1 /*
2 * Copyright (c) 2004, 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 5001857
27 * @summary Test queryNames() and queryMBeans() with a buggy DynamicMBean
28 * @author Daniel Fuchs
29 * @modules java.management
30 * @run clean MBeanInfoFailTest
31 * @run build MBeanInfoFailTest
32 * @run main MBeanInfoFailTest
33 */
34
35 import javax.management.*;
36 import java.util.*;
37
38 public class MBeanInfoFailTest {
39
40 public static class UnspeakableException extends RuntimeException {
41 public UnspeakableException(String unspeakableMessage) {
42 super(unspeakableMessage);
43 }
44 }
45
46 public interface ThornyDevilMBean {
47 public boolean isDormant();
48 public void setDormant(boolean sleep);
49 }
50
51 public static class ThornyDevil
52 extends StandardMBean implements ThornyDevilMBean {
53 private boolean sleep=true;
54 public ThornyDevil() throws NotCompliantMBeanException {
55 super(ThornyDevilMBean.class);
56 }
57 public boolean isDormant() {
58 return this.sleep;
59 }
60 public void setDormant(boolean sleep) {
61 this.sleep = sleep;
62 }
63 public MBeanInfo getMBeanInfo() {
64 if (isDormant()) return super.getMBeanInfo();
65 throw new UnspeakableException("The Thorny Devil has awoken!");
66 }
67 }
68
69 public static void printInstances(Set instances) {
70 for (Iterator it1 = instances.iterator(); it1.hasNext();) {
71 final ObjectInstance oi = (ObjectInstance)it1.next();
72 final ObjectName on = oi.getObjectName();
73 final String cn = oi.getClassName();
74 System.err.println(String.valueOf(on) + ": class is " + cn);
75 }
76 }
77
78 public static void main(String[] args) throws Exception {
79 System.out.println("Test queryNames() and queryMBeans() with a "+
80 "buggy DynamicMBean");
81 try {
82 final MBeanServer server = MBeanServerFactory.createMBeanServer();
83
84 final ObjectName troubleKeeper =
85 new ObjectName("ThornyDevil:name=TroubleKeeper");
86 final ObjectName troubleMaker =
87 new ObjectName("ThornyDevil:name=TroubleMaker");
88 final ObjectName thornyPattern =
89 new ObjectName("ThornyDevil:*");
90
91 server.createMBean(ThornyDevil.class.getName(),
92 troubleKeeper);
93 server.createMBean(ThornyDevil.class.getName(),
94 troubleMaker);
95
96 final MBeanInfo info1 = server.getMBeanInfo(troubleKeeper);
97 System.out.println(String.valueOf(troubleKeeper)+" is a " +
98 info1.getClassName());
99 final MBeanInfo info2 = server.getMBeanInfo(troubleMaker);
100 System.out.println(String.valueOf(troubleMaker)+" is a " +
101 info2.getClassName());
102 final Set thorny1 = server.queryNames(thornyPattern,null);
103 if (thorny1.size() != 2) {
104 System.err.println("queryNames(): " +
105 "Expected to find 2 ThornyDevils before" +
106 " trouble started! ");
107 System.err.println("Found "+thorny1.size()+" instead: "+
108 thorny1);
109 System.exit(1);
110 }
111 final Set thornyM1 = server.queryMBeans(thornyPattern,null);
112 if (thornyM1.size() != 2) {
113 System.err.println("queryMBeans(): " +
114 "Expected to find 2 ThornyDevils before" +
115 " trouble started! ");
116 System.err.println("Found "+thornyM1.size()+" instead: ");
117 printInstances(thornyM1);
118 System.exit(2);
119 }
120 for (Iterator it1 = thornyM1.iterator(); it1.hasNext();) {
121 final ObjectInstance oi = (ObjectInstance)it1.next();
122 final ObjectName on = oi.getObjectName();
123 final String cn = oi.getClassName();
124 if (cn == null || !ThornyDevil.class.getName().
125 equals(cn)) {
126 System.err.println("Expected no trouble yet!");
127 System.err.println(String.valueOf(on) + ": class is " +
128 cn);
129 System.exit(3);
130 }
131 System.out.println(String.valueOf(on) + ": class is " + cn);
132 }
133
134 System.out.println("Starting trouble with "+troubleMaker+" ...");
135 ThornyDevilMBean troubleMakerproxy =
136 (ThornyDevilMBean) MBeanServerInvocationHandler.
137 newProxyInstance(server, troubleMaker, ThornyDevilMBean.class,
138 false);
139 troubleMakerproxy.setDormant(false);
140
141 try {
142 final MBeanInfo mbi = server.getMBeanInfo(troubleMaker);
143 System.err.println("No trouble started!: " + mbi);
144 System.exit(2);
145 } catch (Exception x) {
146 if (x.getCause() instanceof UnspeakableException)
147 System.out.println("Trouble started as expected: "
148 + x.getCause());
149 else {
150 System.err.println("Unexpected trouble: " + x.getCause());
151 x.printStackTrace();
152 System.exit(3);
153 }
154 }
155
156 final Set thorny2 = server.queryNames(thornyPattern,null);
157 if (thorny2.size() != 2) {
158 System.err.println("Expected to find 2 ThornyDevils after" +
159 " trouble started! ");
160 System.err.println("Found "+thorny2.size()+" instead: "+
161 thorny2);
162 System.exit(4);
163 }
164
165 final Set thornyM2 = server.queryMBeans(thornyPattern,null);
166 if (thornyM2.size() != 2) {
167 System.err.println("queryMBeans(): " +
168 "Expected to find 2 ThornyDevils after" +
169 " trouble started! ");
170 System.err.println("Found "+thornyM2.size()+" instead: ");
171 printInstances(thornyM2);
172 System.exit(5);
173 }
174 for (Iterator it1 = thornyM2.iterator(); it1.hasNext();) {
175 final ObjectInstance oi = (ObjectInstance)it1.next();
176 final ObjectName on = oi.getObjectName();
177 final String cn = oi.getClassName();
178 if (!on.equals(troubleMaker)) {
179 if (cn == null || !ThornyDevil.class.getName().
180 equals(cn)) {
181 System.err.println("Expected no trouble for " + on);
182 System.err.println(String.valueOf(on) + ": class is " +
183 cn);
184 System.exit(6);
185 }
186 } else {
187 if (cn != null) {
188 System.err.println("Expected trouble for " + on);
189 System.err.println(String.valueOf(on) + ": class is " +
190 cn);
191 System.exit(7);
192 }
193 }
194 System.out.println(String.valueOf(on) + ": class is " + cn);
195 }
196
197 System.out.println("Ahahah! " + troubleMaker +
198 " successfully thwarted!");
199 } catch( Exception x) {
200 System.err.println("Unexpected exception: " + x);
201 x.printStackTrace();
202 System.exit(8);
203 }
204 }
205
206 }