services/tests/servicestests/src/com/android/server/people/data/TestUtils.java

/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * 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
 *
 *      http://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 com.android.server.people.data;

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;

final class TestUtils {

    /**
     * Gets the epoch time in millis for the specified time string.
     * @param timeString e.g. "01-02 15:20"
     * @return epoch time in millis
     */
    static long timestamp(String timeString) {
        String str = String.format("2020-%s", timeString);
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm");
        return toEpochMilli(LocalDateTime.parse(str, formatter));
    }

    private static long toEpochMilli(LocalDateTime localDateTime) {
        return localDateTime.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli();
    }

    private TestUtils() {
    }
}