1 /*
   2  * Copyright (c) 2005, 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 6332962
  27  * @summary Test that a RequiredModelMBean operation can have a targetObject
  28  * that is not serializable
  29  * @author Eamonn McManus
  30  *
  31  * @modules java.management.rmi
  32  *
  33  * @run clean UnserializableTargetObjectTest
  34  * @run build UnserializableTargetObjectTest
  35  * @run main UnserializableTargetObjectTest
  36  */
  37 
  38 /* This test and DescriptorSupportSerialTest basically cover the same thing.
  39    I wrote them at different times and forgot that I had written the earlier
  40    one.  However the coverage is slightly different so I'm keeping both.  */
  41 
  42 import java.lang.reflect.Method;
  43 import javax.management.Attribute;
  44 import javax.management.Descriptor;
  45 import javax.management.MBeanServer;
  46 import javax.management.MBeanServerConnection;
  47 import javax.management.MBeanServerFactory;
  48 import javax.management.ObjectName;
  49 import javax.management.modelmbean.DescriptorSupport;
  50 import javax.management.modelmbean.ModelMBean;
  51 import javax.management.modelmbean.ModelMBeanAttributeInfo;
  52 import javax.management.modelmbean.ModelMBeanInfo;
  53 import javax.management.modelmbean.ModelMBeanInfoSupport;
  54 import javax.management.modelmbean.ModelMBeanOperationInfo;
  55 import javax.management.modelmbean.RequiredModelMBean;
  56 import javax.management.remote.JMXConnector;
  57 import javax.management.remote.JMXConnectorFactory;
  58 import javax.management.remote.JMXConnectorServer;
  59 import javax.management.remote.JMXConnectorServerFactory;
  60 import javax.management.remote.JMXServiceURL;
  61 
  62 public class UnserializableTargetObjectTest {
  63     public static class Resource { // not serializable!
  64         int count;
  65         int operationCount;
  66 
  67         public void operation() {
  68             operationCount++;
  69         }
  70 
  71         public int getCount() {
  72             return count;
  73         }
  74 
  75         public void setCount(int count) {
  76             this.count = count;
  77         }
  78     }
  79 
  80     public static void main(String[] args) throws Exception {
  81         MBeanServer mbs = MBeanServerFactory.newMBeanServer();
  82         ObjectName name = new ObjectName("a:b=c");
  83         Resource resource1 = new Resource();
  84         Resource resource2 = new Resource();
  85         Resource resource3 = new Resource();
  86         Method operationMethod = Resource.class.getMethod("operation");
  87         Method getCountMethod = Resource.class.getMethod("getCount");
  88         Method setCountMethod = Resource.class.getMethod("setCount", int.class);
  89         Descriptor operationDescriptor =
  90             new DescriptorSupport(new String[] {
  91                                     "descriptorType", "name", "targetObject"
  92                                   }, new Object[] {
  93                                     "operation", "operation", resource1
  94                                   });
  95         Descriptor getCountDescriptor =
  96             new DescriptorSupport(new String[] {
  97                                     "descriptorType", "name", "targetObject"
  98                                   }, new Object[] {
  99                                     "operation", "getCount", resource2
 100                                   });
 101         Descriptor setCountDescriptor =
 102             new DescriptorSupport(new String[] {
 103                                     "descriptorType", "name", "targetObject"
 104                                   }, new Object[] {
 105                                     "operation", "setCount", resource2
 106                                   });
 107         Descriptor countDescriptor =
 108             new DescriptorSupport(new String[] {
 109                                     "descriptorType", "name", "getMethod", "setMethod"
 110                                   }, new Object[] {
 111                                     "attribute", "Count", "getCount", "setCount"
 112                                   });
 113         ModelMBeanOperationInfo operationInfo =
 114             new ModelMBeanOperationInfo("operation description",
 115                                         operationMethod, operationDescriptor);
 116         ModelMBeanOperationInfo getCountInfo =
 117             new ModelMBeanOperationInfo("getCount description",
 118                                         getCountMethod, getCountDescriptor);
 119         ModelMBeanOperationInfo setCountInfo =
 120             new ModelMBeanOperationInfo("setCount description",
 121                                         setCountMethod, setCountDescriptor);
 122         ModelMBeanAttributeInfo countInfo =
 123             new ModelMBeanAttributeInfo("Count", "Count description",
 124                                         getCountMethod, setCountMethod,
 125                                         countDescriptor);
 126         ModelMBeanInfo mmbi =
 127             new ModelMBeanInfoSupport(Resource.class.getName(),
 128                                       "ModelMBean to test targetObject",
 129                                       new ModelMBeanAttributeInfo[] {countInfo},
 130                                       null,  // no constructors
 131                                       new ModelMBeanOperationInfo[] {
 132                                           operationInfo, getCountInfo, setCountInfo
 133                                       },
 134                                       null); // no notifications
 135         ModelMBean mmb = new RequiredModelMBean(mmbi);
 136         mmb.setManagedResource(resource3, "ObjectReference");
 137         mbs.registerMBean(mmb, name);
 138         mbs.invoke(name, "operation", null, null);
 139         mbs.setAttribute(name, new Attribute("Count", 53));
 140         if (resource1.operationCount != 1)
 141             throw new Exception("operationCount: " + resource1.operationCount);
 142         if (resource2.count != 53)
 143             throw new Exception("count: " + resource2.count);
 144         int got = (Integer) mbs.getAttribute(name, "Count");
 145         if (got != 53)
 146             throw new Exception("got count: " + got);
 147 
 148         JMXServiceURL url = new JMXServiceURL("rmi", null, 0);
 149         JMXConnectorServer cs =
 150             JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbs);
 151         cs.start();
 152         JMXServiceURL addr = cs.getAddress();
 153         JMXConnector cc = JMXConnectorFactory.connect(addr);
 154         MBeanServerConnection mbsc = cc.getMBeanServerConnection();
 155         ModelMBeanInfo rmmbi = (ModelMBeanInfo) mbsc.getMBeanInfo(name);
 156         // Above gets NotSerializableException if resource included in
 157         // serialized form
 158         cc.close();
 159         cs.stop();
 160         System.out.println("TEST PASSED");
 161     }
 162 }