WEBrick::HTTPServlet::DefaultFileHandler ^(Class)

# File webrick/httpservlet/filehandler.rb, line 22
      def initialize(server, local_path)
        super
        @local_path = local_path
      end

# File webrick/httpservlet/filehandler.rb, line 27
      def do_GET(req, res)
        st = File::stat(@local_path)
        mtime = st.mtime
        res['etag'] = sprintf("%x-%x-%x", st.ino, st.size, st.mtime.to_i)

        if not_modified?(req, res, mtime, res['etag'])
          res.body = ''
          raise HTTPStatus::NotModified
        elsif req['range'] 
          make_partial_content(req, res, @local_path, st.size)
          raise HTTPStatus::PartialContent
        else
          mtype = HTTPUtils::mime_type(@local_path, @config[:MimeTypes])
          res['content-type'] = mtype
          res['content-length'] = st.size
          res['last-modified'] = mtime.httpdate
          res.body = open(@local_path, "rb")
        end
      end

# File webrick/httpservlet/filehandler.rb, line 72
      def make_partial_content(req, res, filename, filesize)
        mtype = HTTPUtils::mime_type(filename, @config[:MimeTypes])
        unless ranges = HTTPUtils::parse_range_header(req['range'])
          raise BadRequest, "Unrecognized range-spec: \"#{range}\""
        end
        open(filename, "rb"){|io|
          if ranges.size > 1
            boundary = "#{time.sec}_#{time.usec}_#{Process::pid}"
            body = ''
            ranges.each{|r|
              first, last = prepare_range(range, filesize)
              next if first < 0
              io.pos = first
              content = io.read(last-first+1)
              body << "--" << boundary << CRLF
              body << "Content-Type: #{mtype}" << CRLF
              body << "Content-Range: #{first}-#{last}/#{filesize}" << CRLF
              body << CRLF
              body << content
              body << CRLF
            }
            raise HTTPStatus::RequestRangeNotSatisfiable if body.empty?
            body << "--" << boundary << "--" << CRLF
          elsif range = ranges[0]
            first, last = prepare_range(range, filesize)
            raise HTTPStatus::RequestRangeNotSatisfiable if first < 0
            if last == filesize - 1
              content = io.dup
              content.pos = first
            else
              io.pos = first
              content = io.read(last-first+1)
            end
            res['content-type'] = mtype
            res['content-range'] = "#{first}-#{last}/#{filesize}"
            res['content-length'] = last - first + 1
            res.body = content
          else
            raise HTTPStatus::BadRequest
          end
        }
      end

# File webrick/httpservlet/filehandler.rb, line 47
      def not_modified?(req, res, mtime, etag)
        if ir = req['if-range']
          begin
            if Time.httpdate(ir) >= mtime
              return true
            end
          rescue
            if HTTPUtils::split_header_valie(ir).member?(res['etag'])
              return true
            end
          end
        end

        if (ims = req['if-modified-since']) && Time.parse(ims) >= mtime
          return true
        end

        if (inm = req['if-none-match']) &&
           HTTPUtils::split_header_value(inm).member?(res['etag'])
          return true
        end

        return false
      end

# File webrick/httpservlet/filehandler.rb, line 115
      def prepare_range(range, filesize)
        first = range.first < 0 ? filesize + range.first : range.first
        return -1, -1 if first < 0 || first >= filesize
        last = range.last < 0 ? filesize + range.last : range.last
        last = filesize - 1 if last >= filesize
        return first, last
      end