1 /* 2 * Copyright (c) 2005, 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 6331783 27 * @summary Test that MBeanServer.queryNames doesn't call getMBeanInfo on every 28 * resultant MBean when there is no security manager installed. 29 * @author Luis-Miguel Alventosa 30 * @run clean AvoidGetMBeanInfoCallsTest 31 * @run build AvoidGetMBeanInfoCallsTest 32 * @run main AvoidGetMBeanInfoCallsTest 33 */ 34 35 import java.util.Set; 36 import javax.management.Attribute; 37 import javax.management.AttributeList; 38 import javax.management.AttributeNotFoundException; 39 import javax.management.DynamicMBean; 40 import javax.management.InvalidAttributeValueException; 41 import javax.management.MBeanException; 42 import javax.management.MBeanInfo; 43 import javax.management.MBeanServer; 44 import javax.management.MBeanServerFactory; 45 import javax.management.ObjectName; 46 import javax.management.ReflectionException; 47 48 public class AvoidGetMBeanInfoCallsTest { 49 50 /** 51 * Test DynamicMBean class 52 */ 53 public static class Test implements DynamicMBean { 54 55 public Object getAttribute(String attribute) 56 throws AttributeNotFoundException, 57 MBeanException, 58 ReflectionException { 59 return null; 60 } 61 62 public void setAttribute(Attribute attribute) 63 throws AttributeNotFoundException, 64 InvalidAttributeValueException, 65 MBeanException, 66 ReflectionException { 67 } 68 69 public AttributeList getAttributes(String[] attributes) { 70 return null; 71 } 72 73 public AttributeList setAttributes(AttributeList attributes) { 74 return null; 75 } 76 77 public Object invoke(String actionName, 78 Object params[], 79 String signature[]) 80 throws MBeanException, 81 ReflectionException { 82 return null; 83 } 84 85 public MBeanInfo getMBeanInfo() { 86 entered = true; 87 return new MBeanInfo(Test.class.getName(), 88 "Test description", 89 null, null, null, null); 90 } 91 92 public boolean entered; 93 } 94 95 /* 96 * Print message 97 */ 98 private static void echo(String message) { 99 System.out.println(message); 100 } 101 102 /** 103 * Standalone entry point. 104 * 105 * Run the test and report to stdout. 106 */ 107 public static void main(String args[]) throws Exception { 108 109 echo(">>> Create MBeanServer"); 110 MBeanServer server = MBeanServerFactory.newMBeanServer(); 111 112 echo(">>> Default Domain: " + server.getDefaultDomain()); 113 114 echo(">>> Create and register Test MBean"); 115 Test mbean = new Test(); 116 ObjectName name = ObjectName.getInstance(":type=Test"); 117 server.registerMBean(mbean, name); 118 119 echo(">>> Set entered flag to false in Test MBean"); 120 mbean.entered = false; 121 122 echo(">>> Query Names:"); 123 Set<ObjectName> names = server.queryNames(null, null); 124 for (ObjectName on : names) { 125 echo("\t" + on.toString()); 126 } 127 128 echo(">>> Entered flag = " + mbean.entered); 129 130 if (mbean.entered) { 131 echo(">>> Test FAILED!"); 132 throw new IllegalArgumentException("getMBeanInfo got called"); 133 } else { 134 echo(">>> Test PASSED!"); 135 } 136 } 137 }