/* Which protocols does a virtual machine support? */
import java.net.*;
public class ProtocolTester {

  public static void main(String[] args) {
// hypertext transfer protocol
    testProtocol("http://www.adc.org");
// secure http
    testProtocol("https://www.amazon.com/exec/obidos/order2/");
// file transfer protocol
    testProtocol("ftp://metalab.unc.edu/pub/languages/java/javafaq/");
// Simple Mail Transfer Protocol
    testProtocol("mailto:elharo@metalab.unc.edu");
// telnet
    testProtocol("telnet://dibner.poly.edu/");
// local file access
    testProtocol("file:///etc/passwd");
// gopher
    testProtocol("gopher://gopher.anc.org.za/");
// Lightweight Directory Access Protocol
    testProtocol(
"ldap://ldap.itd.umich.edu/o=University%20of%20Michigan,c=US?postalAddress");
// Jar
   testProtocol(
"jar:http://metalab.unc.edu/java/books/javaio/ioexamples/javaio.jar!/com/macfaq/io/StreamCopier.class");
// NFS, Network File System
    testProtocol("nfs://utopia.poly.edu/usr/tmp/");testProtocol("rmi://metalab.unc.edu/RenderEngine");
// custom protocols for HotJava
    testProtocol("doc:/UsersGuide/release.html");
    testProtocol("netdoc:/UsersGuide/release.html");
    testProtocol("systemresource://www.adc.org/+/index.html");
    testProtocol("verbatim:http://www.adc.org/");
  }

  private static void testProtocol(String url) {
    try {
      URL u = new URL(url);
      System.out.println(u.getProtocol() + " is supported");
    }
    catch (MalformedURLException e) {
      String protocol = url.substring(0, url.indexOf(':'));
      System.out.println(protocol + " is not supported");
    }
  }
}