1 /*
2 * Copyright (c) 2006, 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 6398884
27 * @summary Test that a method inherited from two different interfaces
28 * appears only once in MBeanInfo.
29 * @author dfuchs
30 *
31 * @run clean TooManyFooTest
32 * @run build TooManyFooTest
33 * @run main TooManyFooTest
34 */
35
36 import java.lang.management.ManagementFactory;
37 import java.lang.reflect.Method;
38 import java.util.Arrays;
39 import java.util.HashMap;
40 import java.util.HashSet;
41 import java.util.Map;
42 import java.util.Set;
43 import java.util.logging.Logger;
44 import javax.management.Descriptor;
45 import javax.management.MBeanInfo;
46 import javax.management.MBeanOperationInfo;
47 import javax.management.MBeanServer;
48 import javax.management.ObjectName;
49 import javax.management.StandardMBean;
50 import javax.management.openmbean.OpenMBeanOperationInfo;
51
52 /**
53 * Class TooManyFooTest
54 * @author Sun Microsystems, 2005 - All rights reserved.
55 */
56 public class TooManyFooTest {
57
58 /**
59 * A logger for this class.
60 **/
61 private static final Logger LOG =
62 Logger.getLogger(TooManyFooTest.class.getName());
63
64 public static class NumberHolder {
65 public Integer getNumber() { return 0;}
66 public void setNumber(Integer n) {};
67 }
68 public static class MyNumberHolder extends NumberHolder {
69
70 }
71 public interface Parent1 {
72 public int foo(); // Both in Parent1 and Parent2
73 public Integer barfoo(); // Subtype in Parent1, Super type in Parent2
74 public Long foobar(); // Subtype in Parent1 & MBean, Super type in
75 // Parent2
76 public Number toofoo(); // Subtype in Parent1, Super type in Parent2
77 // Concrete type in MBean
78 public Object toofoofoo(); // Super type in Parent1, Subtype in Parent2,
79 public NumberHolder toobarbar(); // toofoofoo reversed
80 }
81
82 public interface Parent2 {
83 public int foo(); // Both in Parent1 and Parent2
84 public Number barfoo();
85 public Number foobar();
86 public Object toofoo();
87 public NumberHolder toofoofoo();
88 public Object toobarbar();
89 }
90
91 public interface ChildMBean extends Parent1, Parent2 {
92 public Long foobar();
93 public Long toofoo();
94 }
95
96 public interface ChildMXBean extends Parent1, Parent2 {
97 public Long foobar();
98 public Long toofoo();
99 }
100
101 public interface ChildMixMXBean extends ChildMBean, ChildMXBean {
102 }
103
104 public static class Child implements ChildMBean {
105 public int foo() {return 0;}
106 public Long foobar() {return 0L;}
107 public Long toofoo() {return 0L;}
108 public Integer barfoo() {return 0;}
109 public MyNumberHolder toofoofoo() { return null;}
110 public MyNumberHolder toobarbar() { return null;}
111 }
112
113 public static class ChildMix implements ChildMXBean {
114 public int foo() {return 0;}
115 public Long foobar() {return 0L;}
116 public Long toofoo() {return 0L;}
117 public Integer barfoo() {return 0;}
118 public MyNumberHolder toofoofoo() { return null;}
119 public MyNumberHolder toobarbar() { return null;}
120 }
121
122 public static class ChildMixMix extends Child implements ChildMixMXBean {
123 }
124
125
126 /** Creates a new instance of TooManyFooTest */
127 public TooManyFooTest() {
128 }
129
130 private static final int OPCOUNT;
131 private static final Map<String,String> EXPECTED_TYPES;
132 private static final String[][] type_array = {
133 { "foo", int.class.getName() },
134 { "foobar", Long.class.getName()},
135 { "toofoo", Long.class.getName()},
136 { "barfoo", Integer.class.getName()},
137 { "toofoofoo", NumberHolder.class.getName()},
138 { "toobarbar", NumberHolder.class.getName()},
139 };
140 static {
141 try {
142 final Set<String> declared = new HashSet<String>();
143 for (Method m:Child.class.getDeclaredMethods()) {
144 declared.add(m.getName()+Arrays.asList(m.getParameterTypes()));
145 }
146 final Set<String> exposed = new HashSet<String>();
147 for (Method m:ChildMBean.class.getMethods()) {
148 exposed.add(m.getName()+Arrays.asList(m.getParameterTypes()));
149 }
150 declared.retainAll(exposed);
151 OPCOUNT = declared.size();
152 EXPECTED_TYPES = new HashMap<String,String>();
153 for (String[] st:type_array) {
154 EXPECTED_TYPES.put(st[0],st[1]);
155 }
156 } catch (Exception x) {
157 throw new ExceptionInInitializerError(x);
158 }
159 }
160
161 private static void test(Object child, String name, boolean mxbean)
162 throws Exception {
163 final ObjectName childName =
164 new ObjectName("test:type=Child,name="+name);
165 final MBeanServer server =
166 ManagementFactory.getPlatformMBeanServer();
167 server.registerMBean(child,childName);
168 try {
169 final MBeanInfo info = server.getMBeanInfo(childName);
170 System.out.println(name+": " + info.getDescriptor());
171 final int len = info.getOperations().length;
172 if (len == OPCOUNT) {
173 System.out.println(name+": OK, only "+OPCOUNT+
174 " operations here...");
175 } else {
176 final String qual = (len>OPCOUNT)?"many":"few";
177 System.err.println(name+": Too "+qual+" foos! Found "+
178 len+", expected "+OPCOUNT);
179 for (MBeanOperationInfo op : info.getOperations()) {
180 System.err.println("public "+op.getReturnType()+" "+
181 op.getName()+"();");
182 }
183 throw new RuntimeException("Too " + qual +
184 " foos for "+name);
185 }
186
187 final Descriptor d = info.getDescriptor();
188 final String mxstr = String.valueOf(d.getFieldValue("mxbean"));
189 final boolean mxb =
190 (mxstr==null)?false:Boolean.valueOf(mxstr).booleanValue();
191 System.out.println(name+": mxbean="+mxb);
192 if (mxbean && !mxb)
193 throw new AssertionError("MXBean is not OpenMBean?");
194
195 for (MBeanOperationInfo mboi : info.getOperations()) {
196
197 // Sanity check
198 if (mxbean && !mboi.getName().equals("foo")) {
199 // The spec doesn't guarantee that the MBeanOperationInfo
200 // of an MXBean will be an OpenMBeanOperationInfo, and in
201 // some circumstances in our implementation it will not.
202 // However, in thsi tests, for all methods but foo(),
203 // it should.
204 //
205 if (!(mboi instanceof OpenMBeanOperationInfo))
206 throw new AssertionError("Operation "+mboi.getName()+
207 "() is not Open?");
208 }
209
210 final String exp = EXPECTED_TYPES.get(mboi.getName());
211
212 // For MXBeans, we need to compare 'exp' with the original
213 // type - because mboi.getReturnType() returns the OpenType
214 //
215 String type = (String)mboi.getDescriptor().
216 getFieldValue("originalType");
217 if (type == null) type = mboi.getReturnType();
218 if (type.equals(exp)) continue;
219 System.err.println("Bad return type for "+
220 mboi.getName()+"! Found "+type+
221 ", expected "+exp);
222 throw new RuntimeException("Bad return type for "+
223 mboi.getName());
224 }
225 } finally {
226 server.unregisterMBean(childName);
227 }
228 }
229
230 public static void main(String[] args) throws Exception {
231 final Child child = new Child();
232 test(child,"Child[MBean]",false);
233 final ChildMix childx = new ChildMix();
234 test(childx,"ChildMix[MXBean]",true);
235 final ChildMixMix childmx = new ChildMixMix();
236 test(childmx,"ChildMixMix[MXBean]",false);
237 final StandardMBean schild = new StandardMBean(child,ChildMBean.class);
238 test(schild,"Child[StandarMBean(Child)]",false);
239 final StandardMBean schildx =
240 new StandardMBean(childx,ChildMXBean.class,true);
241 test(schildx,"ChildMix[StandarMXBean(ChildMix)]",true);
242 final StandardMBean schildmx =
243 new StandardMBean(childmx,ChildMixMXBean.class,true);
244 test(schildmx,"ChildMixMix[StandarMXBean(ChildMixMix)]",true);
245 }
246
247 }