1 /*
2 * Copyright (c) 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. 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 package com.sun.management.internal;
26
27 import java.lang.management.ManagementFactory;
28 import java.util.ArrayList;
29 import java.util.Collections;
30 import java.util.HashMap;
31 import java.util.List;
32 import java.util.Map;
33 import java.util.Set;
34 import java.util.stream.Collectors;
35 import java.util.stream.Stream;
36 import javax.management.DynamicMBean;
37 import javax.management.ObjectName;
38 import sun.management.ManagementFactoryHelper;
39 import sun.management.spi.PlatformMBeanProvider;
40
41 public final class PlatformMBeanProviderImpl extends PlatformMBeanProvider {
42 private final List<PlatformComponent<?>> mxbeanList;
43
44 public PlatformMBeanProviderImpl() {
45 mxbeanList = Collections.unmodifiableList(init());
46 }
47
48 @Override
49 public List<PlatformComponent<?>> getPlatformComponentList() {
50 return mxbeanList;
51 }
52
53 private List<PlatformComponent<?>> init() {
54 ArrayList<PlatformComponent<?>> initMBeanList = new ArrayList<>();
55 /**
56 * Garbage Collector in the Java virtual machine.
57 */
58 initMBeanList.add(new PlatformComponent<java.lang.management.MemoryManagerMXBean>() {
59 private final Set<String> garbageCollectorMXBeanInterfaceNames
60 = Collections.unmodifiableSet(
61 Stream.of("java.lang.management.MemoryManagerMXBean",
62 "java.lang.management.GarbageCollectorMXBean",
63 "com.sun.management.GarbageCollectorMXBean")
64 .collect(Collectors.toSet()));
65
66 @Override
67 public Set<Class<? extends java.lang.management.MemoryManagerMXBean>> mbeanInterfaces() {
68 return Stream.of(java.lang.management.MemoryManagerMXBean.class,
69 java.lang.management.GarbageCollectorMXBean.class,
70 com.sun.management.GarbageCollectorMXBean.class)
71 .collect(Collectors.toSet());
72 }
73
74 @Override
75 public Set<String> mbeanInterfaceNames() {
76 return garbageCollectorMXBeanInterfaceNames;
77 }
78
79 @Override
80 public String getObjectNamePattern() {
81 return ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",name=*";
82 }
83
84 @Override
85 public boolean isSingleton() {
86 return false; // zero or more instances
87 }
88
89 @Override
90 public Map<String, java.lang.management.MemoryManagerMXBean> nameToMBeanMap() {
91 List<java.lang.management.GarbageCollectorMXBean> list
92 = ManagementFactoryHelper.getGarbageCollectorMXBeans();;
93 Map<String, java.lang.management.MemoryManagerMXBean> map;
94 if (list.isEmpty()) {
95 map = Collections.<String, java.lang.management.MemoryManagerMXBean>emptyMap();
96 } else {
97 map = new HashMap<>(list.size());
98 for (java.lang.management.MemoryManagerMXBean gcm : list) {
99 map.put(gcm.getObjectName().getCanonicalName(),
100 gcm);
101 }
102 }
103 return map;
104 }
105 });
106
107 /**
108 * OperatingSystemMXBean
109 */
110 initMBeanList.add(new PlatformComponent<java.lang.management.OperatingSystemMXBean>() {
111 private final Set<String> operatingSystemMXBeanInterfaceNames
112 = Collections.unmodifiableSet(
113 Stream.of("java.lang.management.OperatingSystemMXBean",
114 "com.sun.management.OperatingSystemMXBean",
115 "com.sun.management.UnixOperatingSystemMXBean")
116 .collect(Collectors.toSet()));
117
118 @Override
119 public Set<Class<? extends java.lang.management.OperatingSystemMXBean>> mbeanInterfaces() {
120 return Stream.of(java.lang.management.OperatingSystemMXBean.class,
121 com.sun.management.OperatingSystemMXBean.class,
122 com.sun.management.UnixOperatingSystemMXBean.class)
123 .collect(Collectors.toSet());
124 }
125
126 @Override
127 public Set<String> mbeanInterfaceNames() {
128 return operatingSystemMXBeanInterfaceNames;
129 }
130
131 @Override
132 public String getObjectNamePattern() {
133 return ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME;
134 }
135
136 @Override
137 public Map<String, java.lang.management.OperatingSystemMXBean> nameToMBeanMap() {
138 return Collections.<String, java.lang.management.OperatingSystemMXBean>singletonMap(
139 ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME,
140 ManagementFactoryHelper.getOperatingSystemMXBean());
141 }
142 });
143
144 /**
145 * Diagnostic support for the HotSpot Virtual Machine.
146 */
147 initMBeanList.add(new PlatformComponent<com.sun.management.HotSpotDiagnosticMXBean>() {
148 private final Set<String> hotSpotDiagnosticMXBeanInterfaceNames =
149 Collections.unmodifiableSet(Collections.<String>singleton("com.sun.management.HotSpotDiagnosticMXBean"));
150
151 @Override
152 public Set<Class<? extends com.sun.management.HotSpotDiagnosticMXBean>> mbeanInterfaces() {
153 return Collections.singleton(com.sun.management.HotSpotDiagnosticMXBean.class);
154 }
155
156 @Override
157 public Set<String> mbeanInterfaceNames() {
158 return hotSpotDiagnosticMXBeanInterfaceNames;
159 }
160
161 @Override
162 public String getObjectNamePattern() {
163 return "com.sun.management:type=HotSpotDiagnostic";
164 }
165
166 @Override
167 public Map<String, com.sun.management.HotSpotDiagnosticMXBean> nameToMBeanMap() {
168 return Collections.<String, com.sun.management.HotSpotDiagnosticMXBean>singletonMap(
169 "com.sun.management:type=HotSpotDiagnostic",
170 ManagementFactoryHelper.getDiagnosticMXBean());
171 }
172 });
173
174 /**
175 * DynamicMBean
176 */
177 HashMap<ObjectName, DynamicMBean> dynmbeans
178 = ManagementFactoryHelper.getPlatformDynamicMBeans();
179 final Set<String> dynamicMBeanInterfaceNames =
180 Collections.unmodifiableSet(Collections.<String>singleton("javax.management.DynamicMBean"));
181 for (Map.Entry<ObjectName, DynamicMBean> e : dynmbeans.entrySet()) {
182 initMBeanList.add(new PlatformComponent<DynamicMBean>() {
183 @Override
184 public Set<String> mbeanInterfaceNames() {
185 return dynamicMBeanInterfaceNames;
186 }
187
188 @Override
189 public Set<Class<? extends DynamicMBean>> mbeanInterfaces() {
190 return Collections.emptySet(); // DynamicMBean cannot be used to find an MBean by ManagementFactory
191 }
192
193 @Override
194 public String getObjectNamePattern() {
195 return e.getKey().getCanonicalName();
196 }
197
198 @Override
199 public Map<String, DynamicMBean> nameToMBeanMap() {
200 return Collections.<String, DynamicMBean>singletonMap(
201 e.getKey().getCanonicalName(),
202 e.getValue());
203 }
204 });
205 }
206 initMBeanList.trimToSize();
207 return initMBeanList;
208 }
209 }