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#
# Created by Luke Kanies on 2007-10-22.
# Copyright (c) 2007. All rights reserved.
require 'puppet/file_serving'
# The base class for Content and Metadata; provides common
# functionality like the behaviour around links.
class Puppet::FileServing::Base
attr_accessor :key
# Does our file exist?
def exist?
begin
stat
return true
rescue => detail
return false
end
end
# Return the full path to our file. Fails if there's no path set.
def full_path
raise(ArgumentError, "You must set a path to get a file's path") unless self.path
if relative_path.nil? or relative_path == ""
path
else
File.join(path, relative_path)
end
end
def initialize(key, options = {})
@key = key
@links = :manage
options.each do |param, value|
begin
send param.to_s + "=", value
rescue NoMethodError
raise ArgumentError, "Invalid option %s for %s" % [param, self.class]
end
end
end
# Determine how we deal with links.
attr_reader :links
def links=(value)
value = :manage if value == :ignore
raise(ArgumentError, ":links can only be set to :manage or :follow") unless [:manage, :follow].include?(value)
@links = value
end
# Set our base path.
attr_reader :path
def path=(path)
raise ArgumentError.new("Paths must be fully qualified") unless path =~ /^#{::File::SEPARATOR}/
@path = path
end
# Set a relative path; this is used for recursion, and sets
# the file's path relative to the initial recursion point.
attr_reader :relative_path
def relative_path=(path)
raise ArgumentError.new("Relative paths must not be fully qualified") if path =~ /^#{::File::SEPARATOR}/
@relative_path = path
end
# Stat our file, using the appropriate link-sensitive method.
def stat
unless defined?(@stat_method)
@stat_method = self.links == :manage ? :lstat : :stat
end
File.send(@stat_method, full_path())
end
end
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