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/*
* Copyright (C) 2012 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.tradefed.util;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
import java.util.concurrent.TimeUnit;
/**
* Contains time related utility methods.
*/
public class TimeUtil {
// only static methods, don't allow construction
private TimeUtil() {
}
/**
* Return a prettified version of the given elapsed time in milliseconds.
*/
public static String formatElapsedTime(long elapsedTimeMs) {
if (elapsedTimeMs < 1000) {
return String.format("%d ms", elapsedTimeMs);
}
long seconds = TimeUnit.MILLISECONDS.toSeconds(elapsedTimeMs) % 60;
long minutes = TimeUnit.MILLISECONDS.toMinutes(elapsedTimeMs) % 60;
long hours = TimeUnit.MILLISECONDS.toHours(elapsedTimeMs);
StringBuilder time = new StringBuilder();
if (hours > 0) {
time.append(hours);
time.append("h ");
}
if (minutes > 0) {
time.append(minutes);
time.append("m ");
}
time.append(seconds);
time.append("s");
return time.toString();
}
/**
* Return a readable formatted version of the given epoch time.
*
* @param epochTime the epoch time in milliseconds
* @return a user readable string
*/
public static String formatTimeStamp(long epochTime) {
return formatTimeStamp(epochTime, null);
}
/**
* Internal helper to print a time with the given date format, or a default format if none
* is provided.
*/
private static String formatTimeStamp(long epochTime, SimpleDateFormat format) {
if (format == null) {
format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
}
return format.format(new Date(epochTime));
}
/**
* Return a readable formatted version of the given epoch time in GMT time instead of the local
* timezone.
*
* @param epochTime the epoch time in milliseconds
* @return a user readable string
*/
public static String formatTimeStampGMT(long epochTime) {
SimpleDateFormat timeFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
timeFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
return formatTimeStamp(epochTime, timeFormat);
}
}