Java example source code file (CreatePrivateActivatable.java)

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Java - Java tags/keywords

activateme, activationdesc, activationexception, activationgroupdesc, activationgroupid, activationsystem, createprivateactivatable, exception, object, privateactivatable, properties, reflection, rmi, rmid, runnable, thread, util

The CreatePrivateActivatable.java Java example source code

/*
 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/* @test
 * @bug 4164971
 * @summary allow non-public activatable class and/or constructor
 * @author Laird Dornin
 *
 * @library ../../../testlibrary
 * @build TestLibrary RMID ActivateMe
 * @run main/othervm/policy=security.policy/timeout=240 CreatePrivateActivatable
 */

import java.io.*;
import java.rmi.*;
import java.rmi.server.*;
import java.rmi.activation.*;
import sun.rmi.server.ActivatableRef;
import java.lang.reflect.*;
import java.util.Properties;

/**
 * Test creates a private inner class Activatable object with a
 * private constructor and makes sure that the object can be
 * activated.
 */
public class CreatePrivateActivatable
{
    private static class PrivateActivatable extends Activatable
        implements ActivateMe, Runnable
    {
        private PrivateActivatable(ActivationID id, MarshalledObject obj)
            throws ActivationException, RemoteException
        {
            super(id, 0);
        }

        public void ping()
        {}

        /**
         * Spawns a thread to deactivate the object.
         */
        public void shutdown() throws Exception
        {
            (new Thread(this, "CreatePrivateActivatable$PrivateActivatable")).start();
        }

        /**
         * Thread to deactivate object. First attempts to make object
         * inactive (via the inactive method).  If that fails (the
         * object may still have pending/executing calls), then
         * unexport the object forcibly.
         */
        public void run() {
            ActivationLibrary.deactivate(this, getID());
        }
    }

    public static void main(String[] args)  {
        /*
         * The following line is required with the JDK 1.2 VM so that the
         * VM can exit gracefully when this test completes.  Otherwise, the
         * conservative garbage collector will find a handle to the server
         * object on the native stack and not clear the weak reference to
         * it in the RMI runtime's object table.
         */
        Object dummy = new Object();
        RMID rmid = null;
        ActivateMe obj;

        System.err.println("\nRegression test for bug 4164971\n");
        System.err.println("java.security.policy = " +
                           System.getProperty("java.security.policy", "no policy"));

        CreatePrivateActivatable server;
        try {
            TestLibrary.suggestSecurityManager(TestParams.defaultSecurityManager);

            // start an rmid.
            RMID.removeLog();
            rmid = RMID.createRMID();
            rmid.start();

            /* Cause activation groups to have a security policy that will
             * allow security managers to be downloaded and installed
             */
            Properties p = new Properties();
            // this test must always set policies/managers in its
            // activation groups
            p.put("java.security.policy",
                  TestParams.defaultGroupPolicy);
            p.put("java.security.manager",
                  TestParams.defaultSecurityManager);

            /*
             * Activate an object by registering its object
             * descriptor and invoking a method on the
             * stub returned from the register call.
             */
            ActivationGroupDesc groupDesc =
                new ActivationGroupDesc(p, null);
            ActivationSystem system = ActivationGroup.getSystem();
            ActivationGroupID groupID = system.registerGroup(groupDesc);

            System.err.println("Creating descriptor");
            ActivationDesc desc =
                new ActivationDesc(groupID,
                    "CreatePrivateActivatable$PrivateActivatable",
                     null, null);

            System.err.println("Registering descriptor");
            obj = (ActivateMe) Activatable.register(desc);

            /*
             * Loop a bunch of times to force activator to
             * spawn VMs (groups)
             */
            System.err.println("Activate object via method call");
            obj.ping();

            /*
             * Clean up object too.
             */
            System.err.println("Deactivate object via method call");
            obj.shutdown();

            System.err.println("\nsuccess: CreatePrivateActivatable test passed ");

        } catch (Exception e) {
            if (e instanceof java.security.PrivilegedActionException) {
                e = ((java.security.PrivilegedActionException)e).getException();
            }
            TestLibrary.bomb("\nfailure: unexpected exception " +
                             e.getClass().getName(), e);

        } finally {
            ActivationLibrary.rmidCleanup(rmid);
            obj = null;
        }
    }
}