require 'active_support/logger_silence' require 'active_support/logger_thread_safe_level' require 'logger' module ActiveSupport class Logger < ::Logger include ActiveSupport::LoggerThreadSafeLevel include LoggerSilence # Returns true if the logger destination matches one of the sources # # logger = Logger.new(STDOUT) # ActiveSupport::Logger.logger_outputs_to?(logger, STDOUT) # # => true 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 # Broadcasts logs to multiple loggers. 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 respond_to?(:silence) super(level, &block) else block.call(self) end end else if respond_to?(:silence) super(level, &block) else block.call(self) end end end end end def initialize(*args) super @formatter = SimpleFormatter.new after_initialize if respond_to? :after_initialize end def add(severity, message = nil, progname = nil, &block) return true if @logdev.nil? || (severity || UNKNOWN) < level super end Logger::Severity.constants.each do |severity| class_eval(<<-EOT, __FILE__, __LINE__ + 1) def #{severity.downcase}? # def debug? Logger::#{severity} >= level # DEBUG >= level end # end EOT end # Simple formatter which only displays the message. class SimpleFormatter < ::Logger::Formatter # This method is invoked when a log event occurs def call(severity, timestamp, progname, msg) "#{String === msg ? msg : msg.inspect}\n" end end end end