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 *   Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
 *
 *    https://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.
 ****************************************************************/
// This code used in docs too, so it should be formatted
// to 80 char line to fit in PDF.
package org.apache.cayenne.tutorial.persistent;

import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;

import org.apache.cayenne.tutorial.persistent.auto._Artist;

// tag::content[]
public class Artist extends _Artist {

    static final String DEFAULT_DATE_FORMAT = "yyyyMMdd";

    /**
     * Sets date of birth using a string in format yyyyMMdd.
     */
    public void setDateOfBirthString(String yearMonthDay) {
        if (yearMonthDay == null) {
            setDateOfBirth(null);
            return;
        }

        LocalDate date;
        try {
            DateTimeFormatter formatter = DateTimeFormatter
                    .ofPattern(DEFAULT_DATE_FORMAT);
            date = LocalDate.parse(yearMonthDay, formatter);
        } catch (DateTimeParseException e) {
            throw new IllegalArgumentException(
                    "A date argument must be in format '"
                            + DEFAULT_DATE_FORMAT + "': " + yearMonthDay);
        }
        setDateOfBirth(date);
    }
}
// end::content[]
