spring 动态加载bean

fast-boot-examples/auto-configure/src/main/java/fast/boot/autoconfigure/annotation/EnableHelloWorld.java

@@ -1,14 +1,13 @@
 package fast.boot.autoconfigure.annotation;
 
-import org.springframework.context.annotation.Import;
-
 import java.lang.annotation.*;
 
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.TYPE)
 @Documented
 //@Import(HelloWorldConfiguration.class)
 //@Import(HelloWorldImportSelector.class)
-@Import(HelloWorldImportBeanDefinitionRegistrar.class)
+//@Import(HelloWorldImportBeanDefinitionRegistrar.class)
+//@Import(HelloWorldBeanFactoryPostProcessor.class)
 public @interface EnableHelloWorld {
 }

fast-boot-examples/auto-configure/src/main/java/fast/boot/autoconfigure/configuration/HelloWorldBeanDefinitionRegistryPostProcessor.java

@@ -0,0 +1,29 @@
+package fast.boot.autoconfigure.configuration;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.BeanDefinitionHolder;
+import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.beans.factory.support.BeanDefinitionBuilder;
+import org.springframework.beans.factory.support.BeanDefinitionReaderUtils;
+import org.springframework.beans.factory.support.BeanDefinitionRegistry;
+import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor;
+
+/**
+ * @author qinfuxiang
+ */
+public class HelloWorldBeanDefinitionRegistryPostProcessor implements BeanDefinitionRegistryPostProcessor {
+
+    @Override
+    public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException {
+        BeanDefinitionBuilder bdb = BeanDefinitionBuilder.rootBeanDefinition(HelloWorldConfiguration.class);
+//        registry.registerBeanDefinition(HelloWorldConfiguration.class.getName(), bdb.getBeanDefinition());
+        BeanDefinitionHolder holder = new BeanDefinitionHolder(bdb.getBeanDefinition(), HelloWorldConfiguration.class.getName(),
+                null);
+        BeanDefinitionReaderUtils.registerBeanDefinition(holder, registry);
+    }
+
+    @Override
+    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
+
+    }
+}

fast-boot-examples/auto-configure/src/main/java/fast/boot/autoconfigure/configuration/HelloWorldBeanFactoryPostProcessor.java

@@ -0,0 +1,17 @@
+package fast.boot.autoconfigure.configuration;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
+import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.beans.factory.support.BeanDefinitionBuilder;
+
+/**
+ * @author qinfuxiang
+ */
+public class HelloWorldBeanFactoryPostProcessor implements BeanFactoryPostProcessor {
+    @Override
+    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
+        BeanDefinitionBuilder bdb = BeanDefinitionBuilder.rootBeanDefinition(HelloWorldConfiguration.class);
+        beanFactory.registerSingleton(HelloWorldConfiguration.class.getName(), bdb.getBeanDefinition());
+    }
+}

fast-boot-examples/auto-configure/src/main/resources/META-INF/spring.factories

@@ -0,0 +1,2 @@
+org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+fast.boot.autoconfigure.configuration.HelloWorldBeanDefinitionRegistryPostProcessor