System.setSecurityManager(new RMISecurityManager());
// Because of the 1.2 security model, a security policy should
// be specified for the ActivationGroup VM. The first argument
// to the Properties put method, inherited from Hashtable, is
// the key and the second is the value
//
Properties props = new Properties();
props.put("java.security.policy",
"/home/rmi_tutorial/activation/policy");
ActivationGroupDesc.CommandEnvironment ace = null;
ActivationGroupDesc exampleGroup = new ActivationGroupDesc(props, ace);
// Once the ActivationGroupDesc has been created, register it
// with the activation system to obtain its ID
//
ActivationGroupID agi =
ActivationGroup.getSystem().registerGroup(exampleGroup);
// Now explicitly create the group
//
ActivationGroup.createGroup(agi, exampleGroup, 0);
// Don't forget the trailing slash at the end of the URL
// or your classes won't be found
//
String location = "file:/home/rmi_tutorial/activation/";
// Pass the file that we want to persist to as the Marshalled
// object
MarshalledObject data = new MarshalledObject (new File(
"/home/rmi_tutorial/activation/persistentObjectStore.ser"));
// The second argument to the ActivationDesc constructor will be used
// to uniquely identify this class; it's location is relative to the
// URL-formatted String, location.
//
ActivationDesc desc = new ActivationDesc
(agi, "examples.activation.MyPersistentClass", location, data);
YetAnotherRemoteInterface yari =
(YetAnotherRemoteInterface)Activatable.register(desc);
System.out.println("Got the stub for MyPersistentClass");
// Bind the stub to a name in the registry running on 1099
//
Naming.rebind("MyPersistentClass", yari);
System.out.println("Exported MyPersistentClass");
System.exit(0);
