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Contents
# Copyright 2011 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
require 'aws/xml_grammar'
require 'aws/errors'
module AWS
# @private
module LazyErrorClasses
# @private
module ClassMethods
def const_missing(name)
base_error_grammar = self::BASE_ERROR_GRAMMAR
const_missing_mutex.synchronize do
return if const_defined?(name)
const_set(name,
Class.new(self::Base) do
include Errors::ModeledError
# so that MyService::Errors::Foo::Bar will work
const_set(:BASE_ERROR_GRAMMAR, base_error_grammar)
include LazyErrorClasses
end)
end
end
def error_class(code)
module_eval(code.gsub(".","::"))
end
def included(mod)
raise NotImplementedError.new("#{self} lazy-generates error classes; "+
"therefore it is not suitable for "+
"inclusion in other modules")
end
end
def self.included(mod)
unless mod.const_defined?(:BASE_ERROR_GRAMMAR)
mod.const_set(:BASE_ERROR_GRAMMAR, XmlGrammar)
end
mutex = Mutex.new
MetaUtils.extend_method(mod, :const_missing_mutex) { mutex }
mod.send(:include, Errors)
mod.extend(ClassMethods)
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems