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SpringFactoriesLoader as the simplest possible mechanism for BeanInfoFactory loading

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This commit is contained in:
Juergen Hoeller
2012-09-10 22:35:27 +02:00
committed by unknown
parent 0a42c80c11
commit 787d8f5916
3 changed files with 31 additions and 171 deletions
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22
spring-beans/src/main/java/org/springframework/beans/CachedIntrospectionResults.java
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@@ -62,6 +62,10 @@ public class CachedIntrospectionResults {
private static final Log logger = LogFactory.getLog(CachedIntrospectionResults.class);
/** Stores the BeanInfoFactory instances */
private static List<BeanInfoFactory> beanInfoFactories =
SpringFactoriesLoader.loadFactories(BeanInfoFactory.class, CachedIntrospectionResults.class.getClassLoader());
/**
* Set of ClassLoaders that this CachedIntrospectionResults class will always
* accept classes from, even if the classes do not qualify as cache-safe.
@@ -75,11 +79,6 @@ public class CachedIntrospectionResults {
*/
static final Map<Class, Object> classCache = Collections.synchronizedMap(new WeakHashMap<Class, Object>());
/** Stores the BeanInfoFactory instances */
private static List<BeanInfoFactory> beanInfoFactories;
private static final Object beanInfoFactoriesMutex = new Object();
/**
* Accept the given ClassLoader as cache-safe, even if its classes would
@@ -230,7 +229,6 @@ public class CachedIntrospectionResults {
}
BeanInfo beanInfo = null;
List<BeanInfoFactory> beanInfoFactories = getBeanInfoFactories(beanClass.getClassLoader());
for (BeanInfoFactory beanInfoFactory : beanInfoFactories) {
beanInfo = beanInfoFactory.getBeanInfo(beanClass);
if (beanInfo != null) {
@@ -325,16 +323,4 @@ public class CachedIntrospectionResults {
}
}
private static List<BeanInfoFactory> getBeanInfoFactories(ClassLoader classLoader) {
if (beanInfoFactories == null) {
synchronized (beanInfoFactoriesMutex) {
if (beanInfoFactories == null) {
beanInfoFactories = Collections.synchronizedList(SpringFactoriesLoader
.loadFactories(BeanInfoFactory.class, classLoader));
}
}
}
return beanInfoFactories;
}
}