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require 'soap/mapping'
require 'xsd/ns'
module WS
module Marshaling
SoapEncodingNS = 'http://schemas.xmlsoap.org/soap/encoding/'
class SoapError < WSError
end
class SoapMarshaler < AbstractMarshaler
attr :registry
attr_accessor :type_namespace
def initialize(type_namespace='')
@type_namespace = type_namespace
@registry = SOAP::Mapping::Registry.new
@spec2binding = {}
end
def marshal(param)
if param.info.type.is_a?(Array)
(class << param.value; self; end).class_eval do
define_method(:arytype) do
param.info.data.qname
end
end
end
if param.value.is_a?(Exception)
detail = SOAP::Mapping::SOAPException.new(param.value)
soap_obj = SOAP::SOAPFault.new(
SOAP::SOAPString.new('Server'),
SOAP::SOAPString.new(param.value.to_s),
SOAP::SOAPString.new(self.class.name),
SOAP::Mapping.obj2soap(detail))
else
soap_obj = SOAP::Mapping.obj2soap(param.value, @registry)
end
SoapForeignObject.new(param, soap_obj)
end
def unmarshal(obj)
param = obj.param
soap_object = obj.soap_object
soap_type = soap_object ? soap_object.type : nil
value = soap_object ? SOAP::Mapping.soap2obj(soap_object, @registry) : nil
param.value = value
param.info.type = value.class
mapping = @registry.find_mapped_soap_class(param.info.type) rescue nil
if soap_type && soap_type.name == 'Array' && soap_type.namespace == SoapEncodingNS
param.info.data = SoapBinding.new(soap_object.arytype, mapping)
else
param.info.data = SoapBinding.new(soap_type, mapping)
end
param
end
def register_type(spec)
if @spec2binding.has_key?(spec)
return @spec2binding[spec]
end
klass = BaseTypes.canonical_param_type_class(spec)
if klass.is_a?(Array)
type_class = klass[0]
else
type_class = klass
end
type_binding = nil
if (mapping = @registry.find_mapped_soap_class(type_class) rescue nil)
qname = mapping[2] ? mapping[2][:type] : nil
qname ||= soap_base_type_name(mapping[0])
type_binding = SoapBinding.new(qname, mapping)
else
qname = XSD::QName.new(@type_namespace, soap_type_name(type_class.name))
@registry.add(type_class,
SOAP::SOAPStruct,
typed_struct_factory(type_class),
{ :type => qname })
mapping = @registry.find_mapped_soap_class(type_class)
type_binding = SoapBinding.new(qname, mapping)
end
array_binding = nil
if klass.is_a?(Array)
array_mapping = @registry.find_mapped_soap_class(Array) rescue nil
if (array_mapping && !array_mapping[1].is_a?(SoapTypedArrayFactory)) || array_mapping.nil?
@registry.set(Array,
SOAP::SOAPArray,
SoapTypedArrayFactory.new)
array_mapping = @registry.find_mapped_soap_class(Array)
end
qname = XSD::QName.new(@type_namespace, soap_type_name(type_class.name) + 'Array')
array_binding = SoapBinding.new(qname, array_mapping, type_binding)
end
@spec2binding[spec] = array_binding ? array_binding : type_binding
end
protected
def typed_struct_factory(type_class)
if Object.const_defined?('ActiveRecord')
if WS.derived_from?(ActiveRecord::Base, type_class)
qname = XSD::QName.new(@type_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 soap_type_name(type_name)
type_name.gsub(/::/, '..')
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
end
class SoapForeignObject
attr_accessor :param
attr_accessor :soap_object
def initialize(param, soap_object)
@param = param
@soap_object = soap_object
end
end
class SoapBinding
attr :qname
attr :mapping
attr :element_binding
def initialize(qname, mapping, element_binding=nil)
@qname = qname
@mapping = mapping
@element_binding = element_binding
end
def is_custom_type?
is_typed_array? || is_typed_struct?
end
def is_typed_array?
@mapping[1].is_a?(WS::Marshaling::SoapTypedArrayFactory)
end
def is_typed_struct?
@mapping[1] == SOAP::Mapping::Registry::TypedStructFactory || \
@mapping[1].is_a?(WS::Marshaling::SoapActiveRecordStructFactory)
end
def each_member(&block)
unless is_typed_struct?
raise(SoapError, "not a structured type")
end
end
def type_name
is_custom_type? ? @qname.name : nil
end
def qualified_type_name(ns=nil)
if is_custom_type?
"#{ns ? ns : @qname.namespace}:#{@qname.name}"
else
ns = XSD::NS.new
ns.assign(XSD::Namespace, SOAP::XSDNamespaceTag)
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
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.attributes.each do |key, value|
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
end
end
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