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 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 * 31 * @run clean AvoidGetMBeanInfoCallsTest 32 * @run build AvoidGetMBeanInfoCallsTest 33 * @run main AvoidGetMBeanInfoCallsTest 34 */ 35 36 import java.util.Set; 37 import javax.management.Attribute; 38 import javax.management.AttributeList; 39 import javax.management.AttributeNotFoundException; 40 import javax.management.DynamicMBean; 41 import javax.management.InvalidAttributeValueException; 42 import javax.management.MBeanException; 43 import javax.management.MBeanInfo; 44 import javax.management.MBeanServer; 45 import javax.management.MBeanServerFactory; 46 import javax.management.ObjectName; 47 import javax.management.ReflectionException; 48 49 public class AvoidGetMBeanInfoCallsTest { 50 51 /** 52 * Test DynamicMBean class 53 */ 54 public static class Test implements DynamicMBean { 55 56 public Object getAttribute(String attribute) 57 throws AttributeNotFoundException, 58 MBeanException, 59 ReflectionException { 60 return null; 61 } 62 63 public void setAttribute(Attribute attribute) 64 throws AttributeNotFoundException, 65 InvalidAttributeValueException, 66 MBeanException, 67 ReflectionException { 68 } 69 70 public AttributeList getAttributes(String[] attributes) { 71 return null; 72 } 73 74 public AttributeList setAttributes(AttributeList attributes) { 75 return null; 76 } 77 78 public Object invoke(String actionName, 79 Object params[], 80 String signature[]) 81 throws MBeanException, 82 ReflectionException { 83 return null; 84 } 85 86 public MBeanInfo getMBeanInfo() { 87 entered = true; 88 return new MBeanInfo(Test.class.getName(), 89 "Test description", 90 null, null, null, null); 91 } 92 93 public boolean entered; 94 } 95 96 /* 97 * Print message 98 */ 99 private static void echo(String message) { 100 System.out.println(message); 101 } 102 103 /** 104 * Standalone entry point. 105 * 106 * Run the test and report to stdout. 107 */ 108 public static void main(String args[]) throws Exception { 109 110 echo(">>> Create MBeanServer"); 111 MBeanServer server = MBeanServerFactory.newMBeanServer(); 112 113 echo(">>> Default Domain: " + server.getDefaultDomain()); 114 115 echo(">>> Create and register Test MBean"); 116 Test mbean = new Test(); 117 ObjectName name = ObjectName.getInstance(":type=Test"); 118 server.registerMBean(mbean, name); 119 120 echo(">>> Set entered flag to false in Test MBean"); 121 mbean.entered = false; 122 123 echo(">>> Query Names:"); 124 Set<ObjectName> names = server.queryNames(null, null); 125 for (ObjectName on : names) { 126 echo("\t" + on.toString()); 127 } 128 129 echo(">>> Entered flag = " + mbean.entered); 130 131 if (mbean.entered) { 132 echo(">>> Test FAILED!"); 133 throw new IllegalArgumentException("getMBeanInfo got called"); 134 } else { 135 echo(">>> Test PASSED!"); 136 } 137 } 138 }