init

im-server/src/main/java/com/bx/imserver/util/SpringContextHolder.java

@@ -0,0 +1,39 @@
+package com.bx.imserver.util;
+
+import org.springframework.beans.BeansException;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.stereotype.Component;
+
+@Component
+public class SpringContextHolder implements ApplicationContextAware {
+
+    private static ApplicationContext applicationContext;
+
+    @Override
+    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
+        SpringContextHolder.applicationContext = applicationContext;
+    }
+
+    public static ApplicationContext getApplicationContext() {
+        assertApplicationContext();
+        return applicationContext;
+    }
+
+    public static <T> T getBean(String beanName) {
+        assertApplicationContext();
+        return (T) applicationContext.getBean(beanName);
+    }
+
+    public static <T> T getBean(Class<T> requiredType) {
+        assertApplicationContext();
+        return applicationContext.getBean(requiredType);
+    }
+
+    private static void assertApplicationContext() {
+        if (SpringContextHolder.applicationContext == null) {
+            throw new RuntimeException("applicaitonContext属性为null,请检查是否注入了SpringContextHolder!");
+        }
+    }
+
+}