1/*
2 * Copyright (c) 2003, 2015, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 4943248
27 * @summary Tests that NullPointerException is thrown when listener is null.
28 * @author Daniel Fuchs
29 *
30 * @run clean ConnectionListenerNullTest
31 * @run build ConnectionListenerNullTest
32 * @run main ConnectionListenerNullTest
33 */
34import javax.management.remote.JMXConnector;
35import javax.management.remote.JMXServiceURL;
36import javax.management.remote.JMXConnectorFactory;
37import javax.management.Notification;
38import javax.management.NotificationFilter;
39import javax.management.NotificationListener;
40import java.util.Map;
41public class ConnectionListenerNullTest {
42
43    static boolean isPresent(String cn) {
44        try {
45            Class.forName(cn);
46            return true;
47        } catch (ClassNotFoundException x) {
48            return false;
49        }
50    }
51
52    public static int test(String... urls) {
53        int errCount = 0;
54        for (int i=0;i<urls.length;i++) {
55            try {
56                final JMXServiceURL url = new JMXServiceURL(urls[i]);
57                final JMXConnector c =
58                    JMXConnectorFactory.newJMXConnector(url,(Map<String,String>)null);
59                final NotificationListener nl = null;
60                final NotificationFilter   nf = null;
61                final Object               h  = null;
62                System.out.println("Testing " + c.getClass().getName());
63                try {
64                    System.out.println(
65                        "addConnectionNotificationListener(null,null,null)");
66                    c.addConnectionNotificationListener(nl,nf,h);
67                    throw new AssertionError("No exception raised");
68                } catch (NullPointerException npe) {
69                    // OK.
70                }
71                final NotificationListener listener = new
72                   NotificationListener() {
73                     public void handleNotification(Notification notification,
74                                                   Object handback) {
75                   }
76                };
77                c.addConnectionNotificationListener(listener,nf,h);
78                try {
79                    System.out.println(
80                           "removeConnectionNotificationListener(null)");
81                    c.removeConnectionNotificationListener(nl);
82                    throw new AssertionError("No exception raised");
83                } catch (NullPointerException npe) {
84                    // OK.
85                }
86                try {
87                    System.out.println(
88                      "removeConnectionNotificationListener(null,null,null)");
89                    c.removeConnectionNotificationListener(nl,nf,h);
90                    throw new AssertionError("No exception raised");
91                } catch (NullPointerException npe) {
92                    // OK.
93                }
94                c.removeConnectionNotificationListener(listener);
95                System.out.println(c.getClass().getName() +
96                                   " successfully tested.");
97            } catch (Exception x) {
98                System.err.println("Unexpected exception for " +
99                                   urls[i] + ": " + x);
100                x.printStackTrace();
101                errCount++;
102            } catch (AssertionError e) {
103                System.err.println("Unexpected assertion error for " +
104                                   urls[i] + ": " + e);
105                e.printStackTrace();
106                errCount++;
107            }
108        }
109        return errCount;
110    }
111
112    public static void main(String args[]) {
113        int errCount = 0;
114
115        // mandatory
116        errCount += test("service:jmx:rmi://");
117
118        // optional
119        if (isPresent("javax.management.remote.rmi._RMIConnectionImpl_Tie"))
120            errCount += test("service:jmx:iiop://");
121        if (isPresent("javax.management.remote.generic.GenericConnector"))
122            errCount += test("service:jmx:jmxmp://");
123
124        if (errCount > 0) {
125            throw new RuntimeException("ConnectionListenerNullTest failed: " +
126                errCount + " error(s) reported.");
127        }
128        System.out.println("ConnectionListenerNullTest passed.");
129    }
130}
131