Refined warn/info logging in AutowiredAnnotationBeanPostProcessor

Issue: SPR-16946

spring-beans/src/main/java/org/springframework/beans/factory/annotation/AutowiredAnnotationBeanPostProcessor.java

@@ -258,7 +258,7 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
 						}
 						catch (NoSuchBeanDefinitionException ex) {
 							throw new BeanCreationException(beanName,
-								"Cannot apply @Lookup to beans without corresponding bean definition");
+									"Cannot apply @Lookup to beans without corresponding bean definition");
 						}
 					}
 				});
@@ -340,8 +340,8 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
 							if (defaultConstructor != null) {
 								candidates.add(defaultConstructor);
 							}
-							else if (candidates.size() == 1 && logger.isWarnEnabled()) {
-								logger.warn("Inconsistent constructor declaration on bean with name '" + beanName +
+							else if (candidates.size() == 1 && logger.isInfoEnabled()) {
+								logger.info("Inconsistent constructor declaration on bean with name '" + beanName +
 										"': single autowire-marked constructor flagged as optional - " +
 										"this constructor is effectively required since there is no " +
 										"default constructor to fall back to: " + candidates.get(0));
@@ -352,8 +352,8 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
 					else if (rawCandidates.length == 1 && rawCandidates[0].getParameterCount() > 0) {
 						candidateConstructors = new Constructor<?>[] {rawCandidates[0]};
 					}
-					else if (nonSyntheticConstructors == 2 && primaryConstructor != null
-							&& defaultConstructor != null && !primaryConstructor.equals(defaultConstructor)) {
+					else if (nonSyntheticConstructors == 2 && primaryConstructor != null &&
+							defaultConstructor != null && !primaryConstructor.equals(defaultConstructor)) {
 						candidateConstructors = new Constructor<?>[] {primaryConstructor, defaultConstructor};
 					}
 					else if (nonSyntheticConstructors == 1 && primaryConstructor != null) {
@@ -445,8 +445,8 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
 				AnnotationAttributes ann = findAutowiredAnnotation(field);
 				if (ann != null) {
 					if (Modifier.isStatic(field.getModifiers())) {
-						if (logger.isWarnEnabled()) {
-							logger.warn("Autowired annotation is not supported on static fields: " + field);
+						if (logger.isInfoEnabled()) {
+							logger.info("Autowired annotation is not supported on static fields: " + field);
 						}
 						return;
 					}
@@ -463,14 +463,14 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
 				AnnotationAttributes ann = findAutowiredAnnotation(bridgedMethod);
 				if (ann != null && method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
 					if (Modifier.isStatic(method.getModifiers())) {
-						if (logger.isWarnEnabled()) {
-							logger.warn("Autowired annotation is not supported on static methods: " + method);
+						if (logger.isInfoEnabled()) {
+							logger.info("Autowired annotation is not supported on static methods: " + method);
 						}
 						return;
 					}
 					if (method.getParameterCount() == 0) {
-						if (logger.isWarnEnabled()) {
-							logger.warn("Autowired annotation should only be used on methods with parameters: " +
+						if (logger.isInfoEnabled()) {
+							logger.info("Autowired annotation should only be used on methods with parameters: " +
 									method);
 						}
 					}
@@ -537,8 +537,8 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
 				if (this.beanFactory != null && this.beanFactory.containsBean(autowiredBeanName)) {
 					this.beanFactory.registerDependentBean(autowiredBeanName, beanName);
 				}
-				if (logger.isDebugEnabled()) {
-					logger.debug("Autowiring by type from bean name '" + beanName +
+				if (logger.isTraceEnabled()) {
+					logger.trace("Autowiring by type from bean name '" + beanName +
 							"' to bean named '" + autowiredBeanName + "'");
 				}
 			}