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34 package info.magnolia.module.blossom.support;
35
36 import org.springframework.context.ApplicationContext;
37 import org.springframework.context.ApplicationContextAware;
38 import org.springframework.context.ApplicationEvent;
39 import org.springframework.context.ApplicationListener;
40
41 import info.magnolia.module.blossom.dispatcher.BlossomDispatcher;
42 import info.magnolia.module.blossom.dispatcher.BlossomDispatcherAware;
43 import info.magnolia.module.blossom.dispatcher.BlossomDispatcherInitializedEvent;
44
45
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49
50
51 public abstract class AbstractBeanDetector implements ApplicationContextAware, ApplicationListener, BlossomDispatcherAware {
52
53 private BlossomDispatcher dispatcher;
54 private ApplicationContext applicationContext;
55 private Class<?> type = Object.class;
56
57 public ApplicationContext getApplicationContext() {
58 return applicationContext;
59 }
60
61 @Override
62 public void setApplicationContext(ApplicationContext applicationContext) {
63 this.applicationContext = applicationContext;
64 }
65
66 @Override
67 public void setBlossomDispatcher(BlossomDispatcher dispatcher) {
68 this.dispatcher = dispatcher;
69 }
70
71 public Class<?> getType() {
72 return type;
73 }
74
75 public void setType(Class<?> type) {
76 this.type = type;
77 }
78
79 public void detectBeans() {
80 String[] beanNames = applicationContext.getBeanNamesForType(type, true, true);
81 for (String beanName : beanNames) {
82 Class<?> type = applicationContext.getType(beanName);
83 if (type != null && include(type, beanName)) {
84 Object bean = applicationContext.getBean(beanName);
85 onBeanDetection(bean, beanName);
86 }
87 }
88 }
89
90 @Override
91 public void onApplicationEvent(ApplicationEvent event) {
92 if (event instanceof BlossomDispatcherInitializedEvent && event.getSource() == dispatcher) {
93 detectBeans();
94 }
95 }
96
97 protected boolean include(Class<?> beanType, String beanName) {
98 return true;
99 }
100
101 protected abstract void onBeanDetection(Object bean, String beanName);
102 }