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Java example source code file (UseCustomSocketFactory.java)

This example Java source code file (UseCustomSocketFactory.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

client, exception, helloimpl, helloserver, javavm, locateregistry, registry, remoteexception, rmi, rmiserversocket, runtimeexception, string, usecustomsocketfactory

The UseCustomSocketFactory.java Java example source code

/*
 * Copyright (c) 1998, 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 4148850
 *
 * @summary synopsis: need to obtain remote references securely
 *
 * @author Laird Dornin; code borrowed from Ann Wollrath
 *
 * @library ../../../../testlibrary
 * @build TestLibrary Compress Hello HelloImpl HelloImpl_Stub
 * @run main/othervm/policy=security.policy/timeout=240 UseCustomSocketFactory
 */

import java.io.*;
import java.rmi.*;
import java.rmi.server.*;
import java.rmi.registry.*;

/**
 * Test ensures that the rmiregistry is capable of running over customx
 * (i.e. compression) client and server socket factories.
 */
public class UseCustomSocketFactory {

    Hello hello = null;

    public static void main(String[] args) {

        Registry registry = null;
        HelloImpl impl = null;

        System.out.println("\nRegression test for bug 4148850\n");

        TestLibrary.suggestSecurityManager("java.rmi.RMISecurityManager");
        int registryPort = TestLibrary.getUnusedRandomPort();

        try {
            impl = new HelloImpl();

            /* Make sure that the rmiregistry can communicate over a
             * custom socket.  Ensure that the functionality exists to
             * allow the rmiregistry to be secure.
             */
            registry = LocateRegistry.
                createRegistry(registryPort,
                               new Compress.CompressRMIClientSocketFactory(),
                               new Compress.CompressRMIServerSocketFactory());
            registry.rebind("/HelloServer", impl);
            checkStub(registry, "RMIServerSocket");

        } catch (Exception e) {
            TestLibrary.bomb("creating registry", e);
        }

        JavaVM serverVM = new JavaVM("HelloImpl",
                                     "-Djava.security.policy=" +
                                     TestParams.defaultPolicy +
                                     " -Drmi.registry.port=" +
                                     registryPort,
                                     "");

        try {

            /*
             * spawn VM for HelloServer which will download a client socket
             * factory
             */
            serverVM.start();

            synchronized (impl) {

                System.out.println("waiting for remote notification");

                if (!HelloImpl.clientCalledSuccessfully) {
                    impl.wait(75 * 1000);
                }

                if (!HelloImpl.clientCalledSuccessfully) {
                    throw new RuntimeException("Client did not execute call in time...");
                }
            }

            System.err.println("\nRegression test for bug 4148850 passed.\n ");

        } catch (Exception e) {
            TestLibrary.bomb("test failed", e);

        } finally {
            serverVM.destroy();
            try {
                registry.unbind("/HelloServer");
            } catch (Exception e) {
                TestLibrary.bomb("unbinding HelloServer", e);
            }
            TestLibrary.unexport(registry);
            TestLibrary.unexport(impl);
            impl = null;
            registry = null;
        }
    }

    static void checkStub(Object stub, String toCheck) throws RemoteException {
        System.err.println("Ensuring that the stub contains a socket factory string: " +
                           toCheck);
        System.err.println(stub);
        if (stub.toString().indexOf(toCheck) < 0) {
            throw new RemoteException("RemoteStub.toString() did not contain instance of "
                                      + toCheck);
        }
    }
}

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