Class: Fluent::TextParser::JSONishParser

Inherits:
JSONParser
  • Object
show all
Defined in:
lib/fluent/plugin/parser_jsonish.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ JSONishParser

Returns a new instance of JSONishParser.



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# File 'lib/fluent/plugin/parser_jsonish.rb', line 44

def initialize
  super
end

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/parser_jsonish.rb', line 48

def configure(conf)

  if conf['time_format'] and not conf['time_format'].nil?
    # Remove the time_format key before the super call so
    # the it does as little as possible as possible (ie.
    # less that we'll have to override).
    tmp_time_format = conf.delete('time_format')
    # This has to be set to string when time_format is set.
    # Deleting it without deleting time_type will leave an
    # invalid configuration.
    tmp_time_type = conf.delete('time_type')
  end

  super(conf)

  # Overwrite the time parser unless the time_type is set
  # to something other than string.
  if not tmp_time_type.nil? and tmp_time_type == 'string'
      @time_parser = StdFormatTimeParser.new(tmp_time_format)
      # If these values are not restored, fluent will not
      # show the value in trace/debug output.
      conf['time_type'] = tmp_time_type
      @time_type = tmp_time_type
      conf['time_format'] = tmp_time_format
      @time_format = tmp_time_format
  elsif tmp_time_format.nil?
      # The v1.0 time parser has a way to use the Time class
      # method iso8601, but I would still to be able to access
      # any available Time methods in a generic way.
      @time_parser = StdFormatTimeParser.new('iso8601')
      @time_type = 'string'
      @time_format = 'iso8601'
  end
  @mutex = Mutex.new

  @transforms = []

  @maps.each do |elem|
    if elem.is_a?(Array)
      @transforms << [ Regexp.new(elem[0]), elem[1] ]
    elsif elem.is_a?(String)
      if elem == 'slashes'
        @transforms << [ Regexp.new("\\\\"), "\\\\\\" ]
      elsif elem == 'nulls'
        @null_maps.each do |e|
          @transforms << [ Regexp.new(sprintf(e[0],@null_pattern)), e[1] ]
        end
      else
        raise ConfigError, "Unknown transform #{elem}."
      end
    else
      raise ConfigError, "Unknown transform data type."
    end
  end

end

#parse(text) ⇒ Object 



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# File 'lib/fluent/plugin/parser_jsonish.rb', line 105

def parse(text)

  full_message = @add_full_message ? text : nil

  @transforms.each do |args|
    text.gsub!(*args)
  end

  super(text) do |time,record|
    if @message_key
      record['message'] = record[@message_key]
    end

    if full_message
      record['full_message'] = full_message
    end

    @move_keys.map do |k,v|
      record[v] = record.delete(k)
    end
    record.delete(nil)

    yield time, record
  end

end