/**
* Copyright (c) 2011-2012, James Zhan 詹波 (jfinal@126.com).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jfinal.plugin.activerecord;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.sql.Connection;
import com.jfinal.log.Logger;
/**
* SqlReporter.
*/
public class SqlReporter implements InvocationHandler {
private Connection conn;
private static boolean loggerOn = false;
private static final Logger log = Logger.getLogger(SqlReporter.class);
SqlReporter(Connection conn) {
this.conn = conn;
}
public static void setLogger(boolean on) {
SqlReporter.loggerOn = on;
}
@SuppressWarnings("rawtypes")
Connection getConnection() {
Class clazz = conn.getClass();
return (Connection)Proxy.newProxyInstance(clazz.getClassLoader(), new Class[]{Connection.class}, this);
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
try {
if (method.getName().equals("prepareStatement")) {
String info = "Sql: " + args[0];
if (loggerOn)
log.info(info);
else
System.out.println(info);
}
return method.invoke(conn, args);
} catch (InvocationTargetException e) {
throw e.getTargetException();
}
}
}