MergedBeanDefinitionPostProcessors apply after all other post-processors (for @PostConstruct to be invoked after other BPPs; SPR-6066)

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@2366 50f2f4bb-b051-0410-bef5-90022cba6387

org.springframework.context/src/main/java/org/springframework/context/support/AbstractApplicationContext.java

@@ -37,6 +37,7 @@ import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
 import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
 import org.springframework.beans.factory.config.BeanPostProcessor;
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.beans.factory.support.MergedBeanDefinitionPostProcessor;
 import org.springframework.beans.support.ResourceEditorRegistrar;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
@@ -502,14 +503,16 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 			}
 			catch (AccessControlException ex) {
 				systemProperties = new ReadOnlySystemAttributesMap() {
-
 					@Override
 					protected String getSystemAttribute(String propertyName) {
 						try {
 							return System.getProperty(propertyName);
-						} catch (AccessControlException ex) {
-							logger.info("Not allowed to obtain system property [" + propertyName + "]: "
-									+ ex.getMessage());
+						}
+						catch (AccessControlException ex) {
+							if (logger.isInfoEnabled()) {
+								logger.info("Not allowed to obtain system property [" + propertyName + "]: " +
+										ex.getMessage());
+							}
 							return null;
 						}
 					}
@@ -517,6 +520,7 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 			}
 			beanFactory.registerSingleton(SYSTEM_PROPERTIES_BEAN_NAME, systemProperties);
 		}
+
 		if (!beanFactory.containsBean(SYSTEM_ENVIRONMENT_BEAN_NAME)) {
 			Map<String,String> systemEnvironment;
 			try {
@@ -528,9 +532,12 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 					protected String getSystemAttribute(String variableName) {
 						try {
 							return System.getenv(variableName);
-						} catch (AccessControlException ex) {
-							logger.info("Not allowed to obtain system environment variable [" + variableName + "]: " +
-									ex.getMessage());
+						}
+						catch (AccessControlException ex) {
+							if (logger.isInfoEnabled()) {
+								logger.info("Not allowed to obtain system environment variable [" + variableName + "]: " +
+										ex.getMessage());
+							}
 							return null;
 						}
 					}
@@ -629,11 +636,16 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 		// Separate between BeanPostProcessors that implement PriorityOrdered,
 		// Ordered, and the rest.
 		List<BeanPostProcessor> priorityOrderedPostProcessors = new ArrayList<BeanPostProcessor>();
+		List<BeanPostProcessor> internalPostProcessors = new ArrayList<BeanPostProcessor>();
 		List<String> orderedPostProcessorNames = new ArrayList<String>();
 		List<String> nonOrderedPostProcessorNames = new ArrayList<String>();
 		for (String ppName : postProcessorNames) {
 			if (isTypeMatch(ppName, PriorityOrdered.class)) {
-				priorityOrderedPostProcessors.add(beanFactory.getBean(ppName, BeanPostProcessor.class));
+				BeanPostProcessor pp = beanFactory.getBean(ppName, BeanPostProcessor.class);
+				priorityOrderedPostProcessors.add(pp);
+				if (pp instanceof MergedBeanDefinitionPostProcessor) {
+					internalPostProcessors.add(pp);
+				}
 			}
 			else if (isTypeMatch(ppName, Ordered.class)) {
 				orderedPostProcessorNames.add(ppName);
@@ -649,18 +661,30 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 
 		// Next, register the BeanPostProcessors that implement Ordered.
 		List<BeanPostProcessor> orderedPostProcessors = new ArrayList<BeanPostProcessor>();
-		for (String postProcessorName : orderedPostProcessorNames) {
-			orderedPostProcessors.add(getBean(postProcessorName, BeanPostProcessor.class));
+		for (String ppName : orderedPostProcessorNames) {
+			BeanPostProcessor pp = beanFactory.getBean(ppName, BeanPostProcessor.class);
+			orderedPostProcessors.add(pp);
+			if (pp instanceof MergedBeanDefinitionPostProcessor) {
+				internalPostProcessors.add(pp);
+			}
 		}
 		OrderComparator.sort(orderedPostProcessors);
 		registerBeanPostProcessors(beanFactory, orderedPostProcessors);
 
-		// Finally, register all other BeanPostProcessors.
+		// Now, register all regular BeanPostProcessors.
 		List<BeanPostProcessor> nonOrderedPostProcessors = new ArrayList<BeanPostProcessor>();
-		for (String postProcessorName : nonOrderedPostProcessorNames) {
-			nonOrderedPostProcessors.add(getBean(postProcessorName, BeanPostProcessor.class));
+		for (String ppName : nonOrderedPostProcessorNames) {
+			BeanPostProcessor pp = beanFactory.getBean(ppName, BeanPostProcessor.class);
+			nonOrderedPostProcessors.add(pp);
+			if (pp instanceof MergedBeanDefinitionPostProcessor) {
+				internalPostProcessors.add(pp);
+			}
 		}
 		registerBeanPostProcessors(beanFactory, nonOrderedPostProcessors);
+
+		// Finally, re-register all internal BeanPostProcessors.
+		OrderComparator.sort(internalPostProcessors);
+		registerBeanPostProcessors(beanFactory, internalPostProcessors);
 	}
 
 	/**

org.springframework.context/src/test/java/org/springframework/context/annotation/CommonAnnotationBeanPostProcessorTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2007 the original author or authors.
+ * Copyright 2002-2009 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,6 +25,7 @@ import javax.ejb.EJB;
 import static org.junit.Assert.*;
 import org.junit.Test;
 
+import org.springframework.beans.BeansException;
 import org.springframework.beans.INestedTestBean;
 import org.springframework.beans.ITestBean;
 import org.springframework.beans.NestedTestBean;
@@ -33,9 +34,11 @@ import org.springframework.beans.factory.BeanCreationException;
 import org.springframework.beans.factory.BeanFactory;
 import org.springframework.beans.factory.NoSuchBeanDefinitionException;
 import org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor;
+import org.springframework.beans.factory.config.DestructionAwareBeanPostProcessor;
 import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
 import org.springframework.beans.factory.support.DefaultListableBeanFactory;
 import org.springframework.beans.factory.support.RootBeanDefinition;
+import org.springframework.context.support.GenericApplicationContext;
 import org.springframework.jndi.support.SimpleJndiBeanFactory;
 import org.springframework.mock.jndi.ExpectedLookupTemplate;
 import org.springframework.util.SerializationTestUtils;
@@ -58,6 +61,33 @@ public class CommonAnnotationBeanPostProcessorTests {
 		assertTrue(bean.destroyCalled);
 	}
 
+	@Test
+	public void testPostConstructAndPreDestroyWithPostProcessor() {
+		DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
+		bf.addBeanPostProcessor(new InitDestroyBeanPostProcessor());
+		bf.addBeanPostProcessor(new CommonAnnotationBeanPostProcessor());
+		bf.registerBeanDefinition("annotatedBean", new RootBeanDefinition(AnnotatedInitDestroyBean.class));
+
+		AnnotatedInitDestroyBean bean = (AnnotatedInitDestroyBean) bf.getBean("annotatedBean");
+		assertTrue(bean.initCalled);
+		bf.destroySingletons();
+		assertTrue(bean.destroyCalled);
+	}
+
+	@Test
+	public void testPostConstructAndPreDestroyWithApplicationContextAndPostProcessor() {
+		GenericApplicationContext ctx = new GenericApplicationContext();
+		ctx.registerBeanDefinition("bpp1", new RootBeanDefinition(InitDestroyBeanPostProcessor.class));
+		ctx.registerBeanDefinition("bpp2", new RootBeanDefinition(CommonAnnotationBeanPostProcessor.class));
+		ctx.registerBeanDefinition("annotatedBean", new RootBeanDefinition(AnnotatedInitDestroyBean.class));
+		ctx.refresh();
+
+		AnnotatedInitDestroyBean bean = (AnnotatedInitDestroyBean) ctx.getBean("annotatedBean");
+		assertTrue(bean.initCalled);
+		ctx.close();
+		assertTrue(bean.destroyCalled);
+	}
+
 	@Test
 	public void testPostConstructAndPreDestroyWithManualConfiguration() {
 		DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
@@ -335,6 +365,30 @@ public class CommonAnnotationBeanPostProcessorTests {
 	}
 
 
+	public static class InitDestroyBeanPostProcessor implements DestructionAwareBeanPostProcessor {
+
+		public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
+			if (bean instanceof AnnotatedInitDestroyBean) {
+				assertFalse(((AnnotatedInitDestroyBean) bean).initCalled);
+			}
+			return bean;
+		}
+
+		public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
+			if (bean instanceof AnnotatedInitDestroyBean) {
+				assertTrue(((AnnotatedInitDestroyBean) bean).initCalled);
+			}
+			return bean;
+		}
+
+		public void postProcessBeforeDestruction(Object bean, String beanName) throws BeansException {
+			if (bean instanceof AnnotatedInitDestroyBean) {
+				assertFalse(((AnnotatedInitDestroyBean) bean).destroyCalled);
+			}
+		}
+	}
+
+
 	public static class ResourceInjectionBean extends AnnotatedInitDestroyBean {
 
 		public boolean init2Called = false;