Class: SData::Diagnosis

Inherits:
Object
  • Object
show all
Defined in:
lib/s_data/diagnosis/diagnosis.rb,
lib/s_data/diagnosis/diagnosis_mapper.rb

Defined Under Namespace

Classes: DiagnosisMapper

Constant Summary collapse

@@sdata_attributes = 
[:severity, :sdata_code, :application_code, :message, :stack_trace, :payload_path, :exception, :http_status_code]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Diagnosis

Returns a new instance of Diagnosis.



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# File 'lib/s_data/diagnosis/diagnosis.rb', line 7

def initialize(params={})
  raise "SData::Diagnosis is an abstract class; instantiate a subclass instead" if self.class == SData::Diagnosis
  params.each_pair do |key,value|
    if @@sdata_attributes.include?(key)
      self.send("#{key}=", value)
    end
  end
  if self.exception && !self.message
    self.message = self.exception.message 
  end
  self.sdata_code ||= self.class.name.demodulize
  self.severity ||= "error"
end

Class Method Details

.construct_header_for(diagnosis_payloads) ⇒ Object

Can be called from outside to build a single header for multiple diagnoses, each of which has been constructed with (header=false) option. Useful when generating multiple diagnoses inside a single Feed. Currently won’t work inside a signle Entry due to parsing problems in rAtom. Solving this problem is complex, so won’t try to implement unless we confirm it’s required. -Eugene



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# File 'lib/s_data/diagnosis/diagnosis.rb', line 36

def self.construct_header_for(diagnosis_payloads)
  document = XML::Document.new
  root_node = XML::Node.new("sdata:diagnoses")
  #TODO FIXME: SData spec says root node must be just 'xmlns=' and not 'xmlns:sdata', but this fails W3
  #XML validation. Confirm which way is correct -- if former, change below line to root_node['xmlns']...
  root_node['xmlns:sdata'] = "#{SData.config[:schemas]['sdata']}"
  diagnosis_payloads.each do |diagnosis_payload|
    root_node << diagnosis_payload
  end
  document.root = root_node
  document
end

Instance Method Details

#to_xml(mode = :root) ⇒ Object 



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# File 'lib/s_data/diagnosis/diagnosis.rb', line 21

def to_xml(mode=:root)
  case mode
  when :root
    return Diagnosis.construct_header_for(self.diagnosis_payload)
  when :feed
    return self.diagnosis_payload[0]
  when :entry
    return self.diagnosis_payload
  end
end