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require 'soap/mapping'
module ActionWebService
module Protocol
module Soap
# Workaround for SOAP4R return values changing
class Registry < SOAP::Mapping::Registry
if SOAP::Version >= "1.5.4"
def find_mapped_soap_class(obj_class)
return @map.instance_eval { @obj2soap[obj_class][0] }
end
def find_mapped_obj_class(soap_class)
return @map.instance_eval { @soap2obj[soap_class][0] }
end
end
end
class SoapMarshaler
attr :namespace
attr :registry
def initialize(namespace=nil)
@namespace = namespace || 'urn:ActionWebService'
@registry = Registry.new
@type2binding = {}
register_static_factories
end
def soap_to_ruby(obj)
SOAP::Mapping.soap2obj(obj, @registry)
end
def ruby_to_soap(obj)
soap = SOAP::Mapping.obj2soap(obj, @registry)
soap.elename = XSD::QName.new if SOAP::Version >= "1.5.5" && soap.elename == XSD::QName::EMPTY
soap
end
def register_type(type)
return @type2binding[type] if @type2binding.has_key?(type)
if type.array?
array_mapping = @registry.find_mapped_soap_class(Array)
qname = XSD::QName.new(@namespace, soap_type_name(type.element_type.type_class.name) + 'Array')
element_type_binding = register_type(type.element_type)
@type2binding[type] = SoapBinding.new(self, qname, type, array_mapping, element_type_binding)
elsif (mapping = @registry.find_mapped_soap_class(type.type_class) rescue nil)
qname = mapping[2] ? mapping[2][:type] : nil
qname ||= soap_base_type_name(mapping[0])
@type2binding[type] = SoapBinding.new(self, qname, type, mapping)
else
qname = XSD::QName.new(@namespace, soap_type_name(type.type_class.name))
@registry.add(type.type_class,
SOAP::SOAPStruct,
typed_struct_factory(type.type_class),
{ :type => qname })
mapping = @registry.find_mapped_soap_class(type.type_class)
@type2binding[type] = SoapBinding.new(self, qname, type, mapping)
end
if type.structured?
type.each_member do |m_name, m_type|
register_type(m_type)
end
end
@type2binding[type]
end
alias :lookup_type :register_type
def annotate_arrays(binding, value)
if value.nil?
return
elsif binding.type.array?
mark_typed_array(value, binding.element_binding.qname)
if binding.element_binding.type.custom?
value.each do |element|
annotate_arrays(binding.element_binding, element)
end
end
elsif binding.type.structured?
binding.type.each_member do |name, type|
member_binding = register_type(type)
member_value = value.respond_to?('[]') ? value[name] : value.send(name)
annotate_arrays(member_binding, member_value) if type.custom?
end
end
end
private
def typed_struct_factory(type_class)
if Object.const_defined?('ActiveRecord')
if type_class.ancestors.include?(ActiveRecord::Base)
qname = XSD::QName.new(@namespace, soap_type_name(type_class.name))
type_class.instance_variable_set('@qname', qname)
return SoapActiveRecordStructFactory.new
end
end
SOAP::Mapping::Registry::TypedStructFactory
end
def mark_typed_array(array, qname)
(class << array; self; end).class_eval do
define_method(:arytype) do
qname
end
end
end
def soap_base_type_name(type)
xsd_type = type.ancestors.find{ |c| c.const_defined? 'Type' }
xsd_type ? xsd_type.const_get('Type') : XSD::XSDAnySimpleType::Type
end
def soap_type_name(type_name)
type_name.gsub(/::/, '..')
end
def register_static_factories
@registry.add(ActionWebService::Base64,
SOAP::SOAPBase64,
SoapBase64Factory.new,
nil)
mapping = @registry.find_mapped_soap_class(ActionWebService::Base64)
@type2binding[ActionWebService::Base64] =
SoapBinding.new(self, SOAP::SOAPBase64::Type,
ActionWebService::Base64, mapping)
@registry.add(Array,
SOAP::SOAPArray,
SoapTypedArrayFactory.new,
nil)
end
end
class SoapBinding
attr :qname
attr :type
attr :mapping
attr :element_binding
def initialize(marshaler, qname, type, mapping, element_binding=nil)
@marshaler = marshaler
@qname = qname
@type = type
@mapping = mapping
@element_binding = element_binding
end
def type_name
@type.custom? ? @qname.name : nil
end
def qualified_type_name(ns=nil)
if @type.custom?
"#{ns ? ns : @qname.namespace}:#{@qname.name}"
else
ns = XSD::NS.new
ns.assign(XSD::Namespace, SOAP::XSDNamespaceTag)
ns.assign(SOAP::EncodingNamespace, "soapenc")
xsd_klass = mapping[0].ancestors.find{|c| c.const_defined?('Type')}
return ns.name(XSD::AnyTypeName) unless xsd_klass
ns.name(xsd_klass.const_get('Type'))
end
end
def eql?(other)
@qname == other.qname
end
alias :== :eql?
def hash
@qname.hash
end
end
class SoapActiveRecordStructFactory < SOAP::Mapping::Factory
def obj2soap(soap_class, obj, info, map)
unless obj.is_a?(ActiveRecord::Base)
return nil
end
soap_obj = soap_class.new(obj.class.instance_variable_get('@qname'))
obj.class.columns.each do |column|
key = column.name.to_s
value = obj.send(key)
soap_obj[key] = SOAP::Mapping._obj2soap(value, map)
end
soap_obj
end
def soap2obj(obj_class, node, info, map)
unless node.type == obj_class.instance_variable_get('@qname')
return false
end
obj = obj_class.new
node.each do |key, value|
obj[key] = value.data
end
obj.instance_variable_set('@new_record', false)
return true, obj
end
end
class SoapTypedArrayFactory < SOAP::Mapping::Factory
def obj2soap(soap_class, obj, info, map)
unless obj.respond_to?(:arytype)
return nil
end
soap_obj = soap_class.new(SOAP::ValueArrayName, 1, obj.arytype)
mark_marshalled_obj(obj, soap_obj)
obj.each do |item|
child = SOAP::Mapping._obj2soap(item, map)
soap_obj.add(child)
end
soap_obj
end
def soap2obj(obj_class, node, info, map)
return false
end
end
class SoapBase64Factory < SOAP::Mapping::Factory
def obj2soap(soap_class, obj, info, map)
unless obj.is_a?(ActionWebService::Base64)
return nil
end
return soap_class.new(obj)
end
def soap2obj(obj_class, node, info, map)
unless node.type == SOAP::SOAPBase64::Type
return false
end
return true, obj_class.new(node.string)
end
end
end
end
end
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