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#
# Author:: Christopher Walters (<cw@opscode.com>)
# Author:: Tim Hinderliter (<tim@opscode.com>)
# Copyright:: Copyright (c) 2010 Opscode, 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
class Cookbook
# == Chef::Cookbook::FileVendor
# This class handles fetching of cookbook files based on specificity.
class FileVendor
def self.on_create(&block)
@instance_creator = block
end
# Factory method that creates the appropriate kind of
# Cookbook::FileVendor to serve the contents of the manifest
def self.create_from_manifest(manifest)
raise "Must call Chef::Cookbook::FileVendor.on_create before calling create_from_manifest factory" unless defined?(@instance_creator)
@instance_creator.call(manifest)
end
# Gets the on-disk location for the given cookbook file.
#
# Subclasses are responsible for determining exactly how the
# files are obtained and where they are stored.
def get_filename(filename)
raise NotImplemented, "Subclasses must implement this method"
end
end
end
end
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