package unique;

import common.FileClassifier;
import common.MIMEType;

import java.rmi.RMISecurityManager;
import net.jini.discovery.LookupDiscovery;
import net.jini.discovery.DiscoveryListener;
import net.jini.discovery.DiscoveryEvent;
import net.jini.core.lookup.ServiceRegistrar;
import net.jini.core.lookup.ServiceTemplate;
import net.jini.core.lookup.ServiceMatches;
import net.jini.core.lookup.ServiceItem;
import net.jini.core.lookup.ServiceID;

import java.util.Vector;

/**
 * TestFileClassifier.java
 *
 *
 * Created: Wed Mar 17 14:29:15 1999
 *
 * @author Jan Newmarch
 * @version 1.3
 *    moved sleep() from constructor to main()
 *    moved to package client
 *    simplified Class.forName to Class.class
 */

public class TestFileClassifier implements DiscoveryListener {

    protected Vector serviceIDs = new Vector();

    public static void main(String argv[]) {
	new TestFileClassifier();

        // stay around long enough to receive replies
        try {
            Thread.currentThread().sleep(10000L);
        } catch(java.lang.InterruptedException e) {
            // do nothing
        }
    }

    public TestFileClassifier() {
	System.setSecurityManager(new RMISecurityManager());

	LookupDiscovery discover = null;
        try {
            discover = new LookupDiscovery(LookupDiscovery.ALL_GROUPS);
        } catch(Exception e) {
            System.err.println(e.toString());
            System.exit(1);
        }

        discover.addDiscoveryListener(this);

    }
    
    public void discovered(DiscoveryEvent evt) {

        ServiceRegistrar[] registrars = evt.getRegistrars();
	Class [] classes = new Class[] {FileClassifier.class};
	FileClassifier classifier = null;
	ServiceTemplate template = new ServiceTemplate(null, classes, 
						       null);
 
        for (int n = 0; n < registrars.length; n++) {
	    System.out.println("Service found");
            ServiceRegistrar registrar = registrars[n];
	    ServiceMatches matches = null;
	    try {
		 matches = registrar.lookup(template, 10);
	    } catch(java.rmi.RemoteException e) {
		e.printStackTrace();
		continue;
	    }

	    ServiceItem[] items = matches.items;
	    for (int m = 0; m < items.length; m++) {
		ServiceID id = items[m].serviceID;
		if (serviceIDs.indexOf(id) != -1) {
		    // found a new serviceID - record it and use it
		    classifier = (FileClassifier) items[m].service;
		    if (classifier == null) {
			System.out.println("Classifier null");
			continue;
		    }

		    serviceIDs.add(id);

		    MIMEType type;
		    try {
			type = classifier.getMIMEType("file1.txt");
			System.out.println("Type is " + type.toString());
		    } catch(java.rmi.RemoteException e) {
			System.err.println(e.toString());
		    }
		}
	    }
	}
    }

    public void discarded(DiscoveryEvent evt) {
	// empty
    }
} // TestFileClassifier