markbates/split_logger

class SplitLogger

  attr_accessor :logger_list
  attr_reader :level

  def initialize(loggers = {})
    self.logger_list = {}
    loggers.each do |name, logger|
      self.add(name, logger)
    end
    if defined?(RAILS_DEFAULT_LOGGER)
      self.add(:rails_default_logger, RAILS_DEFAULT_LOGGER)
    end
  end

  def add(name, logger)
    self.logger_list[name.to_sym] = logger
  end

  def remove(name)
    name = name.to_sym
    if self.logger_list.has_key?(name)
      self.logger_list.delete(name)
    end
  end

  def list
    self.logger_list
  end

  def level=(level)
    @level = level
    self.logger_list.each do |name, logger|
      logger.level = level
    end
  end

  [:debug, :info, :warn, :error, :fatal].each do |level|
    define_method(level) do |*args|
      self.logger_list.each do |name, logger|
        begin
          logger.send(level, *args)
        rescue Exception => e
          self.remove(name)
          self.send(level, e.message)
          self.send(level, "Removed logger '#{name}' from the logger list!")
        end
      end
    end
  end

end