Class: Distelli::XmlMarshaller

Inherits:
Marshaller show all
Defined in:
lib/distelli/servicemarshallers.rb

Overview

XML Marshaller

Instance Method Summary collapse

Methods inherited from Marshaller

#add_object

Constructor Details

#initialize ⇒ XmlMarshaller

Returns a new instance of XmlMarshaller.



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# File 'lib/distelli/servicemarshallers.rb', line 200

def initialize()
  super
end

Instance Method Details

#marshall(request) ⇒ Object 



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# File 'lib/distelli/servicemarshallers.rb', line 204

def marshall(request)
  root_tag_name = request.class.name.split('::').last
  return ['<', root_tag_name,'>', encode_obj_xml(request), '</', root_tag_name, '>'].join('')
end

#marshall_error(error) ⇒ Object 



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# File 'lib/distelli/servicemarshallers.rb', line 215

def marshall_error(error)
  if not error.is_a?(Distelli::BaseException)
    raise StandardError.new("Cannot marshall error: "+error.inspect)
  end

  err_msg = error.err_msg
  err_code = error.err_code
  return "<Error><code>"+err_code.to_s+"</code><message>"+err_msg.to_s+"</message></Error>"
end

#unmarshall(xml_data) ⇒ Object 



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# File 'lib/distelli/servicemarshallers.rb', line 209

def unmarshall(xml_data)
  xml_doc = Nokogiri::XML(xml_data)
  root_node = xml_doc.root
  return unmarshall_obj(root_node)
end

#unmarshall_error(xml_data) ⇒ Object

Unmarshalls an xml error response and returns the error

code and message.

This is what an xml error looks like:

<Error>
  <code>MalformedRequest</code>
  <message>The request is malformed</message>
</Error>



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# File 'lib/distelli/servicemarshallers.rb', line 236

def unmarshall_error(xml_data)
  xml_doc = Nokogiri::XML(xml_data)
  err_code_elem = xml_doc.xpath('//'+ServiceConstants::ERROR_KEY+'//'+ServiceConstants::ERR_CODE_KEY)
  err_msg_elem = xml_doc.xpath('//'+ServiceConstants::ERROR_KEY+'//'+ServiceConstants::ERR_MSG_KEY)
  err_code = nil
  err_msg = nil
  if err_code_elem != nil
    err_code = err_code_elem.text
  end
  if err_msg_elem != nil
    err_msg = err_msg_elem.text
  end
  return [err_code, err_msg]
end