+++ /dev/null
-module ActiveSupport
- module Cache
- # A cache store implementation which stores everything on the filesystem.
- class FileStore < Store
- attr_reader :cache_path
-
- def initialize(cache_path)
- @cache_path = cache_path
- end
-
- def read(name, options = nil)
- super
- File.open(real_file_path(name), 'rb') { |f| Marshal.load(f) } rescue nil
- end
-
- def write(name, value, options = nil)
- super
- ensure_cache_path(File.dirname(real_file_path(name)))
- File.atomic_write(real_file_path(name), cache_path) { |f| Marshal.dump(value, f) }
- value
- rescue => e
- logger.error "Couldn't create cache directory: #{name} (#{e.message})" if logger
- end
-
- def delete(name, options = nil)
- super
- File.delete(real_file_path(name))
- rescue SystemCallError => e
- # If there's no cache, then there's nothing to complain about
- end
-
- def delete_matched(matcher, options = nil)
- super
- search_dir(@cache_path) do |f|
- if f =~ matcher
- begin
- File.delete(f)
- rescue SystemCallError => e
- # If there's no cache, then there's nothing to complain about
- end
- end
- end
- end
-
- def exist?(name, options = nil)
- super
- File.exist?(real_file_path(name))
- end
-
- private
- def real_file_path(name)
- '%s/%s.cache' % [@cache_path, name.gsub('?', '.').gsub(':', '.')]
- end
-
- def ensure_cache_path(path)
- FileUtils.makedirs(path) unless File.exist?(path)
- end
-
- def search_dir(dir, &callback)
- Dir.foreach(dir) do |d|
- next if d == "." || d == ".."
- name = File.join(dir, d)
- if File.directory?(name)
- search_dir(name, &callback)
- else
- callback.call name
- end
- end
- end
- end
- end
-end