1/* 2 * Copyright (c) 2002, 2007, 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 4328406 27 * @summary Tests NPE while removing a BeanContextServices 28 * @author Mark Davidson 29 */ 30 31import java.beans.beancontext.BeanContextChild; 32import java.beans.beancontext.BeanContextChildSupport; 33import java.beans.beancontext.BeanContextServiceProvider; 34import java.beans.beancontext.BeanContextServices; 35import java.beans.beancontext.BeanContextServicesSupport; 36import java.util.Iterator; 37 38public class Test4328406 { 39 public static void main(String[] args) { 40 for (int i = 0; i < 10; i++) { 41 BeanContextServices container = new BeanContextServicesSupport(); 42 BeanContextChild ms1 = new MyService1(); 43 BeanContextServices ms2 = new MyService2(); 44 BeanContextChild mb = new MyBean(); 45 46 container.add(ms1); 47 container.add(ms2); 48 ms2.add(mb); 49 50 // exception thrown here 51 container.remove(ms2); 52 } 53 } 54} 55 56class MyService1 extends BeanContextChildSupport implements BeanContextServiceProvider { 57 protected void initializeBeanContextResources() { 58 super.initializeBeanContextResources(); 59 60 BeanContextServices bcs = (BeanContextServices) getBeanContext(); 61 bcs.addService(this.getClass(), this); 62 } 63 64 public Object getService(BeanContextServices bcs, Object requestor, Class serviceClass, Object serviceSelector) { 65 return this; 66 } 67 68 public void releaseService(BeanContextServices bcs, Object requestor, Object 69 service) { 70 } 71 72 public Iterator getCurrentServiceSelectors(BeanContextServices bcs, Class serviceClass) { 73 return null; 74 } 75} 76 77class MyService2 extends BeanContextServicesSupport implements BeanContextServiceProvider { 78 protected void initializeBeanContextResources() { 79 super.initializeBeanContextResources(); 80 81 BeanContextServicesSupport bcs = (BeanContextServicesSupport) getBeanContext(); 82 try { 83 bcs.getService(this, this, MyService1.class, null, this); 84 } 85 catch (Exception exception) { 86 exception.printStackTrace(); 87 } 88 bcs.addService(this.getClass(), this); 89 } 90 91 protected void releaseBeanContextResources() { 92 super.releaseBeanContextResources(); 93 94 BeanContextServices bcs = (BeanContextServices) getBeanContext(); 95 bcs.revokeService(this.getClass(), this, true); 96 } 97 98 public Object getService(BeanContextServices bcs, Object requestor, Class serviceClass, Object serviceSelector) { 99 return this; 100 } 101 102 public void releaseService(BeanContextServices bcs, Object requestor, Object service) { 103 } 104 105 public Iterator getCurrentServiceSelectors(BeanContextServices bcs, Class serviceClass) { 106 return null; 107 } 108} 109 110class MyBean extends BeanContextChildSupport { 111 protected void initializeBeanContextResources() { 112 super.initializeBeanContextResources(); 113 114 BeanContextServices bcs = (BeanContextServices) getBeanContext(); 115 try { 116 bcs.getService(this, this, MyService1.class, null, this); 117 } 118 catch (Exception exception) { 119 exception.printStackTrace(); 120 } 121 try { 122 bcs.getService(this, this, MyService2.class, null, this); 123 } 124 catch (Exception exception) { 125 exception.printStackTrace(); 126 } 127 } 128} 129