helloevo.java

简单的JXTA源码

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package helloworld;
import java.io.*;
import net.jxta.peergroup.*;
import net.jxta.peergroup.PeerGroupFactory;
import net.jxta.exception.PeerGroupException;
import net.jxta.document.*;
import net.jxta.peer.*;
import net.jxta.discovery.*;
import net.jxta.pipe.*;
import net.jxta.membership.*;
import net.jxta.resolver.*;
/**
 import net.jxta.protocol;
import net.jxta.document;*
 * @author Word List
 */
public class helloworld {

    
    static PeerGroup group;
    static Advertisement pgadv; 
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        helloworld myapp = new helloworld();
        myapp.startJxta();// TODO code application logic here
        System.exit (0);
    }

    private void startJxta()  {
        try { 
            group = PeerGroupFactory.newNetPeerGroup();
        }catch(PeerGroupException e) {
            System.out.println("ER");
            System.exit(1);
        }
        System.out.println("Started helloworld");
        
        pgadv = group.getPeerGroupAdvertisement();
        try {
            StructuredTextDocument doc = (StructuredTextDocument) pgadv.getDocument(new MimeMediaType("text/plain"));
            StringWriter out = new StringWriter();
            doc.sendToWriter(out);
            System.out.println(out.toString());
            out.close();
            
        } catch(Exception ex) {ex.printStackTrace();}
        
        //peergroup service
        PeerGroupID pgid = group.getPeerGroupID();
        System.out.println("pgid = " + pgid);
        
        PeerID pid = group.getPeerID();
        System.out.println("pid = " + pid);
        
        String name = group.getPeerName();
        System.out.println("peer name : " + name);
        
        //Get Core services.
        DiscoveryService disco = group.getDiscoveryService();
        PipeService pipe = group.getPipeService();
        MembershipService member = group.getMembershipService();
        ResolverService resolv = group.getResolverService();
        
        System.out.println("All done.");
    
    }
    
}