Module: SelectiveAttributeProxy
- Included in:
- AWS::S3::ACL::Grant, AWS::S3::ACL::Grantee, AWS::S3::ACL::Policy, AWS::S3::Logging::Status, AWS::S3::Owner, AWS::S3::S3Object
- Defined in:
- lib/aws/s3/extensions.rb
Defined Under Namespace
Modules: ClassMethods
Class Method Summary collapse
Class Method Details
.included(klass) ⇒ Object
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# File 'lib/aws/s3/extensions.rb', line 171 def self.included(klass) klass.extend(ClassMethods) klass.class_eval(<<-EVAL, __FILE__, __LINE__) cattr_accessor :attribute_proxy cattr_accessor :attribute_proxy_options # Default name for attribute storage self.attribute_proxy = :attributes self.attribute_proxy_options = {:exclusively => true} private # By default proxy all attributes def proxiable_attribute?(name) return true unless self.class.attribute_proxy_options[:exclusively] send(self.class.attribute_proxy).has_key?(name) end def method_missing(method, *args, &block) # Autovivify attribute storage if method == self.class.attribute_proxy ivar = "@\#{method}" instance_variable_set(ivar, {}) unless instance_variable_get(ivar).is_a?(Hash) instance_variable_get(ivar) # Delegate to attribute storage elsif method.to_s =~ /^(\\w+)(=?)$/ && proxiable_attribute?($1) attributes_hash_name = self.class.attribute_proxy $2.empty? ? send(attributes_hash_name)[$1] : send(attributes_hash_name)[$1] = args.first else super end end EVAL end |