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require 'active_support/logger_silence'
require 'logger'
module ActiveSupport
class Logger < ::Logger
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
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
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