Reading URLs Protected with HTTP Authentication
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.Authenticator;
import java.net.MalformedURLException;
import java.net.PasswordAuthentication;
import java.net.URL;
public class AuthDemo {
public static void main(String args[]) throws MalformedURLException,
IOException {
String urlString = "";
String username = "";
String password = "";
Authenticator.setDefault(new MyAuthenticator(username, password));
URL url = new URL(urlString);
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.");
}
static 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());
}
}
}
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