Java访问http用户验证

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public class SAXParse {      static final String kuser = "admin";      static final String kpass = "admin";        static class MyAuthenticator extends Authenticator {         @Override         protected PasswordAuthentication getPasswordAuthentication() {             return (new PasswordAuthentication(kuser,kpass.toCharArray()));         }     }     public static void main(String[] args) throws ParserConfigurationException, SAXException, IOException {         Authenticator.setDefault(new MyAuthenticator());         SAXParserFactory factory = SAXParserFactory.newInstance();         SAXParser parser = factory.newSAXParser();         parser.parse("http://172.16.1.15:8161/admin/xml/queues.jsp",new MQHandler());       } }

　　这里使用SAX解析器解析AMQ控制台XML时需要密码验证，除最后三行外，其余代码均为验证代码，这段代码类似外挂程序，哪里需要验证就放在哪里。