try {
// create and start the default jxta NetPeerGroup
group = PeerGroupFactory.newNetPeerGroup();
} catch (PeerGroupException e) {
// could not instantiate the group; print the stack and exit
System.out.println("Fatal error : creating the net PeerGroup");
System.exit(1);
}
System.out.println("Started Hello World");
// get the PeerGroup Advertisement
pgadv = group.getPeerGroupAdvertisement();
try {
// Print out the PeerGroup Advertisement Document
// To do so, we must convert it to a text document with
// whatever MIME type we want. First, we'll print it as
// a plain text document.
StructuredTextDocument doc = (StructuredTextDocument)
pgadv.getDocument(new MimeMediaType("text/plain"));
// Now that we have a plain text document
// we can print the document via the StructuredTextDocument
// senddtoWriter method
StringWriter out = new StringWriter();
doc.sendToWriter(out);
System.out.println(out.toString());
out.close();
// For comparison, now we'll do the same thing but print it
// out as an XML document.
StructuredTextDocument adoc = (StructuredTextDocument)
pgadv.getDocument(new MimeMediaType("text/xml"));
StringWriter aout = new StringWriter();
adoc.sendToWriter(aout);
System.out.println(aout.toString());
aout.close();
// Now we'll access the PeerGroup service
// and get various information from it
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 the core services. We don't use the core services
// in this example, but this is how you retrieve them if
// you need them.
disco = group.getDiscoveryService();
pipe = group.getPipeService();
member = group.getMembershipService();
resolv = group.getResolverService();
System.out.println("All done");
} catch (Exception ex) {
ex.printStackTrace();
}