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JDBC Type 4 driver for MySQL.
There is a newer version: 9.1.0
/*
 * Copyright (c) 2016, 2024, Oracle and/or its affiliates.
 *
 * 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 designed to work with certain software 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 either included with the program or referenced in the documentation.
 *
 * 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;

import java.time.LocalDate;

import com.mysql.cj.Messages;
import com.mysql.cj.WarningListener;
import com.mysql.cj.conf.PropertySet;
import com.mysql.cj.exceptions.DataReadException;
import com.mysql.cj.protocol.InternalDate;
import com.mysql.cj.protocol.InternalTime;
import com.mysql.cj.protocol.InternalTimestamp;

/**
 * A value factory for creating {@link LocalDate} values.
 */
public class LocalDateValueFactory extends AbstractDateTimeValueFactory {

    private WarningListener warningListener;

    public LocalDateValueFactory(PropertySet pset) {
        super(pset);
    }

    public LocalDateValueFactory(PropertySet pset, WarningListener warningListener) {
        this(pset);
        this.warningListener = warningListener;
    }

    @Override
    public LocalDate localCreateFromDate(InternalDate idate) {
        if (idate.getYear() == 0 && idate.getMonth() == 0 && idate.getDay() == 0) {
            throw new DataReadException(Messages.getString("ResultSet.InvalidZeroDate"));
        }
        return LocalDate.of(idate.getYear(), idate.getMonth(), idate.getDay());
    }

    @Override
    public LocalDate localCreateFromTimestamp(InternalTimestamp its) {
        if (this.warningListener != null) {
            this.warningListener.warningEncountered(Messages.getString("ResultSet.PrecisionLostWarning", new Object[] { getTargetTypeName() }));
        }
        // truncate any time information
        return createFromDate(its);
    }

    @Override
    public LocalDate localCreateFromDatetime(InternalTimestamp its) {
        if (this.warningListener != null) {
            this.warningListener.warningEncountered(Messages.getString("ResultSet.PrecisionLostWarning", new Object[] { getTargetTypeName() }));
        }
        // truncate any time information
        return createFromDate(its);
    }

    @Override
    LocalDate localCreateFromTime(InternalTime it) {
        return LocalDate.of(1970, 1, 1);
    }

    @Override
    public String getTargetTypeName() {
        return LocalDate.class.getName();
    }

}