Class: Handsoap::Parser::Wsdl

Inherits:
Object
  • Object
show all
Defined in:
lib/handsoap/parser.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(doc, url = "void://") ⇒ Wsdl

Returns a new instance of Wsdl.



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# File 'lib/handsoap/parser.rb', line 67

def initialize(doc, url = "void://")
  @doc = doc
  @url = url
end

Instance Attribute Details

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/handsoap/parser.rb', line 65

def url
  @url
end

Class Method Details

.read(url) ⇒ Object 



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# File 'lib/handsoap/parser.rb', line 72

def self.read(url)
  self.new(Nokogiri.XML(Kernel.open(url).read), url)
end

Instance Method Details

#bindings ⇒ Object 



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# File 'lib/handsoap/parser.rb', line 177

def bindings
  @doc.xpath("//wsdl1:binding|//wsdl2:binding", ns).map do |binding|
    raise "WSDL 2.0 not supported" if is_wsdl2?(binding)
    soap_binding = binding.xpath("./soap11:binding|./soap12:binding|./http:binding", ns).first
    protocol = protocol_from_ns(soap_binding)
    actions = []
    style = nil
    encoding = nil
    actions = binding.xpath("./wsdl1:operation", ns).map do |operation|
      soap_operation = operation.xpath("./soap11:operation|./soap12:operation|./http:operation", ns).first
      if soap_operation[:style]
        raise "Mixed styles not supported" if style && style != soap_operation[:style]
        style = soap_operation[:style]
      end
      xquery = []
      ['soap11', 'soap12', 'http'].each do |version|
        ['input', 'output'].each do |message_name|
          ['header', 'body'].each do |part_name|
            xquery << "./wsdl1:#{message_name}/#{version}:#{part_name}"
          end
        end
      end
      operation.xpath(xquery.join('|'), ns).each do |thing|
        raise "Mixed encodings not supported" if encoding && encoding != thing[:use]
        encoding = thing[:use]
      end
      Action.new(
                 operation[:name],
                 :soap_action => soap_operation[:soapAction],
                 :location => soap_operation[:location])
    end
    Binding.new(
                binding[:name],
                :protocol => protocol,
                :interface => binding[:type],
                :transport => soap_binding[:transport],
                :style => style,
                :encoding => encoding,
                :verb => soap_binding[:verb],
                :actions => actions)
  end
end

#endpoints ⇒ Object 



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# File 'lib/handsoap/parser.rb', line 162

def endpoints
  @doc.xpath("//wsdl1:service/wsdl1:port|//wsdl2:service/wsdl2:endpoint", ns).map do |port|
    binding = port[:binding]
    if is_wsdl2?(port)
      location = port[:address]
      protocol = :binding
    else
      address = port.xpath("./soap11:address|./soap12:address|./http:address", ns).first
      location = address[:location]
      protocol = protocol_from_ns(address)
    end
    Endpoint.new(port[:name], protocol, binding, location)
  end
end

#interface ⇒ Object 



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# File 'lib/handsoap/parser.rb', line 121

def interface
  tmp = interfaces
  raise "Expected exactly 1 interface/portType in WSDL" if tmp.length != 1
  tmp[0]
end

#interfaces ⇒ Object 



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# File 'lib/handsoap/parser.rb', line 142

def interfaces
  @doc.xpath("//wsdl1:portType|//wsdl2:interface", ns).map do |port_type|
    operations = port_type.xpath("./wsdl1:operation|./wsdl2:operation", ns).map do |operation|
      if is_wsdl2?(operation)
        input_node = operation.xpath("./wsdl2:input", ns).first
        input = input_node ? input_node[:element] : nil
        output_node = operation.xpath("./wsdl2:output", ns).first
        output = output_node ? output_node[:element] : nil
      else
        input_node = operation.xpath("./wsdl1:input", ns).first
        input = input_node ? input_node[:message] : nil
        output_node = operation.xpath("./wsdl1:output", ns).first
        output = output_node ? output_node[:message] : nil
      end
      Operation.new(operation[:name], :input => input, :output => output)
    end
    Interface.new(port_type[:name], operations)
  end
end

#preferred_protocol ⇒ Object 



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# File 'lib/handsoap/parser.rb', line 131

def preferred_protocol
  e = endpoints
  if e.select { |endpoint| endpoint.protocol == :soap12 }.any?
    :soap12
  elsif e.select { |endpoint| endpoint.protocol == :soap11 }.any?
    :soap11
  else
    raise "Can't find any soap 1.1 or soap 1.2 endpoints"
  end
end

#service ⇒ Object 



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# File 'lib/handsoap/parser.rb', line 115

def service
  services = @doc.xpath("//wsdl1:service|//wsdl2:service", ns)
  raise "Expected exactly 1 service in WSDL" if services.length != 1
  services[0][:name]
end

#target_ns ⇒ Object 



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# File 'lib/handsoap/parser.rb', line 127

def target_ns
  @doc.root[:targetNamespace] || raise("Attribute targetNamespace not defined")
end