enhance spring support

src/main/java/com/alibaba/druid/pool/DruidDataSourceFactory.java

@@ -118,7 +118,7 @@ public class DruidDataSourceFactory implements ObjectFactory {
      * @param properties the datasource configuration properties
      * @throws Exception if an error occurs creating the data source
      */
-    @SuppressWarnings("deprecation")
+    @SuppressWarnings({ "deprecation", "rawtypes" })
     public static DataSource createDataSource(Map properties) throws Exception {
         DruidDataSource dataSource = new DruidDataSource();
         String value = null;

src/main/java/com/alibaba/druid/support/spring/MBeanServerFactoryBean.java

@@ -0,0 +1,23 @@
+package com.alibaba.druid.support.spring;
+
+import java.lang.management.ManagementFactory;
+
+import javax.management.MBeanServer;
+
+import org.springframework.beans.factory.FactoryBean;
+
+public class MBeanServerFactoryBean implements FactoryBean {
+
+    public MBeanServer getObject() throws Exception {
+        return ManagementFactory.getPlatformMBeanServer();
+    }
+
+    public Class<?> getObjectType() {
+        return ManagementFactory.getPlatformMBeanServer().getClass();
+    }
+
+    public boolean isSingleton() {
+        return true;
+    }
+
+}