/* * Distributed as part of c3p0 v.0.9.1-pre6 * * Copyright (C) 2005 Machinery For Change, Inc. * * Author: Steve Waldman <swaldman@mchange.com> * * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 2.1, as  * published by the Free Software Foundation. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this software; see the file LICENSE.  If not, write to the * Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. */package com.mchange.v1.db.sql;import java.sql.*;import com.mchange.v2.log.*;public final class ConnectionUtils{    private final static MLogger logger = MLog.getLogger( ConnectionUtils.class );    /**      * @return false iff and Exception occurred while     *         trying to close this object.     */    public static boolean attemptClose(Connection con)    {	try  	    { 		if (con != null) con.close();		//System.err.println("Connection [ " + con + " ] closed."); 		return true; 	    }        catch (SQLException e)	    {		//e.printStackTrace();		//System.err.println("Connection close FAILED.");		if ( logger.isLoggable( MLevel.WARNING ) )		    logger.log( MLevel.WARNING, "Connection close FAILED.", e ); 		return false;	    }    }    public static boolean attemptRollback(Connection con)    {        try 	    {		if (con != null) con.rollback();		return true;	    }        catch (SQLException e)            {		//e.printStackTrace();		if ( logger.isLoggable( MLevel.WARNING ) )		    logger.log( MLevel.WARNING, "Rollback FAILED.", e );		return false;	    }    }    private ConnectionUtils()    {}}