Class: Fluent::Plugin::JSONParser

Inherits:
Parser show all
Defined in:
lib/fluent/plugin/parser_json.rb

Direct Known Subclasses

Compat::TextParser::JSONParser

Constant Summary

Constants inherited from Parser

Parser::TimeParser

Constants included from Configurable

Configurable::CONFIG_TYPE_REGISTRY

Instance Attribute Summary

Attributes inherited from Parser

#estimate_current_event

Attributes inherited from Base

#under_plugin_development

Instance Method Summary collapse

Methods inherited from Parser

#call, #initialize

Methods included from TimeMixin::Parser

included, #time_parser_create

Methods included from OwnedByMixin

#log, #owner, #owner=

Methods inherited from Base

#after_shutdown, #after_shutdown?, #after_start, #after_started?, #before_shutdown, #before_shutdown?, #close, #closed?, #configured?, #has_router?, #initialize, #inspect, #shutdown, #shutdown?, #start, #started?, #stop, #stopped?, #terminate, #terminated?

Methods included from SystemConfig::Mixin

#system_config, #system_config_override

Methods included from Configurable

#config, included, #initialize, lookup_type, register_type

Constructor Details

This class inherits a constructor from Fluent::Plugin::Parser

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/parser_json.rb', line 31

def configure(conf)
  super

  if @time_format
    @time_parser = time_parser_create
    @mutex = Mutex.new
  end

  begin
    raise LoadError unless @json_parser == 'oj'
    require 'oj'
    Oj.default_options = Fluent::DEFAULT_OJ_OPTIONS
    @load_proc = Oj.method(:load)
    @error_class = Oj::ParseError
  rescue LoadError
    @load_proc = Yajl.method(:load)
    @error_class = Yajl::ParseError
  end
end

#parse(text) ⇒ Object 



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# File 'lib/fluent/plugin/parser_json.rb', line 51

def parse(text)
  record = @load_proc.call(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 = Fluent::EventTime.from_time(Time.at(value.to_f))
      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 = Fluent::EventTime.now
    else
      time = nil
    end
  end

  yield time, record
rescue @error_class
  yield nil, nil
end