Class: Fluent::TextParser::JSONInJSONParser

Inherits:
Parser
  • Object
show all
Defined in:
lib/fluent/plugin/parser_json_in_json.rb

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/parser_json_in_json.rb', line 11

def configure(conf)
  super

  unless @time_format.nil?
    @time_parser = TimeParser.new(@time_format)
    @mutex = Mutex.new
  end
end

#parse(text) ⇒ Object 



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# File 'lib/fluent/plugin/parser_json_in_json.rb', line 20

def parse(text)
  record = Yajl.load(text)

  value = @keep_time_key ? record[@time_key] : record.delete(@time_key)
  if value
    if @time_format
      time = @mutex.synchronize { @time_parser.parse(value) }
    else
      begin
        time = value.to_i
      rescue => e
        raise ParserError, "invalid time value: value = #{value}, error_class = #{e.class.name}, error = #{e.message}"
      end
    end
  else
    if @estimate_current_event
      time = Engine.now
    else
      time = nil
    end
  end

  values = Hash.new
  record.each do |k, v|
    if v[0] == '{'
      deserialized = Yajl.load(v)
      if deserialized.is_a?(Hash)
        values.merge!(deserialized)
        record.delete k
      end
    end
  end
  record.merge!(values)

  if block_given?
    yield time, record
  else
    return time, record
  end
rescue Yajl::ParseError
  if block_given?
    yield nil, nil
  else
    return nil, nil
  end
end