SingleEntryRegistry.java

/*
 * Copyright (c) 2003, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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
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/* 
 * @COPYRIGHT_MINI_LEGAL_NOTICE_PLACEHOLDER@
 */ 

package sun.management.jmxremote;

import java.rmi.AccessException;
import java.rmi.NotBoundException;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.server.RMIClientSocketFactory;
import java.rmi.server.RMIServerSocketFactory;

import sun.rmi.registry.RegistryImpl;

/** A Registry that consists of a single entry that never changes. */
public class SingleEntryRegistry extends RegistryImpl {
    SingleEntryRegistry(int port, String name, Remote object)
	    throws RemoteException {
	super(port);
	this.name = name;
	this.object = object;
    }

    SingleEntryRegistry(int port,
			RMIClientSocketFactory csf,
			RMIServerSocketFactory ssf,
			String name,
			Remote object)
	    throws RemoteException {
	super(port, csf, ssf);
	this.name = name;
	this.object = object;
    }

    public String[] list() {
	return new String[] {name};
    }

    public Remote lookup(String name) throws NotBoundException {
	if (name.equals(this.name))
	    return object;
	throw new NotBoundException("Not bound: \"" + name + "\" (only " +
				    "bound name is \"" + this.name + "\")");
    }

    public void bind(String name, Remote obj) throws AccessException {
	throw new AccessException("Cannot modify this registry");
    }

    public void rebind(String name, Remote obj) throws AccessException {
	throw new AccessException("Cannot modify this registry");
    }

    public void unbind(String name) throws AccessException {
	throw new AccessException("Cannot modify this registry");
    }

    private final String name;
    private final Remote object;
}