eu.hansolo.toolbox.time.Times Maven / Gradle / Ivy

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/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright 2022 Gerrit Grunwald.
 *
 * 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 eu.hansolo.toolbox.time;

import java.time.Instant;
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;


public enum Times {

    /**
     * Format : HH:mm:ss.SSSS
     * Example: 23:59:59.9999
     */
    HH_mm_ss_SSSS("HH:mm:ss.SSSS"),

    /**
     * Format : HH:mm:ss
     * Example: 23:59:59
     */
    HH_mm_ss("HH:mm:ss"),

    /**
     * Format : HH:mm
     * Example: 23:59
     */
    HH_mm("HH:mm"),

    /**
     * Format : HHmmss.SSSS
     * Example: 235959.9999
     */
    HHmmss_SSSS("HHmmss.SSSS"),

    /**
     * Format : HHmmss
     * Example: 235959
     */
    HHmmss("HHmmss"),

    /**
     * Format : HHmm
     * Example: 2359
     */
    HHmm("HHmm"),

    /**
     * Format : HH
     * Example: 23
     */
    HH("HH");

    private final DateTimeFormatter formatter;


    Times(final String formatString) {
        formatter = DateTimeFormatter.ofPattern(formatString);
    }


    public LocalTime parse(final String text) { return LocalTime.parse(text, formatter); }

    public Instant parseTime(final String text)  { return parseTime(text, ZoneId.systemDefault()); }
    public Instant parseTime(final String text, final ZoneId zoneId) { return Instant.parse(text).atZone(zoneId).toInstant(); }


    public String format(final LocalTime time) { return formatter.format(time); }

    public String format(final Instant time) { return format(time, ZoneId.systemDefault()); }
    public String format(final Instant time, final ZoneId zoneId) {
        return format(time.atZone(zoneId).toLocalTime());
    }
}