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// Copyright 2018 UANGEL
//
// 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.thing2x.smqd
import java.util.concurrent.TimeUnit
/**
* 2018. 6. 24. - Created by Kwon, Yeong Eon
*/
package object util {
private val units = List(
(TimeUnit.DAYS,"days"),
(TimeUnit.HOURS,"hours"),
(TimeUnit.MINUTES,"minutes"),
(TimeUnit.SECONDS,"seconds"))
def humanReadableTime(timediff: Long): String = {
val init = ("", timediff)
units.foldLeft(init){ case (acc,next) =>
val (human, rest) = acc
val (unit, name) = next
val res = unit.convert(rest,TimeUnit.MILLISECONDS)
val str = if (res > 0) human + " " + res + " " + name else human
val diff = rest - TimeUnit.MILLISECONDS.convert(res,unit)
(str,diff)
}._1.trim
}
def humanReadableSize(fileSize: Long): String = {
if(fileSize <= 0) return "0 B"
// kilo, Mega, Giga, Tera, Peta, Exa, Zetta, Yotta
val units: Array[String] = Array("B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
val digitGroup: Int = (Math.log10(fileSize)/Math.log10(1024)).toInt
val unit = units(digitGroup)
if (unit == "B")
f"${fileSize/Math.pow(1024, digitGroup)}%.0f $unit"
else
f"${fileSize/Math.pow(1024, digitGroup)}%.2f $unit"
}
}
