setup.java

JavaTM 2 SDK, Standard Edition Documentation

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package examples.activation; 

import java.rmi.*;
import java.rmi.activation.*;
import java.util.Properties;

public class Setup {

    // This class registers information about the ActivatableImplementation
    // class with rmid and the rmiregistry
    //
    public static void main(String[] args) throws Exception {

	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);

	// The "location" String specifies a URL from where the class   
	// definition will come when this object is requested (activated).
        // 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/";

	// Create the rest of the parameters that will be passed to
	// the ActivationDesc constructor
	//
	MarshalledObject data = null;

        // The location 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.ActivatableImplementation", 
	      location, data);
	
	// Register with rmid
	//
	MyRemoteInterface mri = (MyRemoteInterface)Activatable.register(desc);
	System.out.println("Got the stub for the ActivatableImplementation");
        
	// Bind the stub to a name in the registry running on 1099
	// 
	Naming.rebind("ActivatableImplementation", mri);
	System.out.println("Exported ActivatableImplementation");

	System.exit(0);
    }

}