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/*
 * Copyright (c) 2022 vitasystems GmbH and Hannover Medical School.
 *
 * This file is part of project EHRbase
 *
 * Licensed 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.
 */
package org.ehrbase.aql.sql.binding;

import java.time.ZonedDateTime;
import java.time.format.DateTimeParseException;

/**
 * do some smart guess to identify if a string is an ISO8601 data/time with timezone
 */
public class DateTimes {
    String testItem;

    public DateTimes(String toCheck) {
        this.testItem = toCheck;
    }

    public boolean isDateTimeZoned() {
        try {
            if (testItem.startsWith("'") && testItem.endsWith("'"))
                testItem = testItem.substring(1, testItem.length() - 1);
            ZonedDateTime.parse(testItem);
            return true;
        } catch (DateTimeParseException e) {
            return false;
        }
    }
}