package primer1;

import java.net.*;

/* which protocol does a virtual machine supports */

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://cafeault.org/books/javaio/ioexamples/javaio.jar!"
				+ "/com/macfaq/io/StreamCopier.class");
		
		// NFS, Network File System
		testProtocol("nfs://utopia.poly.edu/usr/tmp/");
		
		// a custom protocol for JDBC
		testProtocol("jdbc:mysql://luna.metalab.unc.edu:3306/NEWS");
		
		// rmi, a custom protocol for remote method invocation
		testProtocol("rmi://metalab.unc.edu/RenderEngine");
		
		// custom protocols for HotJava
		testProtocol("doc:/UserGuide/release.html");
		testProtocol("netdoc:/UserGuide/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 ex){
			String protocol = url.substring(0,url.indexOf(':'));
			System.out.println(protocol + " is not supported");
		}
	}

}