DOMConfigurator.java 文件源码

/**
 * Configure log4j by reading in a log4j.dtd compliant XML configuration file.
 */
private void doConfigure(final InputSource inputSource, final LoggerRepository repository)
        throws FactoryConfigurationError {

   if (inputSource.getSystemId() == null) {
      inputSource.setSystemId("dummy://log4j.dtd");
   }
   final ParseAction action = new ParseAction() {

      public Document parse(final DocumentBuilder parser) throws SAXException, IOException {

         return parser.parse(inputSource);
      }


      public String toString() {

         //noinspection ObjectToString
         return "input source [" + inputSource + ']';
      }
   };
   doConfigure(action, repository);
}