File: MXBeanRefTest.java

package info (click to toggle)
openjdk-11 11.0.4%2B11-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 757,028 kB
  • sloc: java: 5,016,041; xml: 1,191,974; cpp: 934,731; ansic: 555,697; sh: 24,299; objc: 12,703; python: 3,602; asm: 3,415; makefile: 2,772; awk: 351; sed: 172; perl: 114; jsp: 24; csh: 3
file content (161 lines) | stat: -rw-r--r-- 6,184 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/*
 * Copyright (c) 2005, 2015, 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.
 *
 * 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.
 */

/*
 * @test
 * @bug 6296433 6283873
 * @summary Test that inter-MXBean references work as expected.
 * @author Eamonn McManus
 *
 * @run clean MXBeanRefTest
 * @run build MXBeanRefTest
 * @run main MXBeanRefTest
 */

import java.lang.reflect.Proxy;
import java.lang.reflect.UndeclaredThrowableException;
import javax.management.Attribute;
import javax.management.InstanceAlreadyExistsException;
import javax.management.JMX;
import javax.management.MBeanServer;
import javax.management.MBeanServerDelegate;
import javax.management.MBeanServerFactory;
import javax.management.MBeanServerInvocationHandler;
import javax.management.ObjectName;
import javax.management.openmbean.OpenDataException;

public class MXBeanRefTest {
    public static void main(String[] args) throws Exception {
        MBeanServer mbs = MBeanServerFactory.createMBeanServer();
        ObjectName productName = new ObjectName("d:type=Product,n=1");
        ObjectName product2Name = new ObjectName("d:type=Product,n=2");
        ObjectName moduleName = new ObjectName("d:type=Module");
        mbs.registerMBean(product, productName);
        mbs.registerMBean(product2, product2Name);
        mbs.registerMBean(module, moduleName);
        ModuleMXBean moduleProxy =
                JMX.newMXBeanProxy(mbs, moduleName, ModuleMXBean.class);

        ObjectName on;
        on = (ObjectName) mbs.getAttribute(moduleName, "Product");
        check("ObjectName attribute value", on.equals(productName));

        ProductMXBean productProxy = moduleProxy.getProduct();
        MBeanServerInvocationHandler mbsih = (MBeanServerInvocationHandler)
                Proxy.getInvocationHandler(productProxy);
        check("ObjectName in proxy", mbsih.getObjectName().equals(productName));

        mbs.setAttribute(moduleName, new Attribute("Product", product2Name));
        ProductMXBean product2Proxy = module.getProduct();
        mbsih = (MBeanServerInvocationHandler)
                Proxy.getInvocationHandler(product2Proxy);
        check("Proxy after setAttribute",
                mbsih.getObjectName().equals(product2Name));

        moduleProxy.setProduct(productProxy);
        ProductMXBean productProxyAgain = module.getProduct();
        mbsih = (MBeanServerInvocationHandler)
                Proxy.getInvocationHandler(productProxyAgain);
        check("Proxy after proxied set",
                mbsih.getObjectName().equals(productName));

        MBeanServer mbs2 = MBeanServerFactory.createMBeanServer();
        ProductMXBean productProxy2 =
                JMX.newMXBeanProxy(mbs2, productName, ProductMXBean.class);
        try {
            moduleProxy.setProduct(productProxy2);
            check("Proxy for wrong MBeanServer worked but shouldn't", false);
        } catch (Exception e) {
            if (e instanceof UndeclaredThrowableException &&
                    e.getCause() instanceof OpenDataException)
                check("Proxy for wrong MBeanServer correctly rejected", true);
            else {
                e.printStackTrace(System.out);
                check("Proxy for wrong MBeanServer got wrong exception", false);
            }
        }

        // Test 6283873
        ObjectName dup = new ObjectName("a:b=c");
        mbs.registerMBean(new MBeanServerDelegate(), dup);
        try {
            mbs.registerMBean(new ProductImpl(), dup);
            check("Duplicate register succeeded but should fail", false);
        } catch (InstanceAlreadyExistsException e) {
            check("Got correct exception from duplicate name", true);
        } catch (Exception e) {
            e.printStackTrace(System.out);
            check("Got wrong exception from duplicate name", false);
        }

        if (failure != null)
            throw new Exception("TEST FAILED: " + failure);
        System.out.println("TEST PASSED");
    }

    private static void check(String what, boolean ok) {
        if (ok)
            System.out.println("OK: " + what);
        else {
            System.out.println("FAILED: " + what);
            failure = what;
        }
    }

    public static interface ProductMXBean {
        ModuleMXBean[] getModules();
    }

    public static interface ModuleMXBean {
        ProductMXBean getProduct();
        void setProduct(ProductMXBean p);
    }

    public static class ProductImpl implements ProductMXBean {
        public ModuleMXBean[] getModules() {
            return modules;
        }
    }

    public static class ModuleImpl implements ModuleMXBean {
        public ModuleImpl(ProductMXBean p) {
            setProduct(p);
        }

        public ProductMXBean getProduct() {
            return prod;
        }

        public void setProduct(ProductMXBean p) {
            this.prod = p;
        }

        private ProductMXBean prod;
    }

    private static final ProductMXBean product = new ProductImpl();
    private static final ProductMXBean product2 = new ProductImpl();
    private static final ModuleMXBean module = new ModuleImpl(product);
    private static final ModuleMXBean[] modules = new ModuleMXBean[] {module};
    private static String failure;
}