Util.java

/*
 * Copyright 2013 Thomas Hoffmann
 * 
 * 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 de.j4velin.pedometer.util;

import java.util.Calendar;

public abstract class Util {

    /**
     * @return milliseconds since 1.1.1970 for today 0:00:00 local timezone
     */
    public static long getToday() {
        Calendar c = Calendar.getInstance();
        c.setTimeInMillis(System.currentTimeMillis());
        c.set(Calendar.HOUR_OF_DAY, 0);
        c.set(Calendar.MINUTE, 0);
        c.set(Calendar.SECOND, 0);
        c.set(Calendar.MILLISECOND, 0);
        return c.getTimeInMillis();
    }

    /**
     * @return milliseconds since 1.1.1970 for tomorrow 0:00:01 local timezone
     */
    public static long getTomorrow() {
        Calendar c = Calendar.getInstance();
        c.setTimeInMillis(System.currentTimeMillis());
        c.set(Calendar.HOUR_OF_DAY, 0);
        c.set(Calendar.MINUTE, 0);
        c.set(Calendar.SECOND, 1);
        c.set(Calendar.MILLISECOND, 0);
        c.add(Calendar.DATE, 1);
        return c.getTimeInMillis();
    }
}