require 'time'
require 'json'
require 'base64'
+require 'autoparse'
require 'addressable/uri'
require 'addressable/template'
require 'google/inflection'
require 'google/api_client/errors'
+
module Google
class APIClient
- class Schema
- def initialize(api, api_name, api_version, discovery_document)
- # This constructor is super-long, but hard to break up due to the
+ module Schema
+ def self.parse(api, schema_data)
+ # This method is super-long, but hard to break up due to the
# unavoidable dependence on closures and execution context.
- @api = api
- @discovery_document = discovery_document
- api_name_string =
- Google::INFLECTOR.camelize(api_name)
- api_version_string =
- Google::INFLECTOR.camelize(api_version).gsub('.', '_')
- @schema_name = @discovery_document['id']
- if Google::APIClient::Schema.const_defined?(api_name_string)
- @api_name = Google::APIClient::Schema.const_get(api_name_string)
- else
- @api_name = Google::APIClient::Schema.const_set(
- api_name_string, Class.new
- )
- end
- if @api_name.const_defined?(api_version_string)
- @api_version = @api_name.const_get(api_version_string)
- else
- @api_version = @api_name.const_set(api_version_string, Class.new)
- end
- if @api_version.const_defined?(@schema_name)
- @schema_class = @api_version.const_get(@schema_name)
- else
- schema = self
- @schema_class = @api_version.const_set(
- @schema_name,
- Class.new(APIObject) do |klass|
- discovery_document['properties'].each do |(k, v)|
- property_name = Google::INFLECTOR.underscore(k)
- define_method(:schema) { schema }
- define_method(property_name + '_property') do
- v
- end
- define_method(property_name + '_description') do
- v['description']
- end
- case v['type']
- when 'string'
- define_string_property(property_name, k, v)
- when 'boolean'
- define_boolean_property(property_name, k, v)
- when 'number'
- define_number_property(property_name, k, v)
- when 'object'
- define_object_property(property_name, k, v)
- else
- # Either type 'any' or we don't know what this is,
- # default to anything goes.
- define_any_property(property_name, k, v)
- end
- end
- end
- )
- end
- end
-
- def schema_name
- return @schema_name
- end
-
- def schema_class
- return @schema_class
- end
+ schema_name = schema_data['id']
- ##
- # 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 CLASS:%s>",
- self.class.to_s, self.object_id, self.schema_class.name
+ # Due to an oversight, schema IDs may not be URI references.
+ # TODO(bobaman): Remove this code once this has been resolved.
+ schema_uri = (
+ api.document_base +
+ (schema_name[0..0] != '#' ? '#' + schema_name : schema_name)
)
- end
- end
+ # puts schema_uri
- class APIObject
- def self.define_string_property(property_name, key, schema)
- define_method(property_name) do
- self[key] ||= schema['default']
- if schema['format'] == 'byte' && self[key] != nil
- Base64.decode64(self[key])
- elsif schema['format'] == 'date-time' && self[key] != nil
- Time.parse(self[key])
- elsif schema['format'] =~ /^u?int(32|64)$/ && self[key] != nil
- self[key].to_i
- else
- self[key]
- end
- end
- define_method(property_name + '=') do |value|
- if schema['format'] == 'byte'
- self[key] = Base64.encode64(value)
- elsif schema['format'] == 'date-time'
- if value.respond_to?(:to_str)
- value = Time.parse(value.to_str)
- elsif !value.respond_to?(:xmlschema)
- raise TypeError,
- "Could not obtain RFC 3339 timestamp from #{value.class}."
+ # Due to an oversight, schema IDs may not be URI references.
+ # TODO(bobaman): Remove this whole lambda once this has been resolved.
+ reformat_references = lambda do |data|
+ # This code is not particularly efficient due to recursive traversal
+ # and excess object creation, but this hopefully shouldn't be an
+ # issue since it should only be called only once per schema per
+ # process.
+ if data.kind_of?(Hash) && data['$ref']
+ reference = data['$ref']
+ reference = '#' + reference if reference[0..0] != '#'
+ data.merge({
+ '$ref' => reference
+ })
+ elsif data.kind_of?(Hash)
+ data.inject({}) do |accu, (key, value)|
+ if value.kind_of?(Hash)
+ accu[key] = reformat_references.call(value)
+ else
+ accu[key] = value
+ end
+ accu
end
- self[key] = value.xmlschema
- elsif schema['format'] =~ /^u?int(32|64)$/
- self[key] = value.to_s
- elsif value.respond_to?(:to_str)
- self[key] = value.to_str
- elsif value.kind_of?(Symbol)
- self[key] = value.to_s
else
- raise TypeError,
- "Expected String or Symbol, got #{value.class}."
+ data
end
end
- end
+ schema_data = reformat_references.call(schema_data)
+ # puts schema_data.inspect
- def self.define_boolean_property(property_name, key, schema)
- define_method(property_name) do
- self[key] ||= schema['default']
- case self[key].to_s.downcase
- when 'true', 'yes', 'y', 'on', '1'
- true
- when 'false', 'no', 'n', 'off', '0'
- false
- when 'nil', 'null'
- nil
+ if schema_name
+ api_name_string =
+ Google::INFLECTOR.camelize(api.name)
+ api_version_string =
+ Google::INFLECTOR.camelize(api.version).gsub('.', '_')
+ if Google::APIClient::Schema.const_defined?(api_name_string)
+ api_name = Google::APIClient::Schema.const_get(api_name_string)
else
- raise TypeError,
- "Expected boolean, got #{self[key].class}."
+ api_name = Google::APIClient::Schema.const_set(
+ api_name_string, Module.new
+ )
end
- end
- define_method(property_name + '=') do |value|
- case value.to_s.downcase
- when 'true', 'yes', 'y', 'on', '1'
- self[key] = true
- when 'false', 'no', 'n', 'off', '0'
- self[key] = false
- when 'nil', 'null'
- self[key] = nil
+ if api_name.const_defined?(api_version_string)
+ api_version = api_name.const_get(api_version_string)
else
- raise TypeError, "Expected boolean, got #{value.class}."
+ api_version = api_name.const_set(api_version_string, Module.new)
end
- end
- end
-
- def self.define_number_property(property_name, key, schema)
- define_method(property_name) do
- self[key] ||= schema['default']
- if self[key] != nil && !self[key].respond_to?(:to_f)
- raise TypeError,
- "Expected Float, got #{self[key].class}."
- elsif self[key] != nil && self[key].respond_to?(:to_f)
- self[key].to_f
- else
- self[key]
- end
- end
- define_method(property_name + '=') do |value|
- if value == nil
- self[key] = value
- else
- case schema['format']
- when 'double', 'float'
- if value.respond_to?(:to_f)
- self[key] = value.to_f
- else
- raise TypeError,
- "Expected String or Symbol, got #{value.class}."
- end
- else
- raise TypeError,
- "Unexpected type format for number: #{schema['format']}."
- end
+ if api_version.const_defined?(schema_name)
+ schema_class = api_version.const_get(schema_name)
end
end
- end
- def self.define_object_property(property_name, key, schema)
- # TODO(bobaman):
- # Do we treat this differently from any?
- self.define_any_property(property_name, key, schema)
- end
-
- def self.define_any_property(property_name, key, schema)
- define_method(property_name) do
- self[k] || v['default']
- end
- define_method(property_name + '=') do |value|
- self[k] = value
+ # It's possible the schema has already been defined. If so, don't
+ # redefine it. This means that reloading a schema which has already
+ # been loaded into memory is not possible.
+ unless schema_class
+ schema_class = AutoParse.generate(schema_data, :uri => schema_uri)
+ if schema_name
+ api_version.const_set(schema_name, schema_class)
+ end
end
- end
-
- def initialize(data)
- @data = data
- end
-
- def [](key)
- return @data[key]
- end
-
- def []=(key, value)
- return @data[key] = value
+ return schema_class
end
end
end
projects / arvados.git / blobdiff