BeanMethodInterceptor forwards user-provided arguments to getBean(name, args)

Issue: SPR-12443

Author: jhoeller

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassEnhancer.java

@@ -45,6 +45,7 @@
 import org.springframework.cglib.transform.TransformingClassGenerator;
 import org.springframework.core.annotation.AnnotationUtils;
 import org.springframework.util.Assert;
+import org.springframework.util.ObjectUtils;
 import org.springframework.util.ReflectionUtils;
 
 /**
@@ -321,7 +322,8 @@ public Object intercept(Object enhancedConfigInstance, Method beanMethod, Object
 					if (alreadyInCreation) {
 						beanFactory.setCurrentlyInCreation(beanName, false);
 					}
-					return beanFactory.getBean(beanName);
+					return (!ObjectUtils.isEmpty(beanMethodArgs) ?
+							beanFactory.getBean(beanName, beanMethodArgs) : beanFactory.getBean(beanName));
 				}
 				finally {
 					if (alreadyInCreation) {

spring-context/src/test/java/org/springframework/context/annotation/ConfigurationClassPostProcessorTests.java

@@ -468,6 +468,12 @@ public void testCircularDependencyWithApplicationContext() {
 		}
 	}
 
+	@Test
+	public void testPrototypeArgumentsThroughBeanMethodCall() {
+		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(BeanArgumentConfig.class);
+		ctx.getBean(FooFactory.class).createFoo(new BarArgument());
+	}
+
 
 	// -------------------------------------------------------------------------
 
@@ -925,4 +931,38 @@ public B(Z z) {
 	public static class Z {
 	}
 
+	@Configuration
+	static class BeanArgumentConfig {
+
+		@Bean
+		@Scope("prototype")
+		public DependingFoo foo(final BarArgument bar) {
+			return new DependingFoo(bar);
+		}
+
+		@Bean
+		public FooFactory fooFactory() {
+			return new FooFactory() {
+				@Override
+				public DependingFoo createFoo(final BarArgument bar) {
+					return foo(bar);
+				}
+			};
+		}
+	}
+
+	static class BarArgument {
+	}
+
+	static class DependingFoo {
+
+		DependingFoo(BarArgument bar) {
+		}
+	}
+
+	static abstract class FooFactory {
+
+		abstract DependingFoo createFoo(BarArgument bar);
+	}
+
 }

spring-context/src/test/java/org/springframework/context/annotation/ConfigurationWithFactoryBeanAndParametersTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -34,47 +34,55 @@
  * @since 3.1
  */
 public class ConfigurationWithFactoryBeanAndParametersTests {
+
 	@Test
 	public void test() {
 		ApplicationContext ctx = new AnnotationConfigApplicationContext(Config.class, Bar.class);
 		assertNotNull(ctx.getBean(Bar.class).foo);
 	}
-}
-
-@Configuration
-class Config {
-	@Bean
-	public FactoryBean<Foo> fb(@Value("42") String answer) {
-		return new FooFactoryBean();
-	}
-}
 
-class Foo {
-}
 
-class Bar {
-	Foo foo;
+	@Configuration
+	static class Config {
 
-	@Autowired
-	public Bar(Foo foo) {
-		this.foo = foo;
+		@Bean
+		public FactoryBean<Foo> fb(@Value("42") String answer) {
+			return new FooFactoryBean();
+		}
 	}
-}
 
-class FooFactoryBean implements FactoryBean<Foo> {
 
-	@Override
-	public Foo getObject() {
-		return new Foo();
+	static class Foo {
 	}
 
-	@Override
-	public Class<Foo> getObjectType() {
-		return Foo.class;
+
+	static class Bar {
+
+		Foo foo;
+
+		@Autowired
+		public Bar(Foo foo) {
+			this.foo = foo;
+		}
 	}
 
-	@Override
-	public boolean isSingleton() {
-		return true;
+
+	static class FooFactoryBean implements FactoryBean<Foo> {
+
+		@Override
+		public Foo getObject() {
+			return new Foo();
+		}
+
+		@Override
+		public Class<Foo> getObjectType() {
+			return Foo.class;
+		}
+
+		@Override
+		public boolean isSingleton() {
+			return true;
+		}
 	}
+
 }