Test Connection

TestConnection.java

import java.io.*;
import java.net.*;

public class TestConnection {
    public static void main(String[] args) throws IOException {
        if (args.length == 0) {
            System.err.println("Usage " + TestConnection.class.getCanonicalName() + " <url>");
            System.exit(-1);
        }
        URL url = new URL(args[0]);

        URLConnection connection = url.openConnection();
        if (url.getUserInfo() != null) {

            String basicAuth = "Basic "
                               + javax.xml.bind.DatatypeConverter.printBase64Binary(url.getUserInfo().getBytes());
            connection.setRequestProperty("Authorization", basicAuth);
        }
        InputStream inputStream = connection.getInputStream();
        int in;
        System.out.println(url.toExternalForm());
        System.out.println(">>>>");
        while ((in = inputStream.read()) != -1) {
            System.out.write(in);
        }
        System.out.println("");
        System.out.flush();
    }
}

javac TestConnection.java
java TestConnection