#
# Copyright:: Copyright 2015-2016, Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# 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 ChefConfig

  # Implements enough of Logger's API that we can use it in place of a real
  # logger for `ChefConfig.logger`
  class NullLogger

    def <<(_msg)
    end

    def add(_severity, _message = nil, _progname = nil)
    end

    def trace(_progname = nil, &block)
    end

    def debug(_progname = nil, &block)
    end

    def info(_progname = nil, &block)
    end

    def warn(_progname = nil, &block)
    end

    def deprecation(_progname = nil, &block)
    end

    def error(_progname = nil, &block)
    end

    def fatal(_progname = nil, &block)
    end

  end

  @logger = NullLogger.new

  def self.logger=(new_logger)
    @logger = new_logger
  end

  def self.logger
    @logger
  end
end