method

if_modified_since

v2_2_9 - Show latest stable - 0 notes - Class: Servlet

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What's this?

if_modified_since(req, res, path = nil) public

Handles the If-Modified-Since HTTP header on req for path. If the file has not been modified a Not Modified response is returned. If the file has been modified a Last-Modified header is added to res.

Show source

# File lib/rdoc/servlet.rb, line 256
  def if_modified_since req, res, path = nil
    last_modified = File.stat(path).mtime if path

    res['last-modified'] = last_modified.httpdate

    return unless ims = req['if-modified-since']

    ims = Time.parse ims

    unless ims < last_modified then
      res.body = ''
      raise WEBrick::HTTPStatus::NotModified
    end
  end

if_modified_since

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