# Cloud Foundry Java Buildpack

# Copyright (c) 2013 the original author or authors.

#

# 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.

require 'java_buildpack/util'

require 'java_buildpack/util/download_cache'

module JavaBuildpack::Util

# An extension of {DownloadCache} that is configured to use the application cache. The application

# cache location is defined by the second argument (<tt>ARGV[1]</tt>) to the +compile+ script.

#

# <b>WARNING: This cache should only by used by code run by the +compile+ script</b>

class ApplicationCache < DownloadCache

# Creates an instance that is configured to use the application cache. The application cache location is defined by

# the second argument (<tt>ARGV[1]</tt>) to the +compile+ script.

#

# @raise if the second argument (<tt>ARGV[1]</tt>) to the +compile+ script is +nil+

def initialize

application_cache_directory = ARGV[1]

raise 'Application cache directory is undefined' if application_cache_directory.nil?

super(application_cache_directory)

end

end

end