Initial commit

renren-common/src/main/java/io/renren/common/utils/SpringContextUtils.java

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+/**
+ * Copyright (c) 2018 人人开源 All rights reserved.
+ *
+ * https://www.renren.io
+ *
+ * 版权所有，侵权必究！
+ */
+
+package io.renren.common.utils;
+
+import org.springframework.beans.BeansException;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.stereotype.Component;
+
+/**
+ * Spring Context 工具类
+ * 
+ * @author Mark sunlightcs@gmail.com
+ */
+@Component
+public class SpringContextUtils implements ApplicationContextAware {
+	public static ApplicationContext applicationContext; 
+
+	@Override
+	public void setApplicationContext(ApplicationContext applicationContext)
+			throws BeansException {
+		SpringContextUtils.applicationContext = applicationContext;
+	}
+
+	public static Object getBean(String name) {
+		return applicationContext.getBean(name);
+	}
+
+	public static <T> T getBean(Class<T> requiredType) {
+		return applicationContext.getBean(requiredType);
+	}
+
+	public static <T> T getBean(String name, Class<T> requiredType) {
+		return applicationContext.getBean(name, requiredType);
+	}
+
+	public static boolean containsBean(String name) {
+		return applicationContext.containsBean(name);
+	}
+
+	public static boolean isSingleton(String name) {
+		return applicationContext.isSingleton(name);
+	}
+
+	public static Class<? extends Object> getType(String name) {
+		return applicationContext.getType(name);
+	}
+
+}