!388 修复registerBean中@Autowired无效的问题

Merge pull request !388 from 晴雨夜/v5-dev

hutool-extra/src/main/java/cn/hutool/extra/spring/SpringUtil.java

@@ -4,8 +4,10 @@ import cn.hutool.core.lang.TypeReference;
 import cn.hutool.core.util.ArrayUtil;
 import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.ListableBeanFactory;
+import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
 import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.beans.factory.support.DefaultSingletonBeanRegistry;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
 import org.springframework.context.ConfigurableApplicationContext;
@@ -189,6 +191,8 @@ public class SpringUtil implements BeanFactoryPostProcessor, ApplicationContextA
 	 * 动态向Spring注册Bean
 	 * <p>
 	 * 由{@link org.springframework.beans.factory.BeanFactory} 实现，通过工具开放API
+	 * <p>
+	 * 更新: shadow 2021-07-29 17:20:44 增加自动注入，修复注册bean无法反向注入的问题
 	 *
 	 * @param <T>      Bean类型
 	 * @param beanName 名称
@@ -198,12 +202,51 @@ public class SpringUtil implements BeanFactoryPostProcessor, ApplicationContextA
 	 */
 	public static <T> void registerBean(String beanName, T bean) {
 		if (null != beanFactory) {
+			beanFactory.autowireBean(bean);
 			beanFactory.registerSingleton(beanName, bean);
 		} else if (applicationContext instanceof ConfigurableApplicationContext) {
 			ConfigurableApplicationContext context = (ConfigurableApplicationContext) applicationContext;
+			AutowireCapableBeanFactory factory = context.getAutowireCapableBeanFactory();
+			factory.autowireBean(bean);
 			context.getBeanFactory().registerSingleton(beanName, bean);
 		}
 	}
+
+	/**
+	 * 注销bean
+	 * <p>
+	 * 将Spring中的bean注销，请谨慎使用
+	 *
+	 * @param beanName bean名称
+	 * @author shadow
+	 * @since 5.7.7
+	 */
+	public static void unRegisterBean(String beanName) {
+		if (applicationContext instanceof ConfigurableApplicationContext) {
+			ConfigurableApplicationContext context = (ConfigurableApplicationContext) applicationContext;
+			DefaultSingletonBeanRegistry registry = (DefaultSingletonBeanRegistry) context.getBeanFactory();
+			registry.destroySingleton(beanName);
+		}
+	}
+
+	/**
+	 *
+	 * 替换Bean
+	 * 组合{@link SpringUtil#unRegisterBean(String)} 和 {@link SpringUtil#replaceBean(String, Object)}
+	 * 将Spring持有bean先注销再注册
+	 * 需要注意的替换Bean的内部对象的指针指向并不会变化
+	 * 所有替换的bean被持有的情况下，需要有下至上逐步替换
+	 *
+	 * @param beanName bean名称
+	 * @param bean     bean
+	 * @param <T>      泛型
+	 * @author shadow
+	 * @since 5.7.7
+	 */
+	/*public static <T> void replaceBean(String beanName, T bean) {
+		unRegisterBean(beanName);
+		registerBean(beanName, bean);
+	}*/
 }
 
 

hutool-extra/src/test/java/cn/hutool/extra/spring/SpringUtilTest.java

@@ -6,10 +6,13 @@ import lombok.Data;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.context.annotation.Bean;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
+import javax.annotation.Resource;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -33,6 +36,57 @@ public class SpringUtilTest {
 		Assert.assertEquals("222", registerBean2.getName());
 	}
 
+	/**
+	 * 测试自动注入
+	 */
+	@Test
+	public void registerBeanTest2() {
+		TestAutoWired testAutoWired = new TestAutoWired();
+		TestBean testBean = new TestBean();
+		testBean.setId("123");
+		SpringUtil.registerBean("testBean", testBean);
+		SpringUtil.registerBean("testAutoWired", testAutoWired);
+
+		testAutoWired = SpringUtil.getBean("testAutoWired");
+		Assert.assertNotNull(testAutoWired);
+		Assert.assertNotNull(testAutoWired.getAutowiredBean());
+		Assert.assertEquals("123", testAutoWired.getAutowiredBean().getId());
+
+	}
+
+	/**
+	 * 测试注销bean
+	 */
+	@Test
+	public void unRegisterBeanTest() {
+		registerBeanTest2();
+		Assert.assertNotNull(SpringUtil.getBean("testAutoWired"));
+		SpringUtil.unRegisterBean("testAutoWired1");
+		try {
+			SpringUtil.getBean("testAutoWired");
+		} catch (NoSuchBeanDefinitionException e) {
+			Assert.assertEquals(e.getClass(), NoSuchBeanDefinitionException.class);
+		}
+	}
+
+	/**
+	 * 测试替换bean
+
+	@Test
+	public void replaceBeanTest() {
+		registerBeanTest2();
+		TestAutoWired testAutoWired = new TestAutoWired();
+		TestBean testBean = new TestBean();
+		testBean.setId("222");
+		Assert.assertEquals("123", SpringUtil.getBean("testBean", TestBean.class).getId());
+		SpringUtil.replaceBean("testBean", testBean);
+		SpringUtil.replaceBean("testAutoWired", testAutoWired);
+		testAutoWired = SpringUtil.getBean("testAutoWired");
+		TestBean testBean1 = testAutoWired.getAutowiredBean();
+		Assert.assertEquals("222", testAutoWired.getAutowiredBean().getId());
+		Assert.assertEquals("222", testBean1.getId());
+
+	}*/
 	@Test
 	public void getBeanTest(){
 		final Demo2 testDemo = SpringUtil.getBean("testDemo");
@@ -69,4 +123,17 @@ public class SpringUtilTest {
 			return map;
 		}
 	}
+
+	@Data
+	public static class TestAutoWired {
+
+		@Autowired
+		// @Resource
+		private TestBean autowiredBean;
+	}
+
+	@Data
+	public static class TestBean {
+		private String id;
+	}
 }