| /* |
| * 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @author Sun Microsystems, Inc. |
| * @build @BUILD_TAG_PLACEHOLDER@ |
| * |
| * @COPYRIGHT_MINI_LEGAL_NOTICE_PLACEHOLDER@ |
| */ |
| |
| package sun.management.jmxremote; |
| |
| import java.io.ObjectInputFilter; |
| 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, SingleEntryRegistry::singleRegistryFilter); |
| 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"); |
| } |
| |
| /** |
| * ObjectInputFilter to check parameters to SingleEntryRegistry. |
| * Since it is a read-only Registry, no classes are accepted. |
| * String arguments are accepted without passing them to the serialFilter. |
| * |
| * @param info a reference to the serialization filter information |
| * @return Status.REJECTED if parameters are out of range |
| */ |
| private static ObjectInputFilter.Status singleRegistryFilter(ObjectInputFilter.FilterInfo info) { |
| return (info.serialClass() != null || |
| info.depth() > 2 || |
| info.references() > 4 || |
| info.arrayLength() >= 0) |
| ? ObjectInputFilter.Status.REJECTED |
| : ObjectInputFilter.Status.ALLOWED; |
| } |
| |
| private final String name; |
| private final Remote object; |
| |
| private static final long serialVersionUID = -4897238949499730950L; |
| } |