1 /*
2 * Copyright 2002-2007 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.management.remote.rmi;
27
28 import java.io.IOException;
29 import java.rmi.Remote;
30 import java.rmi.RemoteException;
31
32 /**
33 * <p>RMI object used to establish connections to an RMI connector.
34 * There is one Remote object implementing this interface for each RMI
35 * connector.</p>
36 *
37 * <p>User code does not usually refer to this interface. It is
38 * specified as part of the public API so that different
39 * implementations of that API will interoperate.</p>
40 *
41 * @since 1.5
42 */
43 public interface RMIServer extends Remote {
44 /**
45 * <p>The version of the RMI Connector Protocol understood by this
46 * connector server. This is a string with the following format:</p>
47 *
48 * <pre>
49 * <em>protocol-version</em> <em>implementation-name</em>
50 * </pre>
51 *
52 * <p>The <code><em>protocol-version</em></code> is a series of
53 * two or more non-negative integers separated by periods
54 * (<code>.</code>). An implementation of the version described
55 * by this documentation must use the string <code>1.0</code>
56 * here.</p>
57 *
58 * <p>After the protocol version there must be a space, followed
59 * by the implementation name. The format of the implementation
60 * name is unspecified. It is recommended that it include an
61 * implementation version number. An implementation can use an
62 * empty string as its implementation name, for example for
63 * security reasons.</p>
64 *
65 * @return a string with the format described here.
66 *
67 * @exception RemoteException if there is a communication
68 * exception during the remote method call.
69 */
70 public String getVersion() throws RemoteException;
71
72 /**
73 * <p>Makes a new connection through this RMI connector. Each
74 * remote client calls this method to obtain a new RMI object
75 * representing its connection.</p>
76 *
77 * @param credentials this object specifies the user-defined credentials
78 * to be passed in to the server in order to authenticate the user before
79 * creating the <code>RMIConnection</code>. Can be null.
80 *
81 * @return the newly-created connection object.
82 *
83 * @exception IOException if the new client object cannot be
84 * created or exported, or if there is a communication exception
85 * during the remote method call.
86 *
87 * @exception SecurityException if the given credentials do not
88 * allow the server to authenticate the caller successfully.
89 */
90 public RMIConnection newClient(Object credentials) throws IOException;
91 }
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