jmx support

src/test/java/com/alibaba/druid/bvt/pool/SpringFilterTest.java

@@ -2,6 +2,7 @@ package com.alibaba.druid.bvt.pool;
 
 import java.sql.Connection;
 import java.sql.SQLException;
+import java.sql.Statement;
 import java.util.Properties;
 import java.util.concurrent.atomic.AtomicLong;
 
@@ -35,6 +36,12 @@ public class SpringFilterTest extends TestCase {
 
         DataSource dataSource = (DataSource) context.getBean("dataSource");
         Connection conn = dataSource.getConnection();
+
+        Statement stmt = conn.createStatement();
+        stmt.execute("select 1");
+        stmt.execute("select 2");
+        stmt.execute("select 1");
+        stmt.close();
         conn.close();
 
         TestFilter filter = (TestFilter) context.getBean("test-filter");

src/test/java/com/alibaba/druid/spring/MBeanServerFactoryBean.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2011 Alibaba.com All right reserved. This software is the
+ * confidential and proprietary information of Alibaba.com ("Confidential
+ * Information"). You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Alibaba.com.
+ */
+package com.alibaba.druid.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;
+    }
+
+}