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/*
* 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.
*/
/*
*/
import java.rmi.*;
import java.rmi.activation.*;
import java.rmi.server.*;
import java.security.CodeSource;
import java.net.URL;
public class EchoImpl
extends Activatable
implements Echo, Runnable
{
private static final byte[] pattern = { (byte) 'A' };
/**
* Initialization constructor.
*/
public EchoImpl(String protocol)
throws ActivationException, RemoteException
{
super(null, makeMarshalledObject(protocol), false, 0,
new MultiSocketFactory.ClientFactory(protocol, pattern),
new MultiSocketFactory.ServerFactory(protocol, pattern));
}
/**
* Activation constructor.
*/
public EchoImpl(ActivationID id, MarshalledObject obj)
throws RemoteException
{
super(id, 0,
new MultiSocketFactory.ClientFactory(getProtocol(obj), pattern),
new MultiSocketFactory.ServerFactory(getProtocol(obj), pattern));
}
private static MarshalledObject makeMarshalledObject(String protocol) {
MarshalledObject obj = null;
try {
obj = new MarshalledObject(protocol);
} catch (Exception willNotHappen) {
}
return obj;
}
private static String getProtocol(MarshalledObject obj) {
String protocol = "";
try {
protocol = (String) obj.get();
} catch (Exception willNotHappen) {
}
return protocol;
}
public byte[] echoNot(byte[] data) {
byte[] result = new byte[data.length];
for (int i = 0; i < data.length; i++)
result[i] = (byte) ~data[i];
return result;
}
/**
* Spawns a thread to deactivate the object.
*/
public void shutdown() throws Exception
{
(new Thread(this,"Echo.shutdown")).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();
System.setSecurityManager(new RMISecurityManager());
try {
String protocol = "";
if (args.length >= 1)
protocol = args[0];
System.out.println("EchoServer: creating remote object");
ActivationGroupDesc groupDesc =
new ActivationGroupDesc(null, null);
ActivationSystem system = ActivationGroup.getSystem();
ActivationGroupID groupID = system.registerGroup(groupDesc);
ActivationGroup.createGroup(groupID, groupDesc, 0);
EchoImpl impl = new EchoImpl(protocol);
int registryPort = Integer.parseInt(System.getProperty("rmi.registry.port"));
System.out.println("EchoServer: binding in registry on port:" + registryPort);
Naming.rebind("//:" + registryPort +
"/EchoServer", impl);
System.out.println("EchoServer ready.");
} catch (Exception e) {
System.err.println("EXCEPTION OCCURRED:");
e.printStackTrace();
}
}
}
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