diff options
Diffstat (limited to 'activesupport/lib/active_support/cache/file_store.rb')
-rw-r--r-- | activesupport/lib/active_support/cache/file_store.rb | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/cache/file_store.rb b/activesupport/lib/active_support/cache/file_store.rb new file mode 100644 index 0000000000..88f9ac19db --- /dev/null +++ b/activesupport/lib/active_support/cache/file_store.rb @@ -0,0 +1,65 @@ +module ActiveSupport + module Cache + 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| f.read } rescue nil + end + + def write(name, value, options = nil) + super + ensure_cache_path(File.dirname(real_file_path(name))) + File.open(real_file_path(name), "wb+") { |f| f.write(value) } + rescue => e + RAILS_DEFAULT_LOGGER.error "Couldn't create cache directory: #{name} (#{e.message})" if RAILS_DEFAULT_LOGGER + end + + def delete(name, options) + 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) + 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 + + 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.exists?(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
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