lib/mongo/logger.rb
# frozen_string_literal: true
# rubocop:todo all
# Copyright (C) 2014-2020 MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module Mongo
# Provides ability to log messages.
#
# @since 2.0.0
class Logger
class << self
# Get the wrapped logger. If none was set will return a default info
# level logger.
#
# @example Get the wrapped logger.
# Mongo::Logger.logger
#
# @return [ ::Logger ] The wrapped logger.
#
# @since 2.0.0
def logger
@logger ||= default_logger
end
# Set the logger.
#
# @example Set the wrapped logger.
# Mongo::Logger.logger = logger
#
# @param [ ::Logger ] other The logger to set.
#
# @return [ ::Logger ] The wrapped logger.
#
# @since 2.0.0
def logger=(other)
@logger = other
end
# Get the global logger level.
#
# @example Get the global logging level.
# Mongo::Logger.level
#
# @return [ Integer ] The log level.
#
# @since 2.0.0
def level
logger.level
end
# Set the global logger level.
#
# @example Set the global logging level.
# Mongo::Logger.level == Logger::DEBUG
#
# @return [ Integer ] The log level.
#
# @since 2.0.0
def level=(level)
logger.level = level
end
private
def default_logger
logger = ::Logger.new(STDOUT)
logger.level = ::Logger::INFO
logger
end
end
end
end