits:
Object
  • Object
show all
Includes:
Mixin::Exceptions::Factory
Defined in:
lib/codestrap/strap/factory.rb

Overview

Factory for instantiating classes from the Codestrap::Strap namespace

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(nklass) ⇒ Codestrap::Stub::Factory

Factory constructor for Codestrap::Template::* Classes

Parameters:

  • nklass (Class, Symbol, String) 


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# File 'lib/codestrap/strap/factory.rb', line 15

def initialize(nklass)
  self.klass = nklass
  enforce_methods
  ensure_required
end

Instance Attribute Details

#klass ⇒ Object (readonly)

Returns the value of attribute klass.



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# File 'lib/codestrap/strap/factory.rb', line 9

def klass
  @klass
end

Instance Method Details

#construct(*args) ⇒ Object

Constructor for Codestrap::Strap::* Classes

Parameters:

  • args (Array) —

    Arguments to pass to constructor of child object

Returns:

  • (Object) —

    Return the object as specified Factory#klass.new(args)



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# File 'lib/codestrap/strap/factory.rb', line 27

def construct(*args)
  self.klass.new(args)
end

#enforce_methods ⇒ TrueClass, FalseClass

Ensure self.klass has the following methods

klass.pre klass.execute

Inherited from Codestrap::Template::Factory klass.file klass.finalize

Returns:

  • (TrueClass, FalseClass)

Raises:



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# File 'lib/codestrap/strap/factory.rb', line 67

def enforce_methods
  [:pre, :execute, :overwrite, :overwrite=, :working_dir, :to_disk].each do |method|
    next if @klass.method_defined? method
    raise FactoryException, "Error missing method #{@klass.to_s}##{method}"
  end
end

#ensure_required ⇒ Object

Ensures any methods aliased to abstract_method are overridden

Raises:

  • (FactoryAbstractMethod) —

    Raised if a abstract method (A method aliased to abstract_method), is not created in the child



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# File 'lib/codestrap/strap/factory.rb', line 77

def ensure_required
  if @klass.abstract_methods.length > 0
    methods = @klass.abstract_methods.map{ |method| "#{@klass.to_s}##{method}" }
    raise FactoryException, "Abstract Method(s) #{methods.join(', ')} not overridden"
  end
end

#to_class(nklass) ⇒ Codestrap::Stub::KLASS Also known as: klass=

Dynamic Class creation. Looks for Classes in Codestrap::Strap::NKLASS

Parameters:

  • nklass (String|Symbol) —

    Look for Codestrap::Template::nklass

Returns:

  • (Codestrap::Stub::KLASS) —

    Return class Codestrap::Template::KLASS

Raises:



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# File 'lib/codestrap/strap/factory.rb', line 40

def to_class nklass
  case
    when nklass.is_a?(Symbol)
      klass = nklass.to_s
    when nklass.is_a?(String)
      klass = nklass
    else
      raise ArgumentError, %Q(Could not find Class Codestrap::Strap::#{nklass.to_s})
  end
  @klass = ['Codestrap', 'Strap', klass].reduce(Module, :const_get)
  @klass
end