Class: I2X::Detector

Inherits:
Object
  • Object
show all
Defined in:
lib/i2x/detector.rb

Overview

Detector

Main change detection class, to be inherited by SQL, CSV, JSON and XML detectors (and others to come).

Direct Known Subclasses

CSVDetector, JSONDetector, SQLDetector, XMLDetector

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(agent) ⇒ Detector

Returns a new instance of Detector.



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# File 'lib/i2x/detector.rb', line 18

def initialize agent
  begin
    @agent = agent
    @payloads = Array.new
    @objects = Array.new
    @help = I2X::Helper.new
    I2X::Config.log.info(self.class.name) {"Started new #{agent.identifier} detector"}
  rescue Exception => e
    I2X::Config.log.error(self.class.name) {"#{e}"}
  end
end

Instance Attribute Details

#agent ⇒ Object

Returns the value of attribute agent.



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# File 'lib/i2x/detector.rb', line 16

def agent
  @agent
end

#content ⇒ Object

Returns the value of attribute content.



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# File 'lib/i2x/detector.rb', line 16

def content
  @content
end

#identifier ⇒ Object

Returns the value of attribute identifier.



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# File 'lib/i2x/detector.rb', line 16

def identifier
  @identifier
end

#objects ⇒ Object

Returns the value of attribute objects.



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# File 'lib/i2x/detector.rb', line 16

def objects
  @objects
end

#payloads ⇒ Object

Returns the value of attribute payloads.



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# File 'lib/i2x/detector.rb', line 16

def payloads
  @payloads
end

#templates ⇒ Object

Returns the value of attribute templates.



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# File 'lib/i2x/detector.rb', line 16

def templates
  @templates
end

Instance Method Details

#checkup ⇒ Object

Start original source detection process



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# File 'lib/i2x/detector.rb', line 34

def checkup

  begin


    ##
    # => Process seed data, if available.
    #
    unless @agent.seeds.nil? then
      @agent.seeds.each do |seed|
        case seed[:publisher]
        when 'csv'
          begin
            @sr = I2X::CSVSeedReader.new(@agent, seed)
          rescue Exception => e
            I2X::Config.log.error(self.class.name) {"#{e}"}
          end
        when 'sql'
          begin
            @sr = I2X::SQLSeedReader.new(@agent, seed)
          rescue Exception => e
            I2X::Config.log.error(self.class.name) {"#{e}"}
          end
        when 'xml'
          begin
            @sr = I2X::XMLSeedReader.new(@agent, seed)
          rescue Exception => e
            I2X::Config.log.error(self.class.name) {"#{e}"}
          end
        when 'json'
          begin
            @sr = I2X::JSONSeedReader.new(@agent, seed)
          rescue Exception => e
            I2X::Config.log.error(self.class.name) {"#{e}"}
          end
        end
        begin
          @reads = @sr.read
          @reads.each do |read|
            @objects.push read
          end
        rescue Exception => e
          I2X::Config.log.error(self.class.name) {"#{e}"}
        end
      end

    else
      ##
      # no seeds, simply copy agent data
      object = @help.deep_copy @agent.payload 
      object[:identifier] = @agent.identifier
      object[:cache] = @agent.cache
      object[:seed] = object[:identifier]
      object[:selectors] = @agent.selectors
      unless self.content.nil? then
        object[:content] = self.content
      end
      @objects.push object
    end
  rescue Exception => e
    @response = {:status => 404, :message => "[i2x][Detector] failed to load doc, #{e}"}
    I2X::Config.log.error(self.class.name) {"#{e}"}
  end

  begin
    # increase detected events count


    @templates = Array.new
    @response = { :payload => @payloads, :templates => @templates, :status => 100}
  rescue Exception => e
    @response = {:status => 404, :message => "[i2x][Detector] failed to process queries, #{e}"}
    I2X::Config.log.error(self.class.name) {"#{e}"}
  end
  @response
end