This class implements a rule what documents should be
downloaded based on file size and mime type
author: Daniel Matuschek version: $Id: DownloadRule.java,v 1.4 2003/02/25 13:21:03 oliver_schmidt Exp $
matches the given string to the rule string
Parameters: value - a string to test Parameters: rule - rule used (can be a value or "* that willmatch anything true is value is equal to rule or rule is "*"