✨ update

Author: janlle

spring-boot-spring/src/main/java/com/leone/boot/spring/bootstrap/SpringApplicationEventBootstrap.java

@@ -0,0 +1,25 @@
+package com.leone.boot.spring.bootstrap;
+
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+/**
+ * <p>
+ *
+ * @author leone
+ * @since 2019-05-26
+ **/
+public class SpringApplicationEventBootstrap {
+    public static void main(String[] args) {
+        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
+
+        context.addApplicationListener(event -> {
+            System.err.println("监听到事件" + event);
+        });
+        context.refresh();
+
+        context.publishEvent("hello world");
+
+        context.close();
+    }
+}

spring-boot-spring/src/main/java/com/leone/boot/spring/context/FirstApplicationContextInitializer.java

@@ -0,0 +1,24 @@
+package com.leone.boot.spring.context;
+
+import org.springframework.context.ApplicationContextInitializer;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+
+/**
+ * <p>
+ *
+ * @author leone
+ * @since 2019-05-26
+ **/
+@Order(value = Ordered.HIGHEST_PRECEDENCE)
+public class FirstApplicationContextInitializer<C extends ConfigurableApplicationContext>
+        implements ApplicationContextInitializer<C> {
+
+    @Override
+    public void initialize(C application) {
+        System.out.println("first Application initialize " + application.getId());
+    }
+
+
+}

spring-boot-spring/src/main/java/com/leone/boot/spring/context/SecondApplicationContextInitializer.java

@@ -0,0 +1,25 @@
+package com.leone.boot.spring.context;
+
+import org.springframework.context.ApplicationContextInitializer;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+
+/**
+ * <p>
+ *
+ * @author leone
+ * @since 2019-05-26
+ **/
+public class SecondApplicationContextInitializer implements ApplicationContextInitializer, Ordered {
+
+    @Override
+    public void initialize(ConfigurableApplicationContext configurableApplicationContext) {
+        System.out.println("second application initialize " + configurableApplicationContext.getId());
+    }
+
+    @Override
+    public int getOrder() {
+        return Ordered.LOWEST_PRECEDENCE;
+    }
+}

spring-boot-spring/src/main/java/com/leone/boot/spring/listener/AfterHelloWorldApplicationListener.java

@@ -0,0 +1,24 @@
+package com.leone.boot.spring.listener;
+
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+
+/**
+ * <p>
+ *
+ * @author leone
+ * @since 2019-05-26
+ **/
+public class AfterHelloWorldApplicationListener implements ApplicationListener<ContextRefreshedEvent>, Ordered {
+    @Override
+    public void onApplicationEvent(ContextRefreshedEvent event) {
+        System.out.println("after hello world listener " + event.getApplicationContext().getId() + " timestamp: " + event.getTimestamp());
+    }
+
+    @Override
+    public int getOrder() {
+        return Ordered.LOWEST_PRECEDENCE;
+    }
+}

spring-boot-spring/src/main/java/com/leone/boot/spring/listener/HelloWorldApplicationListener.java

@@ -0,0 +1,20 @@
+package com.leone.boot.spring.listener;
+
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+
+/**
+ * <p>
+ *
+ * @author leone
+ * @since 2019-05-26
+ **/
+@Order(Ordered.HIGHEST_PRECEDENCE)
+public class HelloWorldApplicationListener implements ApplicationListener<ContextRefreshedEvent> {
+    @Override
+    public void onApplicationEvent(ContextRefreshedEvent event) {
+        System.out.println("hello world listener " + event.getApplicationContext().getId() + " timestamp: " + event.getTimestamp());
+    }
+}

spring-boot-spring/src/main/java/com/leone/boot/spring/run/HelloWorldRunListener.java

@@ -0,0 +1,48 @@
+package com.leone.boot.spring.run;
+
+import org.springframework.boot.SpringApplicationRunListener;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.core.env.ConfigurableEnvironment;
+
+/**
+ * <p>
+ *
+ * @author leone
+ * @since 2019-05-26
+ **/
+public class HelloWorldRunListener implements SpringApplicationRunListener {
+    @Override
+    public void starting() {
+        System.out.println("starting...");
+    }
+
+    @Override
+    public void environmentPrepared(ConfigurableEnvironment environment) {
+
+    }
+
+    @Override
+    public void contextPrepared(ConfigurableApplicationContext context) {
+
+    }
+
+    @Override
+    public void contextLoaded(ConfigurableApplicationContext context) {
+
+    }
+
+    @Override
+    public void started(ConfigurableApplicationContext context) {
+
+    }
+
+    @Override
+    public void running(ConfigurableApplicationContext context) {
+
+    }
+
+    @Override
+    public void failed(ConfigurableApplicationContext context, Throwable exception) {
+
+    }
+}

spring-boot-spring/src/main/resources/META-INF/spring.factories

@@ -1,2 +1,13 @@
 org.springframework.context.ApplicationContextInitializer=\
-apple
+com.leone.boot.spring.context.SecondApplicationContextInitializer,\
+com.leone.boot.spring.context.FirstApplicationContextInitializer
+
+org.springframework.context.ApplicationListener=\
+com.leone.boot.spring.listener.AfterHelloWorldApplicationListener,\
+com.leone.boot.spring.listener.HelloWorldApplicationListener
+
+
+
+
+org.springframework.context.SpringApplicationRunListener=\
+com.leone.boot.spring.run.HelloWorldRunListener