Class: ActiveSupport::Logger

Inherits:
Logger
  • Object
show all
Includes:
LoggerSilence
Defined in:
activesupport/lib/active_support/logger.rb

Defined Under Namespace

Classes: SimpleFormatter

Class Method Summary collapse

Instance Method Summary collapse

Methods included from LoggerSilence

#silence

Methods included from Concern

#append_features, #class_methods, extended, #included, #prepend_features, #prepended

Constructor Details

#initialize(*args, **kwargs) ⇒ Logger

Returns a new instance of Logger.



80
81
82
83
# File 'activesupport/lib/active_support/logger.rb', line 80

def initialize(*args, **kwargs)
  super
  @formatter ||= SimpleFormatter.new
end

Class Method Details

.broadcast(logger) ⇒ Object

Broadcasts logs to multiple loggers.



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
# File 'activesupport/lib/active_support/logger.rb', line 23

def self.broadcast(logger) # :nodoc:
  Module.new do
    define_method(:add) do |*args, &block|
      logger.add(*args, &block)
      super(*args, &block)
    end

    define_method(:<<) do |x|
      logger << x
      super(x)
    end

    define_method(:close) do
      logger.close
      super()
    end

    define_method(:progname=) do |name|
      logger.progname = name
      super(name)
    end

    define_method(:formatter=) do |formatter|
      logger.formatter = formatter
      super(formatter)
    end

    define_method(:level=) do |level|
      logger.level = level
      super(level)
    end

    define_method(:local_level=) do |level|
      logger.local_level = level if logger.respond_to?(:local_level=)
      super(level) if respond_to?(:local_level=)
    end

    define_method(:silence) do |level = Logger::ERROR, &block|
      if logger.respond_to?(:silence)
        logger.silence(level) do
          if defined?(super)
            super(level, &block)
          else
            block.call(self)
          end
        end
      else
        if defined?(super)
          super(level, &block)
        else
          block.call(self)
        end
      end
    end
  end
end

.logger_outputs_to?(logger, *sources) ⇒ Boolean

Returns true if the logger destination matches one of the sources

logger = Logger.new(STDOUT)
ActiveSupport::Logger.logger_outputs_to?(logger, STDOUT)
# => true

Returns:

  • (Boolean)


16
17
18
19
20
# File 'activesupport/lib/active_support/logger.rb', line 16

def self.logger_outputs_to?(logger, *sources)
  logdev = logger.instance_variable_get(:@logdev)
  logger_source = logdev.dev if logdev.respond_to?(:dev)
  sources.any? { |source| source == logger_source }
end