google-api-ruby-client/lib/google/api_client/service/stub_generator.rb

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# Copyright 2013 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License 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.
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require 'active_support/inflector'
module Google
class APIClient
class Service
##
# Auxiliary mixin to generate resource and method stubs.
# Used by the Service and Service::Resource classes to generate both
# top-level and nested resources and methods.
module StubGenerator
def generate_call_stubs(service, root)
metaclass = (class << self; self; end)
# Handle resources.
root.discovered_resources.each do |resource|
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method_name = ActiveSupport::Inflector.underscore(resource.name).to_sym
if !self.respond_to?(method_name)
metaclass.send(:define_method, method_name) do
Google::APIClient::Service::Resource.new(service, resource)
end
end
end
# Handle methods.
root.discovered_methods.each do |method|
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method_name = ActiveSupport::Inflector.underscore(method.name).to_sym
if !self.respond_to?(method_name)
metaclass.send(:define_method, method_name) do |*args|
if args.length > 1
raise ArgumentError,
"wrong number of arguments (#{args.length} for 1)"
elsif !args.first.respond_to?(:to_hash) && !args.first.nil?
raise ArgumentError,
"expected parameter Hash, got #{args.first.class}"
else
return Google::APIClient::Service::Request.new(
service, method, args.first
)
end
end
end
end
end
end
end
end
end