Class: ActiveSupport::Logger

Inherits:
Logger
  • Object
show all
Includes:
LoggerSilence
Defined in:
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.



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# File 'lib/active_support/logger.rb', line 33

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

Class Method Details

.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

logger = Logger.new('/var/log/rails.log')
ActiveSupport::Logger.logger_outputs_to?(logger, '/var/log/rails.log')
# => true

Returns:

  • (Boolean) 


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# File 'lib/active_support/logger.rb', line 20

def self.logger_outputs_to?(logger, *sources)
  loggers = if logger.is_a?(BroadcastLogger)
    logger.broadcasts
  else
    [logger]
  end

  logdevs = loggers.map { |logger| logger.instance_variable_get(:@logdev) }
  logger_sources = logdevs.filter_map { |logdev| logdev.try(:filename) || logdev.try(:dev) }

  normalize_sources(sources).intersect?(normalize_sources(logger_sources))
end