Class: Paperclip::AdapterRegistry

Inherits:

Object

• Object
• Paperclip::AdapterRegistry

show all

Defined in:

lib/paperclip/io_adapters/registry.rb

Defined Under Namespace

Classes: NoHandlerError

Instance Attribute Summary (collapse)

• - (Object) registered_handlers readonly

  Returns the value of attribute registered_handlers.

Instance Method Summary (collapse)

• - (Object) for(target)
• - (Object) handler_for(target)
• - (AdapterRegistry) initialize constructor

  A new instance of AdapterRegistry.

• - (Object) register(handler_class, &block)
• - (Boolean) registered?(target)

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# File 'lib/paperclip/io_adapters/registry.rb', line 7

def initialize
  @registered_handlers = []
end

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# File 'lib/paperclip/io_adapters/registry.rb', line 5

def registered_handlers
  @registered_handlers
end

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# File 'lib/paperclip/io_adapters/registry.rb', line 28

def for(target)
  handler_for(target).new(target)
end

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# File 'lib/paperclip/io_adapters/registry.rb', line 15

def handler_for(target)
  @registered_handlers.each do |tester, handler|
    return handler if tester.call(target)
  end
  raise NoHandlerError.new("No handler found for #{target.inspect}")
end

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# File 'lib/paperclip/io_adapters/registry.rb', line 11

def register(handler_class, &block)
  @registered_handlers << [block, handler_class]
end

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# File 'lib/paperclip/io_adapters/registry.rb', line 22

def registered?(target)
  @registered_handlers.any? do |tester, handler|
    handler === target
  end
end