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package Examples.C_Peers_And_PeerGroups;
import Examples.Z_Tools_And_Others.Tools;
import java.io.File;
import java.io.IOException;
import net.jxta.document.MimeMediaType;
import net.jxta.document.XMLElement;
import net.jxta.exception.PeerGroupException;
import net.jxta.id.IDFactory;
import net.jxta.impl.content.ContentServiceImpl;
import net.jxta.impl.peergroup.CompatibilityUtils;
import net.jxta.impl.peergroup.StdPeerGroup;
import net.jxta.impl.peergroup.StdPeerGroupParamAdv;
import net.jxta.membership.MembershipService;
import net.jxta.peer.PeerID;
import net.jxta.peergroup.PeerGroup;
import net.jxta.peergroup.PeerGroupID;
import net.jxta.platform.Module;
import net.jxta.platform.NetworkManager;
import net.jxta.protocol.ModuleImplAdvertisement;
public class _220_Creating_A_Custom_PeerGroup_Example {
public static final String Name = "Example 220";
public static final PeerID PID = IDFactory.newPeerID(PeerGroupID.defaultNetPeerGroupID, Name.getBytes());
public static final File ConfigurationFile = new File("." + System.getProperty("file.separator") + Name);
public static final String PeerGroupName = "Custom peer group name";
public static final PeerGroupID CustPeerGroupID = IDFactory.newPeerGroupID(PeerGroupID.defaultNetPeerGroupID, PeerGroupName.getBytes());
public static void main(String[] args) {
try {
// Removing any existing configuration?
Tools.CheckForExistingConfigurationDeletion(Name, ConfigurationFile);
// Creation of the network manager
NetworkManager MyNetworkManager = new NetworkManager(NetworkManager.ConfigMode.EDGE,
Name, ConfigurationFile.toURI());
// Starting the network
PeerGroup MyNetPeerGroup = MyNetworkManager.startNetwork();
// Creating a child group with PSE
PeerGroup ChildPeerGroup = MyNetPeerGroup.newGroup(
CustPeerGroupID,
createAllPurposePeerGroupImplAdv(),
PeerGroupName,
"Custom peergroup..."
);
if (Module.START_OK != ChildPeerGroup.startApp(new String[0]))
System.err.println("Cannot start custom peergroup");
// Checking membership implementation
MembershipService ChildGroupMembership = ChildPeerGroup.getMembershipService();
Tools.PopInformationMessage(Name, "Custom group membership implementation:\n"
+ ChildGroupMembership.getClass().getSimpleName());
// Stopping the network
Tools.PopInformationMessage(Name, "Stop the JXTA network");
MyNetworkManager.stopNetwork();
} catch (PeerGroupException Ex) {
Tools.PopErrorMessage(Name, Ex.toString());
} catch (IOException Ex) {
Tools.PopErrorMessage(Name, Ex.toString());
}
}
public static ModuleImplAdvertisement createAllPurposePeerGroupImplAdv() {
ModuleImplAdvertisement implAdv = CompatibilityUtils.createModuleImplAdvertisement(
PeerGroup.allPurposePeerGroupSpecID, StdPeerGroup.class.getName(),
"General Purpose Peer Group");
// Create the service list for the group.
StdPeerGroupParamAdv paramAdv = new StdPeerGroupParamAdv();
// set the services
paramAdv.addService(PeerGroup.endpointClassID, PeerGroup.refEndpointSpecID);
paramAdv.addService(PeerGroup.resolverClassID, PeerGroup.refResolverSpecID);
paramAdv.addService(PeerGroup.membershipClassID, PeerGroup.refMembershipSpecID);
paramAdv.addService(PeerGroup.accessClassID, PeerGroup.refAccessSpecID);
// standard services
paramAdv.addService(PeerGroup.discoveryClassID, PeerGroup.refDiscoverySpecID);
paramAdv.addService(PeerGroup.rendezvousClassID, PeerGroup.refRendezvousSpecID);
paramAdv.addService(PeerGroup.pipeClassID, PeerGroup.refPipeSpecID);
paramAdv.addService(PeerGroup.peerinfoClassID, PeerGroup.refPeerinfoSpecID);
paramAdv.addService(PeerGroup.contentClassID, ContentServiceImpl.MODULE_SPEC_ID);
// Insert the newParamAdv in implAdv
XMLElement paramElement = (XMLElement) paramAdv.getDocument(MimeMediaType.XMLUTF8);
implAdv.setParam(paramElement);
return implAdv;
}
}