diff options
Diffstat (limited to 'actionwebservice/lib/action_web_service/casting.rb')
| -rw-r--r-- | actionwebservice/lib/action_web_service/casting.rb | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/actionwebservice/lib/action_web_service/casting.rb b/actionwebservice/lib/action_web_service/casting.rb deleted file mode 100644 index 71f422eaea..0000000000 --- a/actionwebservice/lib/action_web_service/casting.rb +++ /dev/null @@ -1,138 +0,0 @@ -require 'time' -require 'date' -require 'xmlrpc/datetime' - -module ActionWebService # :nodoc: - module Casting # :nodoc: - class CastingError < ActionWebServiceError # :nodoc: - end - - # Performs casting of arbitrary values into the correct types for the signature - class BaseCaster # :nodoc: - def initialize(api_method) - @api_method = api_method - end - - # Coerces the parameters in +params+ (an Enumerable) into the types - # this method expects - def cast_expects(params) - self.class.cast_expects(@api_method, params) - end - - # Coerces the given +return_value+ into the type returned by this - # method - def cast_returns(return_value) - self.class.cast_returns(@api_method, return_value) - end - - class << self - include ActionWebService::SignatureTypes - - def cast_expects(api_method, params) # :nodoc: - return [] if api_method.expects.nil? - api_method.expects.zip(params).map{ |type, param| cast(param, type) } - end - - def cast_returns(api_method, return_value) # :nodoc: - return nil if api_method.returns.nil? - cast(return_value, api_method.returns[0]) - end - - def cast(value, signature_type) # :nodoc: - return value if signature_type.nil? # signature.length != params.length - return nil if value.nil? - # XMLRPC protocol doesn't support nil values. It uses false instead. - # It should never happen for SOAP. - if signature_type.structured? && value.equal?(false) - return nil - end - unless signature_type.array? || signature_type.structured? - return value if canonical_type(value.class) == signature_type.type - end - if signature_type.array? - unless value.respond_to?(:entries) && !value.is_a?(String) - raise CastingError, "Don't know how to cast #{value.class} into #{signature_type.type.inspect}" - end - value.entries.map do |entry| - cast(entry, signature_type.element_type) - end - elsif signature_type.structured? - cast_to_structured_type(value, signature_type) - elsif !signature_type.custom? - cast_base_type(value, signature_type) - end - end - - def cast_base_type(value, signature_type) # :nodoc: - # This is a work-around for the fact that XML-RPC special-cases DateTime values into its own DateTime type - # in order to support iso8601 dates. This doesn't work too well for us, so we'll convert it into a Time, - # with the caveat that we won't be able to handle pre-1970 dates that are sent to us. - # - # See http://dev.rubyonrails.com/ticket/2516 - value = value.to_time if value.is_a?(XMLRPC::DateTime) - - case signature_type.type - when :int - Integer(value) - when :string - value.to_s - when :base64 - if value.is_a?(ActionWebService::Base64) - value - else - ActionWebService::Base64.new(value.to_s) - end - when :bool - return false if value.nil? - return value if value == true || value == false - case value.to_s.downcase - when '1', 'true', 'y', 'yes' - true - when '0', 'false', 'n', 'no' - false - else - raise CastingError, "Don't know how to cast #{value.class} into Boolean" - end - when :float - Float(value) - when :decimal - BigDecimal(value.to_s) - when :time - value = "%s/%s/%s %s:%s:%s" % value.values_at(*%w[2 3 1 4 5 6]) if value.kind_of?(Hash) - value.kind_of?(Time) ? value : Time.parse(value.to_s) - when :date - value = "%s/%s/%s" % value.values_at(*%w[2 3 1]) if value.kind_of?(Hash) - value.kind_of?(Date) ? value : Date.parse(value.to_s) - when :datetime - value = "%s/%s/%s %s:%s:%s" % value.values_at(*%w[2 3 1 4 5 6]) if value.kind_of?(Hash) - value.kind_of?(DateTime) ? value : DateTime.parse(value.to_s) - end - end - - def cast_to_structured_type(value, signature_type) # :nodoc: - obj = nil - obj = value if canonical_type(value.class) == canonical_type(signature_type.type) - obj ||= signature_type.type_class.new - if value.respond_to?(:each_pair) - klass = signature_type.type_class - value.each_pair do |name, val| - type = klass.respond_to?(:member_type) ? klass.member_type(name) : nil - val = cast(val, type) if type - # See http://dev.rubyonrails.com/ticket/3567 - val = val.to_time if val.is_a?(XMLRPC::DateTime) - obj.__send__("#{name}=", val) if obj.respond_to?(name) - end - elsif value.respond_to?(:attributes) - signature_type.each_member do |name, type| - val = value.__send__(name) - obj.__send__("#{name}=", cast(val, type)) if obj.respond_to?(name) - end - else - raise CastingError, "Don't know how to cast #{value.class} to #{signature_type.type_class}" - end - obj - end - end - end - end -end |