我想在我的JSP代码中使用HTTP身份验证。但是我的MyAuthenticator错误无法解析为类型。 sytax对于我在jsp页面中具有书写的代码是否正确。任何建议将不胜感激。无法解析为类型
<%@ page language="java" import="java.net.Authenticator,java.net.PasswordAuthentication,java.io.BufferedReader,java.net.*,java.io.*" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%
String urlToQuery = request.getParameter("url");
System.out.println(" " +urlToQuery);
//URL url = new URL(urlToQuery);
//InputStream in = conn.getInputStream();
String urlString = "";
String username = "";
String password = "";
Authenticator.setDefault(new MyAuthenticator(username, password));
URL url = new URL(urlToQuery);
URLConnection conn = url.openConnection();
InputStream content = (InputStream) url.getContent();
BufferedReader in = new BufferedReader(new InputStreamReader(content));
String line;
while ((line = in.readLine()) != null) {
System.out.println(line);
}
System.out.println("Done.");
class MyAuthenticator extends Authenticator {
private String username, password;
public MyAuthenticator(String user, String pass) {
username = user;
password = pass;
}
protected PasswordAuthentication getPasswordAuthentication() {
System.out.println("Requesting Host : " + getRequestingHost());
System.out.println("Requesting Port : " + getRequestingPort());
System.out.println("Requesting Prompt : " + getRequestingPrompt());
System.out.println("Requesting Protocol: " + getRequestingProtocol());
System.out.println("Requesting Scheme : " + getRequestingScheme());
System.out.println("Requesting Site : " + getRequestingSite());
return new PasswordAuthentication(username, password.toCharArray());
}
}
%>
<%=line %>
MyAuthenticator的导入声明在哪里? – adarshr
@adarshr,我认为MyAuthenticator将进入Authenticator,并且我已经包含Authenticator的导入。并且语法对于我在jsp中编写的代码是正确的? – ferhan
@adarshr,他已经在JSP中定义了类......再往下看。 – SJuan76