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JDBC Type 4 driver for MySQL
/*
* Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* This program 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 General Public License, version 2.0,
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.cj.result;
/**
* A decorating value factory which translates zero date/time values into NULL.
*
* @param
* value type
*/
public class ZeroDateTimeToNullValueFactory extends BaseDecoratingValueFactory {
public ZeroDateTimeToNullValueFactory(ValueFactory targetVf) {
super(targetVf);
}
@Override
public T createFromDate(int year, int month, int day) {
if (year + month + day == 0) {
return null;
}
return this.targetVf.createFromDate(year, month, day);
}
@Override
public T createFromTimestamp(int year, int month, int day, int hours, int minutes, int seconds, int nanos) {
if (year + month + day + hours + minutes + seconds + nanos == 0) {
return null;
}
return this.targetVf.createFromTimestamp(year, month, day, hours, minutes, seconds, nanos);
}
}