X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/286a7152f2984ca4704b4174a4c6cadca793c28e..f736ac4d9735600af24d8b71dd7b1fa40b4b055e:/lib/google/api_client/discovery.rb

diff --git a/lib/google/api_client/discovery.rb b/lib/google/api_client/discovery.rb
index 88a0a6ef82..bb01d67ce7 100644
--- a/lib/google/api_client/discovery.rb
+++ b/lib/google/api_client/discovery.rb
@@ -13,565 +13,7 @@
 # limitations under the License.
 
 
-require 'json'
-require 'addressable/uri'
-require 'addressable/template'
-
-require 'google/inflection'
-require 'google/api_client/errors'
-
-module Google
-  class APIClient
-    ##
-    # A service that has been described by a discovery document.
-    class API
-
-      ##
-      # Creates a description of a particular version of a service.
-      #
-      # @param [String] api
-      #   The identifier for the service.  Note that while this frequently
-      #   matches the first segment of all of the service's RPC names, this
-      #   should not be assumed.  There is no requirement that these match.
-      # @param [String] version
-      #   The identifier for the service version.
-      # @param [Hash] api_description
-      #   The section of the discovery document that applies to this service
-      #   version.
-      #
-      # @return [Google::APIClient::API] The constructed service object.
-      def initialize(document_base, discovery_document)
-        @document_base = Addressable::URI.parse(document_base)
-        @discovery_document = discovery_document
-        metaclass = (class <<self; self; end)
-        self.resources.each do |resource|
-          method_name = Google::INFLECTOR.underscore(resource.name).to_sym
-          if !self.respond_to?(method_name)
-            metaclass.send(:define_method, method_name) { resource }
-          end
-        end
-        self.methods.each do |method|
-          method_name = Google::INFLECTOR.underscore(method.name).to_sym
-          if !self.respond_to?(method_name)
-            metaclass.send(:define_method, method_name) { method }
-          end
-        end
-      end
-
-      ##
-      # Returns the id of the service.
-      #
-      # @return [String] The service id.
-      def id
-        return @discovery_document['id']
-      end
-
-      ##
-      # Returns the identifier for the service.
-      #
-      # @return [String] The service identifier.
-      def name
-        return @discovery_document['name']
-      end
-
-      ##
-      # Returns the version of the service.
-      #
-      # @return [String] The service version.
-      def version
-        return @discovery_document['version']
-      end
-
-      ##
-      # Returns the parsed section of the discovery document that applies to
-      # this version of the service.
-      #
-      # @return [Hash] The service description.
-      def description
-        return @discovery_document['description']
-      end
-
-      ##
-      # Returns true if this is the preferred version of this API.
-      #
-      # @return [TrueClass, FalseClass]
-      #   Whether or not this is the preferred version of this API.
-      def preferred
-        return @discovery_document['preferred']
-      end
-
-      ##
-      # Returns the base URI for this version of the service.
-      #
-      # @return [Addressable::URI] The base URI that methods are joined to.
-      attr_reader :document_base
-
-      ##
-      # Returns the base URI for this version of the service.
-      #
-      # @return [Addressable::URI] The base URI that methods are joined to.
-      def rest_base
-        if @discovery_document['restBasePath']
-          return @rest_base ||= (
-            self.document_base +
-            Addressable::URI.parse(@discovery_document['restBasePath'])
-          ).normalize
-        else
-          return nil
-        end
-      end
-
-      ##
-      # Updates the hierarchy of resources and methods with the new base.
-      #
-      # @param [Addressable::URI, #to_str, String] new_base
-      #   The new base URI to use for the service.
-      def rest_base=(new_rest_base)
-        @rest_base = Addressable::URI.parse(new_rest_base)
-        self.resources.each do |resource|
-          resource.rest_base = @rest_base
-        end
-        self.methods.each do |method|
-          method.rest_base = @rest_base
-        end
-      end
-
-      ##
-      # A list of resources available at the root level of this version of the
-      # service.
-      #
-      # @return [Array] A list of {Google::APIClient::Resource} objects.
-      def resources
-        return @resources ||= (
-          (@discovery_document['resources'] || []).inject([]) do |accu, (k, v)|
-            accu << ::Google::APIClient::Resource.new(self.rest_base, k, v)
-            accu
-          end
-        )
-      end
-
-      ##
-      # A list of methods available at the root level of this version of the
-      # service.
-      #
-      # @return [Array] A list of {Google::APIClient::Method} objects.
-      def methods
-        return @methods ||= (
-          (@discovery_document['methods'] || []).inject([]) do |accu, (k, v)|
-            accu << ::Google::APIClient::Method.new(self.rest_base, k, v)
-            accu
-          end
-        )
-      end
-
-      ##
-      # Converts the service to a flat mapping of RPC names and method objects.
-      #
-      # @return [Hash] All methods available on the service.
-      #
-      # @example
-      #   # Discover available methods
-      #   method_names = client.discovered_api('buzz').to_h.keys
-      def to_h
-        return @hash ||= (begin
-          methods_hash = {}
-          self.methods.each do |method|
-            methods_hash[method.rpc_method] = method
-          end
-          self.resources.each do |resource|
-            methods_hash.merge!(resource.to_h)
-          end
-          methods_hash
-        end)
-      end
-
-      ##
-      # Returns a <code>String</code> representation of the service's state.
-      #
-      # @return [String] The service's state, as a <code>String</code>.
-      def inspect
-        sprintf(
-          "#<%s:%#0x NAME:%s>", self.class.to_s, self.object_id, self.name
-        )
-      end
-    end
-
-    ##
-    # A resource that has been described by a discovery document.
-    class Resource
-
-      ##
-      # Creates a description of a particular version of a resource.
-      #
-      # @param [Addressable::URI] base
-      #   The base URI for the service.
-      # @param [String] resource_name
-      #   The identifier for the resource.
-      # @param [Hash] resource_description
-      #   The section of the discovery document that applies to this resource.
-      #
-      # @return [Google::APIClient::Resource] The constructed resource object.
-      def initialize(rest_base, resource_name, discovery_document)
-        @rest_base = rest_base
-        @name = resource_name
-        @discovery_document = discovery_document
-        metaclass = (class <<self; self; end)
-        self.resources.each do |resource|
-          method_name = Google::INFLECTOR.underscore(resource.name).to_sym
-          if !self.respond_to?(method_name)
-            metaclass.send(:define_method, method_name) { resource }
-          end
-        end
-        self.methods.each do |method|
-          method_name = Google::INFLECTOR.underscore(method.name).to_sym
-          if !self.respond_to?(method_name)
-            metaclass.send(:define_method, method_name) { method }
-          end
-        end
-      end
-
-      ##
-      # Returns the identifier for the resource.
-      #
-      # @return [String] The resource identifier.
-      attr_reader :name
-
-      ##
-      # Returns the parsed section of the discovery document that applies to
-      # this resource.
-      #
-      # @return [Hash] The resource description.
-      attr_reader :description
-
-      ##
-      # Returns the base URI for this resource.
-      #
-      # @return [Addressable::URI] The base URI that methods are joined to.
-      attr_reader :rest_base
-
-      ##
-      # Updates the hierarchy of resources and methods with the new base.
-      #
-      # @param [Addressable::URI, #to_str, String] new_base
-      #   The new base URI to use for the resource.
-      def rest_base=(new_rest_base)
-        @rest_base = Addressable::URI.parse(new_rest_base)
-        self.resources.each do |resource|
-          resource.rest_base = @rest_base
-        end
-        self.methods.each do |method|
-          method.rest_base = @rest_base
-        end
-      end
-
-      ##
-      # A list of sub-resources available on this resource.
-      #
-      # @return [Array] A list of {Google::APIClient::Resource} objects.
-      def resources
-        return @resources ||= (
-          (@discovery_document['resources'] || []).inject([]) do |accu, (k, v)|
-            accu << ::Google::APIClient::Resource.new(self.rest_base, k, v)
-            accu
-          end
-        )
-      end
-
-      ##
-      # A list of methods available on this resource.
-      #
-      # @return [Array] A list of {Google::APIClient::Method} objects.
-      def methods
-        return @methods ||= (
-          (@discovery_document['methods'] || []).inject([]) do |accu, (k, v)|
-            accu << ::Google::APIClient::Method.new(self.rest_base, k, v)
-            accu
-          end
-        )
-      end
-
-      ##
-      # Converts the resource to a flat mapping of RPC names and method
-      # objects.
-      #
-      # @return [Hash] All methods available on the resource.
-      def to_h
-        return @hash ||= (begin
-          methods_hash = {}
-          self.methods.each do |method|
-            methods_hash[method.rpc_method] = method
-          end
-          self.resources.each do |resource|
-            methods_hash.merge!(resource.to_h)
-          end
-          methods_hash
-        end)
-      end
-
-      ##
-      # Returns a <code>String</code> representation of the resource's state.
-      #
-      # @return [String] The resource's state, as a <code>String</code>.
-      def inspect
-        sprintf(
-          "#<%s:%#0x NAME:%s>", self.class.to_s, self.object_id, self.name
-        )
-      end
-    end
-
-    ##
-    # A method that has been described by a discovery document.
-    class Method
-
-      ##
-      # Creates a description of a particular method.
-      #
-      # @param [Addressable::URI] rest_base
-      #   The base URI for the service.
-      # @param [String] method_name
-      #   The identifier for the method.
-      # @param [Hash] method_description
-      #   The section of the discovery document that applies to this method.
-      #
-      # @return [Google::APIClient::Method] The constructed method object.
-      def initialize(rest_base, method_name, discovery_document)
-        @rest_base = rest_base
-        @name = method_name
-        @discovery_document = discovery_document
-      end
-
-      ##
-      # Returns the identifier for the method.
-      #
-      # @return [String] The method identifier.
-      attr_reader :name
-
-      ##
-      # Returns the parsed section of the discovery document that applies to
-      # this method.
-      #
-      # @return [Hash] The method description.
-      attr_reader :description
-
-      ##
-      # Returns the base URI for the method.
-      #
-      # @return [Addressable::URI]
-      #   The base URI that this method will be joined to.
-      attr_reader :rest_base
-
-      ##
-      # Updates the method with the new base.
-      #
-      # @param [Addressable::URI, #to_str, String] new_base
-      #   The new base URI to use for the method.
-      def rest_base=(new_rest_base)
-        @rest_base = Addressable::URI.parse(new_rest_base)
-        @uri_template = nil
-      end
-
-      ##
-      # Returns the RPC name for the method.
-      #
-      # @return [String] The RPC name.
-      def rpc_method
-        return @discovery_document['rpcMethod']
-      end
-
-      ##
-      # Returns the URI template for the method.  A parameter list can be
-      # used to expand this into a URI.
-      #
-      # @return [Addressable::Template] The URI template.
-      def uri_template
-        # TODO(bobaman) We shouldn't be calling #to_s here, this should be
-        # a join operation on a URI, but we have to treat these as Strings
-        # because of the way the discovery document provides the URIs.
-        # This should be fixed soon.
-        return @uri_template ||= Addressable::Template.new(
-          self.rest_base + @discovery_document['restPath']
-        )
-      end
-
-      ##
-      # Normalizes parameters, converting to the appropriate types.
-      #
-      # @param [Hash, Array] parameters
-      #   The parameters to normalize.
-      #
-      # @return [Hash] The normalized parameters.
-      def normalize_parameters(parameters={})
-        # Convert keys to Strings when appropriate
-        if parameters.kind_of?(Hash) || parameters.kind_of?(Array)
-          # Is a Hash or an Array a better return type?  Do we ever need to
-          # worry about the same parameter being sent twice with different
-          # values?
-          parameters = parameters.inject({}) do |accu, (k, v)|
-            k = k.to_s if k.kind_of?(Symbol)
-            k = k.to_str if k.respond_to?(:to_str)
-            unless k.kind_of?(String)
-              raise TypeError, "Expected String, got #{k.class}."
-            end
-            accu[k] = v
-            accu
-          end
-        else
-          raise TypeError,
-            "Expected Hash or Array, got #{parameters.class}."
-        end
-        return parameters
-      end
-
-      ##
-      # Expands the method's URI template using a parameter list.
-      #
-      # @param [Hash, Array] parameters
-      #   The parameter list to use.
-      #
-      # @return [Addressable::URI] The URI after expansion.
-      def generate_uri(parameters={})
-        parameters = self.normalize_parameters(parameters)
-        self.validate_parameters(parameters)
-        template_variables = self.uri_template.variables
-        uri = self.uri_template.expand(parameters)
-        query_parameters = parameters.reject do |k, v|
-          template_variables.include?(k)
-        end
-        if query_parameters.size > 0
-          uri.query_values = (uri.query_values || {}).merge(query_parameters)
-        end
-        # Normalization is necessary because of undesirable percent-escaping
-        # during URI template expansion
-        return uri.normalize
-      end
-
-      ##
-      # Generates an HTTP request for this method.
-      #
-      # @param [Hash, Array] parameters
-      #   The parameters to send.
-      # @param [String, StringIO] body The body for the HTTP request.
-      # @param [Hash, Array] headers The HTTP headers for the request.
-      #
-      # @return [Array] The generated HTTP request.
-      def generate_request(parameters={}, body='', headers=[])
-        if body.respond_to?(:string)
-          body = body.string
-        elsif body.respond_to?(:to_str)
-          body = body.to_str
-        else
-          raise TypeError, "Expected String or StringIO, got #{body.class}."
-        end
-        if !headers.kind_of?(Array) && !headers.kind_of?(Hash)
-          raise TypeError, "Expected Hash or Array, got #{headers.class}."
-        end
-        method = @discovery_document['httpMethod'] || 'GET'
-        uri = self.generate_uri(parameters)
-        headers = headers.to_a if headers.kind_of?(Hash)
-        return [method, uri.to_str, headers, [body]]
-      end
-
-      ##
-      # Returns a <code>Hash</code> of the parameter descriptions for
-      # this method.
-      #
-      # @return [Hash] The parameter descriptions.
-      def parameter_descriptions
-        @parameter_descriptions ||= (
-          @discovery_document['parameters'] || {}
-        ).inject({}) { |h,(k,v)| h[k]=v; h }
-      end
-
-      ##
-      # Returns an <code>Array</code> of the parameters for this method.
-      #
-      # @return [Array] The parameters.
-      def parameters
-        @parameters ||= ((
-          @discovery_document['parameters'] || {}
-        ).inject({}) { |h,(k,v)| h[k]=v; h }).keys
-      end
-
-      ##
-      # Returns an <code>Array</code> of the required parameters for this
-      # method.
-      #
-      # @return [Array] The required parameters.
-      #
-      # @example
-      #   # A list of all required parameters.
-      #   method.required_parameters
-      def required_parameters
-        @required_parameters ||= ((self.parameter_descriptions.select do |k, v|
-          v['required']
-        end).inject({}) { |h,(k,v)| h[k]=v; h }).keys
-      end
-
-      ##
-      # Returns an <code>Array</code> of the optional parameters for this
-      # method.
-      #
-      # @return [Array] The optional parameters.
-      #
-      # @example
-      #   # A list of all optional parameters.
-      #   method.optional_parameters
-      def optional_parameters
-        @optional_parameters ||= ((self.parameter_descriptions.reject do |k, v|
-          v['required']
-        end).inject({}) { |h,(k,v)| h[k]=v; h }).keys
-      end
-
-      ##
-      # Verifies that the parameters are valid for this method.  Raises an
-      # exception if validation fails.
-      #
-      # @param [Hash, Array] parameters
-      #   The parameters to verify.
-      #
-      # @return [NilClass] <code>nil</code> if validation passes.
-      def validate_parameters(parameters={})
-        parameters = self.normalize_parameters(parameters)
-        required_variables = ((self.parameter_descriptions.select do |k, v|
-          v['required']
-        end).inject({}) { |h,(k,v)| h[k]=v; h }).keys
-        missing_variables = required_variables - parameters.keys
-        if missing_variables.size > 0
-          raise ArgumentError,
-            "Missing required parameters: #{missing_variables.join(', ')}."
-        end
-        parameters.each do |k, v|
-          if self.parameter_descriptions[k]
-            enum = self.parameter_descriptions[k]['enum']
-            if enum && !enum.include?(v)
-              raise ArgumentError,
-                "Parameter '#{k}' has an invalid value: #{v}. " +
-                "Must be one of #{enum.inspect}."
-            end
-            pattern = self.parameter_descriptions[k]['pattern']
-            if pattern
-              regexp = Regexp.new("^#{pattern}$")
-              if v !~ regexp
-                raise ArgumentError,
-                  "Parameter '#{k}' has an invalid value: #{v}. " +
-                  "Must match: /^#{pattern}$/."
-              end
-            end
-          end
-        end
-        return nil
-      end
-
-      ##
-      # Returns a <code>String</code> representation of the method's state.
-      #
-      # @return [String] The method's state, as a <code>String</code>.
-      def inspect
-        sprintf(
-          "#<%s:%#0x NAME:%s>",
-          self.class.to_s, self.object_id, self.rpc_method
-        )
-      end
-    end
-  end
-end
+require 'google/api_client/discovery/api'
+require 'google/api_client/discovery/resource'
+require 'google/api_client/discovery/method'
+require 'google/api_client/discovery/schema'