1 /*

     2  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package com.sun.jmx.remote.internal;

    27 

    28 import java.util.Properties;

    29 import java.rmi.Remote;

    30 import java.rmi.RemoteException;

    31 import java.rmi.NoSuchObjectException;

    32 

    33 /**

    34  * An interface to a subset of the RMI-IIOP and CORBA APIs to avoid a

    35  * static dependencies on the types defined by these APIs.

    36  */

    37 

    38 public interface IIOPProxy {

    39 

    40     /**

    41      * Returns true if the given object is a Stub.

    42      */

    43     boolean isStub(Object obj);

    44 

    45     /**

    46      * Returns the Delegate to which the given Stub delegates.

    47      */

    48     Object getDelegate(Object stub);

    49 

    50     /**

    51      * Sets the Delegate for a given Stub.

    52      */

    53     void setDelegate(Object stub, Object delegate);

    54 

    55     /**

    56      * Returns the ORB associated with the given stub

    57      *

    58      * @throws  UnsupportedOperationException

    59      *          if the object does not support the operation that

    60      *          was invoked

    61      */

    62     Object getOrb(Object stub);

    63 

    64     /**

    65      * Connects the Stub to the given ORB.

    66      */

    67     void connect(Object stub, Object orb) throws RemoteException;

    68 

    69     /**

    70      * Returns true if the given object is an ORB.

    71      */

    72     boolean isOrb(Object obj);

    73 

    74     /**

    75      * Creates, and returns, a new ORB instance.

    76      */

    77     Object createOrb(String[] args, Properties props);

    78 

    79     /**

    80      * Converts a string, produced by the object_to_string method, back

    81      * to a CORBA object reference.

    82      */

    83     Object stringToObject(Object orb, String str);

    84 

    85     /**

    86      * Converts the given CORBA object reference to a string.

    87      */

    88     String objectToString(Object orb, Object obj);

    89 

    90     /**

    91      * Checks to ensure that an object of a remote or abstract interface

    92      * type can be cast to a desired type.

    93      */

    94     <T> T narrow(Object narrowFrom, Class<T> narrowTo);

    95 

    96     /**

    97      * Makes a server object ready to receive remote calls

    98      */

    99     void exportObject(Remote obj) throws RemoteException;

   100 

   101     /**

   102      * Deregisters a server object from the runtime.

   103      */

   104     void unexportObject(Remote obj) throws NoSuchObjectException;

   105 

   106     /**

   107      * Returns a stub for the given server object.

   108      */

   109     Remote toStub(Remote obj) throws NoSuchObjectException;

   110 }