Class: ActionWebService::Protocol::Soap::SoapProtocol

Inherits:
AbstractProtocol show all
Defined in:
lib/action_web_service/protocol/soap_protocol.rb

Overview

:nodoc:

Constant Summary collapse

AWSEncoding = 
'UTF-8'
XSDEncoding = 
'UTF8'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from AbstractProtocol

#setup

Constructor Details

#initialize(namespace = nil) ⇒ SoapProtocol

Returns a new instance of SoapProtocol.



28
29
30
31
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 28

def initialize(namespace=nil)
  namespace ||= 'urn:ActionWebService'
  @marshaler = SoapMarshaler.new namespace
end

Instance Attribute Details

#marshaler ⇒ Object (readonly)

Returns the value of attribute marshaler.



26
27
28
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 26

def marshaler
  @marshaler
end

Class Method Details

.create(controller) ⇒ Object 



33
34
35
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 33

def self.create(controller)
  SoapProtocol.new(controller.wsdl_namespace)
end

Instance Method Details

#decode_action_pack_request(action_pack_request) ⇒ Object 



37
38
39
40
41
42
43
44
45
46
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 37

def decode_action_pack_request(action_pack_request)
  return nil unless soap_action = has_valid_soap_action?(action_pack_request)
  service_name = action_pack_request.parameters['action']
  input_encoding = parse_charset(action_pack_request.env['HTTP_CONTENT_TYPE'])
  protocol_options = { 
    :soap_action => soap_action,
    :charset  => input_encoding
  }
  decode_request(action_pack_request.raw_post, service_name, protocol_options)
end

#decode_request(raw_request, service_name, protocol_options = {}) ⇒ Object 



54
55
56
57
58
59
60
61
62
63
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 54

def decode_request(raw_request, service_name, protocol_options={})
  envelope = SOAP::Processor.unmarshal(raw_request, :charset => protocol_options[:charset])
  unless envelope
    raise ProtocolError, "Failed to parse SOAP request message"
  end
  request = envelope.body.request
  method_name = request.elename.name
  params = request.collect{ |k, v| marshaler.soap_to_ruby(request[k]) }
  Request.new(self, method_name, params, service_name, nil, nil, protocol_options)
end

#decode_response(raw_response) ⇒ Object 



83
84
85
86
87
88
89
90
91
92
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 83

def decode_response(raw_response)
  envelope = SOAP::Processor.unmarshal(raw_response)
  unless envelope
    raise ProtocolError, "Failed to parse SOAP request message"
  end
  method_name = envelope.body.request.elename.name
  return_value = envelope.body.response
  return_value = marshaler.soap_to_ruby(return_value) unless return_value.nil?
  [method_name, return_value]
end

#encode_action_pack_request(service_name, public_method_name, raw_body, options = {}) ⇒ Object 



48
49
50
51
52
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 48

def encode_action_pack_request(service_name, public_method_name, raw_body, options={})
  request = super
  request.env['HTTP_SOAPACTION'] = '/soap/%s/%s' % [service_name, public_method_name]
  request
end

#encode_request(method_name, params, param_types) ⇒ Object 



65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 65

def encode_request(method_name, params, param_types)
  param_types.each{ |type| marshaler.register_type(type) } if param_types
  qname = XSD::QName.new(marshaler.namespace, method_name)
  param_def = []
  if param_types
    params = param_types.zip(params).map do |type, param|
      param_def << ['in', type.name, marshaler.lookup_type(type).mapping]
      [type.name, marshaler.ruby_to_soap(param)]
    end
  else
    params = []
  end
  request = SOAP::RPC::SOAPMethodRequest.new(qname, param_def)
  request.set_param(params)
  envelope = create_soap_envelope(request)
  SOAP::Processor.marshal(envelope)
end

#encode_response(method_name, return_value, return_type, protocol_options = {}) ⇒ Object 



94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 94

def encode_response(method_name, return_value, return_type, protocol_options={})
  if return_type
    return_binding = marshaler.register_type(return_type)
    marshaler.annotate_arrays(return_binding, return_value)
  end
  qname = XSD::QName.new(marshaler.namespace, method_name)
  if return_value.nil?
    response = SOAP::RPC::SOAPMethodResponse.new(qname, nil)
  else
    if return_value.is_a?(Exception)
      detail = SOAP::Mapping::SOAPException.new(return_value)
      response = SOAP::SOAPFault.new(
        SOAP::SOAPQName.new('%s:%s' % [SOAP::SOAPNamespaceTag, 'Server']),
        SOAP::SOAPString.new(return_value.to_s),
        SOAP::SOAPString.new(self.class.name),
        marshaler.ruby_to_soap(detail))
    else
      if return_type
        param_def = [['retval', 'return', marshaler.lookup_type(return_type).mapping]]
        response = SOAP::RPC::SOAPMethodResponse.new(qname, param_def)
        response.retval = marshaler.ruby_to_soap(return_value)
      else
        response = SOAP::RPC::SOAPMethodResponse.new(qname, nil)
      end
    end
  end
  envelope = create_soap_envelope(response)

  # FIXME: This is not thread-safe, but StringFactory_ in SOAP4R only
  #        reads target encoding from the XSD::Charset.encoding variable.
  #        This is required to ensure $KCODE strings are converted
  #        correctly to UTF-8 for any values of $KCODE.
  previous_encoding = XSD::Charset.encoding
  XSD::Charset.encoding = XSDEncoding
  response_body = SOAP::Processor.marshal(envelope, :charset => AWSEncoding)
  XSD::Charset.encoding = previous_encoding

  Response.new(response_body, "text/xml; charset=#{AWSEncoding}", return_value)
end

#protocol_client(api, protocol_name, endpoint_uri, options = {}) ⇒ Object 



134
135
136
137
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 134

def protocol_client(api, protocol_name, endpoint_uri, options={})
  return nil unless protocol_name == :soap
  ActionWebService::Client::Soap.new(api, endpoint_uri, options)
end

#register_api(api) ⇒ Object 



139
140
141
142
143
144
 
# File 'lib/action_web_service/protocol/soap_protocol.rb', line 139

def register_api(api)
  api.api_methods.each do |name, method|
    method.expects.each{ |type| marshaler.register_type(type) } if method.expects
    method.returns.each{ |type| marshaler.register_type(type) } if method.returns
  end
end