Add OnceApplicationContextEventListener

starters/dubbo-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/dubbo/listener/DubboConfigInitEventListener.java

 package com.schbrain.framework.autoconfigure.dubbo.listener;
 
+import com.schbrain.framework.support.spring.OnceApplicationContextEventListener;
 import org.apache.dubbo.config.ConfigCenterConfig;
 import org.apache.dubbo.config.context.ConfigManager;
 import org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor;
@@ -7,9 +8,9 @@ import org.apache.dubbo.config.spring.context.event.DubboConfigInitEvent;
 import org.apache.dubbo.config.spring.util.DubboBeanUtils;
 import org.apache.dubbo.rpc.model.ApplicationModel;
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
-import org.springframework.context.ApplicationListener;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.core.PriorityOrdered;
+import org.springframework.core.env.ConfigurableEnvironment;
 
 import java.util.Map;
 
@@ -20,30 +21,29 @@ import static org.apache.dubbo.config.spring.util.EnvironmentUtils.filterDubboPr
  * @see ReferenceAnnotationBeanPostProcessor#postProcessBeanFactory(ConfigurableListableBeanFactory)
  * @since 2023-05-08
  */
-class DubboConfigInitEventListener implements ApplicationListener<DubboConfigInitEvent>, PriorityOrdered {
+class DubboConfigInitEventListener extends OnceApplicationContextEventListener<DubboConfigInitEvent> implements PriorityOrdered {
 
-    private final ConfigurableApplicationContext applicationContext;
+    private final ConfigurableEnvironment environment;
 
     DubboConfigInitEventListener(ConfigurableApplicationContext applicationContext) {
-        this.applicationContext = applicationContext;
+        super(applicationContext);
+        this.environment = applicationContext.getEnvironment();
     }
 
     @Override
-    public void onApplicationEvent(DubboConfigInitEvent event) {
-        if (event.getApplicationContext() == applicationContext) {
-            ApplicationModel applicationModel = DubboBeanUtils.getApplicationModel(applicationContext);
-            ConfigManager configManager = applicationModel.getApplicationConfigManager();
-            configManager.addConfigCenter(buildConfigCenterConfig());
-        }
+    public int getOrder() {
+        return HIGHEST_PRECEDENCE;
     }
 
     @Override
-    public int getOrder() {
-        return HIGHEST_PRECEDENCE;
+    protected void onEvent(DubboConfigInitEvent event) {
+        ApplicationModel applicationModel = DubboBeanUtils.getApplicationModel(getApplicationContext());
+        ConfigManager configManager = applicationModel.getApplicationConfigManager();
+        configManager.addConfigCenter(buildConfigCenterConfig());
     }
 
     private ConfigCenterConfig buildConfigCenterConfig() {
-        Map<String, String> externalConfiguration = filterDubboProperties(applicationContext.getEnvironment());
+        Map<String, String> externalConfiguration = filterDubboProperties(environment);
         ConfigCenterConfig configCenterConfig = new ConfigCenterConfig();
         configCenterConfig.setAppExternalConfig(externalConfiguration);
         return configCenterConfig;

support/schbrain-spring-support/src/main/java/com/schbrain/framework/support/spring/OnceApplicationContextEventListener.java

+package com.schbrain.framework.support.spring;
+
+import org.springframework.beans.BeansException;
+import org.springframework.boot.web.context.WebServerInitializedEvent;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ApplicationContextEvent;
+
+import static org.springframework.util.ObjectUtils.nullSafeEquals;
+
+/**
+ * 使用此类可以避免事件被处罚两次导致意外
+ * <p>
+ * 当类路径下存在 actuator,并且指定了不同端口的时候,实现了{@link ApplicationContextEvent}的事件会触发两次
+ *
+ * @author liaozan
+ * @see org.springframework.boot.actuate.autoconfigure.web.server.ManagementContextAutoConfiguration.DifferentManagementContextConfiguration#onApplicationEvent(WebServerInitializedEvent)
+ * @since 2023/7/9
+ */
+@SuppressWarnings("JavadocReference")
+public abstract class OnceApplicationContextEventListener<E extends ApplicationEvent> implements ApplicationListener<E>, ApplicationContextAware {
+
+    private ApplicationContext applicationContext;
+
+    public OnceApplicationContextEventListener() {
+        this(null);
+    }
+
+    public OnceApplicationContextEventListener(ApplicationContext applicationContext) {
+        setApplicationContext(applicationContext);
+    }
+
+    @Override
+    public void onApplicationEvent(E event) {
+        if (nullSafeEquals(getApplicationContext(), event.getSource())) {
+            onEvent(event);
+        }
+    }
+
+    protected ApplicationContext getApplicationContext() {
+        if (applicationContext == null) {
+            throw new IllegalStateException("applicationContext must be not null");
+        }
+        return applicationContext;
+    }
+
+    @Override
+    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
+        this.applicationContext = applicationContext;
+    }
+
+    protected abstract void onEvent(E event);
+
+}

support/schbrain-spring-support/src/main/java/com/schbrain/framework/support/spring/defaults/DefaultPropertiesEnvironmentPostProcessor.java

@@ -62,7 +62,7 @@ public class DefaultPropertiesEnvironmentPostProcessor extends LoggerAwareEnviro
         defaultProperties.put("spring.mvc.throw-exception-if-no-handler-found", true);
         // datetime
         defaultProperties.put("spring.mvc.format.date", DatePattern.NORM_DATE_PATTERN);
-        defaultProperties.put("spring.mvc.format.time", DatePattern.NORM_TIME_FORMAT);
+        defaultProperties.put("spring.mvc.format.time", DatePattern.NORM_TIME_PATTERN);
         defaultProperties.put("spring.mvc.format.date-time", DatePattern.NORM_DATETIME_PATTERN);
         defaultProperties.put("spring.jackson.date-format", DatePattern.NORM_DATETIME_PATTERN);
         defaultProperties.put("spring.jackson.time-zone", TimeZone.getDefault());