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Editing: wsdlDriver.rb

# SOAP4R - SOAP WSDL driver
# Copyright (C) 2002, 2003, 2005  NAKAMURA, Hiroshi <nahi@ruby-lang.org>.

# This program is copyrighted free software by NAKAMURA, Hiroshi.  You can
# redistribute it and/or modify it under the same terms of Ruby's license;
# either the dual license version in 2003, or any later version.

require 'wsdl/parser'
require 'wsdl/importer'
require 'xsd/qname'
require 'xsd/codegen/gensupport'
require 'soap/mapping/wsdlencodedregistry'
require 'soap/mapping/wsdlliteralregistry'
require 'soap/rpc/driver'
require 'wsdl/soap/methodDefCreator'

module SOAP

class WSDLDriverFactory
  class FactoryError < StandardError; end

attr_reader :wsdl

def initialize(wsdl)
    @wsdl = import(wsdl)
    @methoddefcreator = WSDL::SOAP::MethodDefCreator.new(@wsdl)
  end
  
  def inspect
    "#<#{self.class}:#{@wsdl.name}>"
  end

def create_rpc_driver(servicename = nil, portname = nil)
    port = find_port(servicename, portname)
    drv = SOAP::RPC::Driver.new(port.soap_address.location)
    init_driver(drv, port)
    add_operation(drv, port)
    drv
  end

# depricated old interface
  def create_driver(servicename = nil, portname = nil)
    warn("WSDLDriverFactory#create_driver is depricated.  Use create_rpc_driver instead.")
    port = find_port(servicename, portname)
    WSDLDriver.new(@wsdl, port, nil)
  end

# Backward compatibility.
  alias createDriver create_driver

private

def find_port(servicename = nil, portname = nil)
    service = port = nil
    if servicename
      service = @wsdl.service(
        XSD::QName.new(@wsdl.targetnamespace, servicename))
    else
      service = @wsdl.services[0]
    end
    if service.nil?
      raise FactoryError.new("service #{servicename} not found in WSDL")
    end
    if portname
      port = service.ports[XSD::QName.new(@wsdl.targetnamespace, portname)]
      if port.nil?
        raise FactoryError.new("port #{portname} not found in WSDL")
      end
    else
      port = service.ports.find { |port| !port.soap_address.nil? }
      if port.nil?
        raise FactoryError.new("no ports have soap:address")
      end
    end
    if port.soap_address.nil?
      raise FactoryError.new("soap:address element not found in WSDL")
    end
    port
  end

def init_driver(drv, port)
    wsdl_elements = @wsdl.collect_elements
    wsdl_types = @wsdl.collect_complextypes + @wsdl.collect_simpletypes
    rpc_decode_typemap = wsdl_types +
      @wsdl.soap_rpc_complextypes(port.find_binding)
    drv.proxy.mapping_registry =
      Mapping::WSDLEncodedRegistry.new(rpc_decode_typemap)
    drv.proxy.literal_mapping_registry =
      Mapping::WSDLLiteralRegistry.new(wsdl_types, wsdl_elements)
  end

def add_operation(drv, port)
    port.find_binding.operations.each do |op_bind|
      op_name = op_bind.soapoperation_name
      soapaction = op_bind.soapaction || ''
      orgname = op_name.name
      name = XSD::CodeGen::GenSupport.safemethodname(orgname)
      param_def = create_param_def(op_bind)
      opt = {
        :request_style => op_bind.soapoperation_style,
        :response_style => op_bind.soapoperation_style,
        :request_use => op_bind.input.soapbody_use,
        :response_use => op_bind.output.soapbody_use,
        :elementformdefault => false,
        :attributeformdefault => false
      }
      if op_bind.soapoperation_style == :rpc
        drv.add_rpc_operation(op_name, soapaction, name, param_def, opt)
      else
        drv.add_document_operation(soapaction, name, param_def, opt)
      end
      if orgname != name and orgname.capitalize == name.capitalize
        ::SOAP::Mapping.define_singleton_method(drv, orgname) do |*arg|
          __send__(name, *arg)
        end
      end
    end
  end

def import(location)
    WSDL::Importer.import(location)
  end

def create_param_def(op_bind)
    op = op_bind.find_operation
    if op_bind.soapoperation_style == :rpc
      param_def = @methoddefcreator.collect_rpcparameter(op)
    else
      param_def = @methoddefcreator.collect_documentparameter(op)
    end
    # the first element of typedef in param_def is a String like
    # "::SOAP::SOAPStruct".  turn this String to a class.
    param_def.collect { |io, name, typedef|
      typedef[0] = Mapping.class_from_name(typedef[0])
      [io, name, typedef]
    }
  end

def partqname(part)
    if part.type
      part.type
    else
      part.element
    end
  end

def param_def(type, name, klass, partqname)
    [type, name, [klass, partqname.namespace, partqname.name]]
  end

def filter_parts(partsdef, partssource)
    parts = partsdef.split(/\s+/)
    partssource.find_all { |part| parts.include?(part.name) }
  end
end

class WSDLDriver
  class << self
    if RUBY_VERSION >= "1.7.0"
      def __attr_proxy(symbol, assignable = false)
        name = symbol.to_s
        define_method(name) {
          @servant.__send__(name)
        }
        if assignable
          aname = name + '='
          define_method(aname) { |rhs|
            @servant.__send__(aname, rhs)
          }
        end
      end
    else
      def __attr_proxy(symbol, assignable = false)
        name = symbol.to_s
        module_eval <<-EOS
          def #{name}
            @servant.#{name}
          end
        EOS
        if assignable
          module_eval <<-EOS
            def #{name}=(value)
              @servant.#{name} = value
            end
          EOS
        end
      end
    end
  end

__attr_proxy :options
  __attr_proxy :headerhandler
  __attr_proxy :streamhandler
  __attr_proxy :test_loopback_response
  __attr_proxy :endpoint_url, true
  __attr_proxy :mapping_registry, true		# for RPC unmarshal
  __attr_proxy :wsdl_mapping_registry, true	# for RPC marshal
  __attr_proxy :default_encodingstyle, true
  __attr_proxy :generate_explicit_type, true
  __attr_proxy :allow_unqualified_element, true

def httpproxy
    @servant.options["protocol.http.proxy"]
  end

def httpproxy=(httpproxy)
    @servant.options["protocol.http.proxy"] = httpproxy
  end

def wiredump_dev
    @servant.options["protocol.http.wiredump_dev"]
  end

def wiredump_dev=(wiredump_dev)
    @servant.options["protocol.http.wiredump_dev"] = wiredump_dev
  end

def mandatorycharset
    @servant.options["protocol.mandatorycharset"]
  end

def mandatorycharset=(mandatorycharset)
    @servant.options["protocol.mandatorycharset"] = mandatorycharset
  end

def wiredump_file_base
    @servant.options["protocol.wiredump_file_base"]
  end

def wiredump_file_base=(wiredump_file_base)
    @servant.options["protocol.wiredump_file_base"] = wiredump_file_base
  end

def initialize(wsdl, port, logdev)
    @servant = Servant__.new(self, wsdl, port, logdev)
  end

def inspect
    "#<#{self.class}:#{@servant.port.name}>"
  end

def reset_stream
    @servant.reset_stream
  end

# Backward compatibility.
  alias generateEncodeType= generate_explicit_type=

class Servant__
    include SOAP

attr_reader :options
    attr_reader :port

attr_accessor :soapaction
    attr_accessor :default_encodingstyle
    attr_accessor :allow_unqualified_element
    attr_accessor :generate_explicit_type
    attr_accessor :mapping_registry
    attr_accessor :wsdl_mapping_registry

def initialize(host, wsdl, port, logdev)
      @host = host
      @wsdl = wsdl
      @port = port
      @logdev = logdev
      @soapaction = nil
      @options = setup_options
      @default_encodingstyle = nil
      @allow_unqualified_element = nil
      @generate_explicit_type = false
      @mapping_registry = nil		# for rpc unmarshal
      @wsdl_mapping_registry = nil	# for rpc marshal
      @wiredump_file_base = nil
      @mandatorycharset = nil
      @wsdl_elements = @wsdl.collect_elements
      @wsdl_types = @wsdl.collect_complextypes + @wsdl.collect_simpletypes
      @rpc_decode_typemap = @wsdl_types +
	@wsdl.soap_rpc_complextypes(port.find_binding)
      @wsdl_mapping_registry = Mapping::WSDLEncodedRegistry.new(
        @rpc_decode_typemap)
      @doc_mapper = Mapping::WSDLLiteralRegistry.new(
        @wsdl_types, @wsdl_elements)
      endpoint_url = @port.soap_address.location
      # Convert a map which key is QName, to a Hash which key is String.
      @operation = {}
      @port.inputoperation_map.each do |op_name, op_info|
        orgname = op_name.name
        name = XSD::CodeGen::GenSupport.safemethodname(orgname)
	@operation[name] = @operation[orgname] = op_info
	add_method_interface(op_info)
      end
      @proxy = ::SOAP::RPC::Proxy.new(endpoint_url, @soapaction, @options)
    end

def inspect
      "#<#{self.class}:#{@proxy.inspect}>"
    end

def endpoint_url
      @proxy.endpoint_url
    end

def endpoint_url=(endpoint_url)
      @proxy.endpoint_url = endpoint_url
    end

def headerhandler
      @proxy.headerhandler
    end

def streamhandler
      @proxy.streamhandler
    end

def test_loopback_response
      @proxy.test_loopback_response
    end

def reset_stream
      @proxy.reset_stream
    end

def rpc_call(name, *values)
      set_wiredump_file_base(name)
      unless op_info = @operation[name]
        raise RuntimeError, "method: #{name} not defined"
      end
      req_header = create_request_header
      req_body = create_request_body(op_info, *values)
      reqopt = create_options({
        :soapaction => op_info.soapaction || @soapaction})
      resopt = create_options({
        :decode_typemap => @rpc_decode_typemap})
      env = @proxy.route(req_header, req_body, reqopt, resopt)
      raise EmptyResponseError unless env
      receive_headers(env.header)
      begin
        @proxy.check_fault(env.body)
      rescue ::SOAP::FaultError => e
	Mapping.fault2exception(e)
      end
      ret = env.body.response ?
	Mapping.soap2obj(env.body.response, @mapping_registry) : nil
      if env.body.outparams
	outparams = env.body.outparams.collect { |outparam|
  	  Mapping.soap2obj(outparam)
   	}
    	return [ret].concat(outparams)
      else
      	return ret
      end
    end

# req_header: [[element, mustunderstand, encodingstyle(QName/String)], ...]
    # req_body: SOAPBasetype/SOAPCompoundtype
    def document_send(name, header_obj, body_obj)
      set_wiredump_file_base(name)
      unless op_info = @operation[name]
        raise RuntimeError, "method: #{name} not defined"
      end
      req_header = header_obj ? header_from_obj(header_obj, op_info) : nil
      req_body = body_from_obj(body_obj, op_info)
      opt = create_options({
        :soapaction => op_info.soapaction || @soapaction,
        :decode_typemap => @wsdl_types})
      env = @proxy.invoke(req_header, req_body, opt)
      raise EmptyResponseError unless env
      if env.body.fault
	raise ::SOAP::FaultError.new(env.body.fault)
      end
      res_body_obj = env.body.response ?
	Mapping.soap2obj(env.body.response, @mapping_registry) : nil
      return env.header, res_body_obj
    end

private

def create_options(hash = nil)
      opt = {}
      opt[:default_encodingstyle] = @default_encodingstyle
      opt[:allow_unqualified_element] = @allow_unqualified_element
      opt[:generate_explicit_type] = @generate_explicit_type
      opt.update(hash) if hash
      opt
    end

def set_wiredump_file_base(name)
      if @wiredump_file_base
      	@proxy.set_wiredump_file_base(@wiredump_file_base + "_#{name}")
      end
    end

def create_request_header
      headers = @proxy.headerhandler.on_outbound
      if headers.empty?
	nil
      else
	h = SOAPHeader.new
	headers.each do |header|
	  h.add(header.elename.name, header)
	end
	h
      end
    end

def receive_headers(headers)
      @proxy.headerhandler.on_inbound(headers) if headers
    end

def create_request_body(op_info, *values)
      method = create_method_struct(op_info, *values)
      SOAPBody.new(method)
    end

def create_method_struct(op_info, *params)
      parts_names = op_info.bodyparts.collect { |part| part.name }
      obj = create_method_obj(parts_names, params)
      method = Mapping.obj2soap(obj, @wsdl_mapping_registry, op_info.op_name)
      if method.members.size != parts_names.size
	new_method = SOAPStruct.new
	method.each do |key, value|
	  if parts_names.include?(key)
	    new_method.add(key, value)
	  end
	end
	method = new_method
      end
      method.elename = op_info.op_name
      method.type = XSD::QName.new	# Request should not be typed.
      method
    end

def create_method_obj(names, params)
      o = Object.new
      idx = 0
      while idx < params.length
        o.instance_variable_set('@' + names[idx], params[idx])
        idx += 1
      end
      o
    end

def header_from_obj(obj, op_info)
      if obj.is_a?(SOAPHeader)
	obj
      elsif op_info.headerparts.empty?
	if obj.nil?
	  nil
	else
	  raise RuntimeError.new("no header definition in schema: #{obj}")
	end
      elsif op_info.headerparts.size == 1
       	part = op_info.headerparts[0]
	header = SOAPHeader.new()
	header.add(headeritem_from_obj(obj, part.element || part.eletype))
	header
      else
	header = SOAPHeader.new()
	op_info.headerparts.each do |part|
	  child = Mapping.get_attribute(obj, part.name)
	  ele = headeritem_from_obj(child, part.element || part.eletype)
	  header.add(part.name, ele)
	end
	header
      end
    end

def headeritem_from_obj(obj, name)
      if obj.nil?
	SOAPElement.new(name)
      elsif obj.is_a?(SOAPHeaderItem)
	obj
      else
        Mapping.obj2soap(obj, @doc_mapper, name)
      end
    end

def body_from_obj(obj, op_info)
      if obj.is_a?(SOAPBody)
	obj
      elsif op_info.bodyparts.empty?
	if obj.nil?
	  nil
	else
	  raise RuntimeError.new("no body found in schema")
	end
      elsif op_info.bodyparts.size == 1
       	part = op_info.bodyparts[0]
	ele = bodyitem_from_obj(obj, part.element || part.type)
	SOAPBody.new(ele)
      else
	body = SOAPBody.new
	op_info.bodyparts.each do |part|
	  child = Mapping.get_attribute(obj, part.name)
	  ele = bodyitem_from_obj(child, part.element || part.type)
	  body.add(ele.elename.name, ele)
	end
	body
      end
    end

def bodyitem_from_obj(obj, name)
      if obj.nil?
	SOAPElement.new(name)
      elsif obj.is_a?(SOAPElement)
	obj
      else
        Mapping.obj2soap(obj, @doc_mapper, name)
      end
    end

def add_method_interface(op_info)
      name = XSD::CodeGen::GenSupport.safemethodname(op_info.op_name.name)
      orgname = op_info.op_name.name
      parts_names = op_info.bodyparts.collect { |part| part.name }
      case op_info.style
      when :document
        if orgname != name and orgname.capitalize == name.capitalize
          add_document_method_interface(orgname, parts_names)
        end
	add_document_method_interface(name, parts_names)
      when :rpc
        if orgname != name and orgname.capitalize == name.capitalize
          add_rpc_method_interface(orgname, parts_names)
        end
	add_rpc_method_interface(name, parts_names)
      else
	raise RuntimeError.new("unknown style: #{op_info.style}")
      end
    end

def add_rpc_method_interface(name, parts_names)
      ::SOAP::Mapping.define_singleton_method(@host, name) do |*arg|
        unless arg.size == parts_names.size
          raise ArgumentError.new(
            "wrong number of arguments (#{arg.size} for #{parts_names.size})")
        end
        @servant.rpc_call(name, *arg)
      end
      @host.method(name)
    end

def add_document_method_interface(name, parts_names)
      ::SOAP::Mapping.define_singleton_method(@host, name) do |h, b|
        @servant.document_send(name, h, b)
      end
      @host.method(name)
    end

def setup_options
      if opt = Property.loadproperty(::SOAP::PropertyName)
	opt = opt["client"]
      end
      opt ||= Property.new
      opt.add_hook("protocol.mandatorycharset") do |key, value|
	@mandatorycharset = value
      end
      opt.add_hook("protocol.wiredump_file_base") do |key, value|
	@wiredump_file_base = value
      end
      opt["protocol.http.charset"] ||= XSD::Charset.xml_encoding_label
      opt["protocol.http.proxy"] ||= Env::HTTP_PROXY
      opt["protocol.http.no_proxy"] ||= Env::NO_PROXY
      opt
    end
  end
end

end

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