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Java objects based on the public SIRI XSDs

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/*
 * Licensed under the EUPL, Version 1.2 or – as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 *
 *   https://joinup.ec.europa.eu/software/page/eupl
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 */

package org.entur.siri.adapter;

import java.time.*;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.util.Objects;

public class ZonedDateTimeAdapter {

    /**
     * Parses dateTime to ZonedDateTime with optional zone.
     * If Zone is not provided, local system default is used.
     *
     * @param dateTime ISO-formatted string
     */
    public static ZonedDateTime parse(String dateTime) {
        Objects.requireNonNull(dateTime, "dateTime");
        ZonedDateTime parsed;
        try {
            parsed = ZonedDateTime.parse(dateTime);
        } catch (DateTimeParseException e) {
            LocalDateTime parse1 = LocalDateTime.parse(dateTime, DateTimeFormatter.ISO_LOCAL_DATE_TIME);
            parsed = ZonedDateTime.ofLocal(parse1, ZoneId.systemDefault(), ZoneOffset.ofHours(0));

        }
        return parsed.withZoneSameInstant(ZoneId.systemDefault());
    }

}