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#
# Author:: Daniel DeLeo (<dan@chef.io>)
# Copyright:: Copyright 2014-2016, 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.
class Chef
# Null logger implementation that just ignores everything. This is used by
# classes that are intended to be reused outside of Chef, but need to offer
# logging functionality when used by other Chef code.
#
# It does not define the full interface provided by Logger, just enough to be
# a reasonable duck type. In particular, methods setting the log level, log
# device, etc., are not implemented because any code calling those methods
# probably expected a real logger and not this "fake" one.
class NullLogger
def fatal(message, &block); end
def error(message, &block); end
def warn(message, &block); end
def info(message, &block); end
def debug(message, &block); end
def trace(message, &block); end
def add(severity, message = nil, progname = nil); end
def <<(message); end
def fatal?
false
end
def error?
false
end
def warn?
false
end
def info?
false
end
def debug?
false
end
def trace?
false
end
end
end
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