GH-933 - Observability proxying now considers global proxy settings.

We now lookup the AbstractAutoProxyCreator registered for global proxy settings and apply that to the ProxyFactory used to create the proxies applying the observability decoration.

Author: odrotbohm

spring-modulith-observability/src/main/java/org/springframework/modulith/observability/ModuleTracingSupport.java

@@ -20,15 +20,21 @@
 import org.springframework.aop.Advisor;
 import org.springframework.aop.framework.Advised;
 import org.springframework.aop.framework.ProxyFactory;
+import org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator;
+import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.BeanClassLoaderAware;
+import org.springframework.beans.factory.BeanFactory;
+import org.springframework.beans.factory.BeanFactoryAware;
+import org.springframework.lang.Nullable;
 import org.springframework.scheduling.annotation.AsyncAnnotationAdvisor;
 
 /**
  * @author Oliver Drotbohm
  */
-class ModuleTracingSupport implements BeanClassLoaderAware {
+class ModuleTracingSupport implements BeanClassLoaderAware, BeanFactoryAware {
 
 	private ClassLoader classLoader;
+	private @Nullable AbstractAutoProxyCreator creator;
 
 	/*
 	 * (non-Javadoc)
@@ -39,6 +45,15 @@ public void setBeanClassLoader(ClassLoader classLoader) {
 		this.classLoader = classLoader;
 	}
 
+	/*
+	 * (non-Javadoc)
+	 * @see org.springframework.beans.factory.BeanFactoryAware#setBeanFactory(org.springframework.beans.factory.BeanFactory)
+	 */
+	@Override
+	public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
+		this.creator = beanFactory.getBeanProvider(AbstractAutoProxyCreator.class).getIfAvailable();
+	}
+
 	protected final Object addAdvisor(Object bean, Advisor advisor) {
 		return addAdvisor(bean, advisor, __ -> {});
 	}
@@ -53,7 +68,12 @@ protected final Object addAdvisor(Object bean, Advisor advisor, Consumer<ProxyFa
 
 		} else {
 
-			ProxyFactory factory = new ProxyFactory(bean);
+			var factory = new ProxyFactory(bean);
+
+			if (creator != null) {
+				factory.copyFrom(creator);
+			}
+
 			customizer.accept(factory);
 			factory.addAdvisor(advisor);
 
@@ -63,7 +83,7 @@ protected final Object addAdvisor(Object bean, Advisor advisor, Consumer<ProxyFa
 
 	private static int asyncAdvisorIndex(Advised advised) {
 
-		Advisor[] advisors = advised.getAdvisors();
+		var advisors = advised.getAdvisors();
 
 		for (int i = 0; i < advised.getAdvisorCount(); i++) {