1 /**
2 * This file Copyright (c) 2010 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.module.blossom.support;
35
36 import org.springframework.beans.factory.InitializingBean;
37 import org.springframework.context.ApplicationContext;
38 import org.springframework.context.ApplicationContextAware;
39
40 /**
41 * Abstract base class for beans that want to inspect other beans configured in the same bean factory. Will detect
42 * lazy-init beans.
43 */
44 public abstract class AbstractBeanDetector implements ApplicationContextAware, InitializingBean {
45
46 private ApplicationContext applicationContext;
47 private Class<?> type = Object.class;
48
49 public ApplicationContext getApplicationContext() {
50 return applicationContext;
51 }
52
53 public void setApplicationContext(ApplicationContext applicationContext) {
54 this.applicationContext = applicationContext;
55 }
56
57 public Class<?> getType() {
58 return type;
59 }
60
61 public void setType(Class<?> type) {
62 this.type = type;
63 }
64
65 public void detectBeans() {
66 String[] beanNames = applicationContext.getBeanNamesForType(type, true, true);
67 for (String beanName : beanNames) {
68 Class<?> type = applicationContext.getType(beanName);
69 if (type != null && include(type, beanName)) {
70 Object bean = applicationContext.getBean(beanName);
71 onBeanDetection(bean, beanName);
72 }
73 }
74 }
75
76 public void afterPropertiesSet() throws Exception {
77 detectBeans();
78 }
79
80 protected boolean include(Class<?> beanType, String beanName) {
81 return true;
82 }
83
84 protected abstract void onBeanDetection(Object bean, String beanName);
85 }