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/*
* Copyright (c) 2001, 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 4180282
* @summary RMI needs a mechanism to dynamically change a VMs RMI
* serverHostname. If the java.rmi.server.hostname property is
* changed dynamically, newly exported objects should be exported
* with the new hostname instead of the value of the
* java.rmi.server.hostname property when the first object was exported.
*
* @author Ann Wollrath
*
* @build ChangeHostName ChangeHostName_Stub
* @run main/othervm ChangeHostName
*/
import java.net.InetAddress;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.server.RemoteObject;
import java.rmi.server.UnicastRemoteObject;
public class ChangeHostName
extends UnicastRemoteObject
implements Receiver
{
public ChangeHostName() throws RemoteException {
}
public void receive(Remote obj) {
System.err.println("received: " + obj.toString());
}
public static void main(String[] args) throws Exception {
InetAddress localAddress = InetAddress.getLocalHost();
String[] hostlist = new String[] {
localAddress.getHostAddress(), localAddress.getHostName() };
for (int i = 0; i < hostlist.length; i++) {
System.setProperty("java.rmi.server.hostname", hostlist[i]);
Remote impl = new ChangeHostName();
System.err.println("\ncreated impl extending URO: " + impl);
Receiver stub = (Receiver) RemoteObject.toStub(impl);
System.err.println("stub for impl: " + stub);
System.err.println("invoking method on stub");
stub.receive(stub);
UnicastRemoteObject.unexportObject(impl, true);
System.err.println("unexported impl");
if (stub.toString().indexOf(hostlist[i]) >= 0) {
System.err.println("stub's ref contains hostname: " +
hostlist[i]);
} else {
throw new RuntimeException(
"TEST FAILED: stub's ref doesn't contain hostname: " +
hostlist[i]);
}
}
System.err.println("TEST PASSED");
}
}
interface Receiver extends Remote {
void receive(Remote obj) throws RemoteException;
}
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