add HibernateConnectionProvider

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

@@ -24,7 +24,7 @@ public class WrapperAdapter implements Wrapper {
     }
 
     @Override
-    public boolean isWrapperFor(Class<?> iface) throws SQLException {
+    public boolean isWrapperFor(Class<?> iface) {
         if (iface == null) {
             return false;
         }
@@ -38,7 +38,7 @@ public class WrapperAdapter implements Wrapper {
 
     @SuppressWarnings("unchecked")
     @Override
-    public <T> T unwrap(Class<T> iface) throws SQLException {
+    public <T> T unwrap(Class<T> iface) {
         if (iface == null) {
             return null;
         }

src/main/java/com/alibaba/druid/support/hibernate/DruidConnectionProvider.java

@@ -0,0 +1,61 @@
+package com.alibaba.druid.support.hibernate;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Map;
+
+import org.hibernate.service.jdbc.connections.spi.ConnectionProvider;
+import org.hibernate.service.spi.Configurable;
+import org.hibernate.service.spi.Stoppable;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.pool.DruidDataSourceFactory;
+
+public class DruidConnectionProvider implements ConnectionProvider, Configurable, Stoppable {
+
+    private static final long serialVersionUID = 1026193803901107651L;
+
+    private DruidDataSource   dataSource;
+
+    @SuppressWarnings("rawtypes")
+    @Override
+    public boolean isUnwrappableAs(Class unwrapType) {
+        return dataSource.isWrapperFor(unwrapType);
+    }
+
+    @Override
+    public <T> T unwrap(Class<T> unwrapType) {
+        return dataSource.unwrap(unwrapType);
+    }
+
+    @Override
+    public Connection getConnection() throws SQLException {
+        return dataSource.getConnection();
+    }
+
+    @Override
+    public void closeConnection(Connection conn) throws SQLException {
+        conn.close();
+    }
+
+    @Override
+    public boolean supportsAggressiveRelease() {
+        return false;
+    }
+
+    @SuppressWarnings("rawtypes")
+    @Override
+    public void configure(Map configurationValues) {
+        try {
+            DruidDataSourceFactory.config(dataSource, configurationValues);
+        } catch (SQLException e) {
+            throw new IllegalArgumentException("config error", e);
+        }
+    }
+
+    @Override
+    public void stop() {
+        dataSource.close();
+    }
+
+}