Java tutorial
/* * Copyright 2013 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. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package de.olivergierke.samples.spring; import org.junit.Test; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.ApplicationContext; import org.springframework.context.annotation.AnnotationConfigApplicationContext; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * @author Oliver Gierke */ public class ConfigClassExtensionTest { @Configuration static class ParentConfig { public MyComponent component; @Autowired public void setMyComponent(MyComponent component) { this.component = component; } } @Configuration static class ChildConfig extends ParentConfig { @Bean public MyComponentImpl myComponent() { return new MyComponentImpl(); } } interface MyComponent { } static class MyComponentImpl implements MyComponent { } @Test @SuppressWarnings("resource") public void bootstrapsSelfInjectingConfigurationClass() { ApplicationContext context = new AnnotationConfigApplicationContext(ChildConfig.class); context.getBean(MyComponent.class); } }