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