code: public ChangeSet read(final InputStream inputStream) throws SAXException,
                                                             IOException {
          return (ChangeSet) this.parser.read( inputStream );
      }
docs: Read a <code>RuleSet</code> from an <code>InputStream</code>.
  
  @param inputStream
  The input-stream containing the rule-set.
  
  @return The rule-set.