com.kotlinnlp.utils.progressindicator.ProgressIndicatorBar.kt Maven / Gradle / Ivy

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Utils is a Kotlin package containing utilities for the KotlinNLP library.

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/* Copyright 2016-present The KotlinNLP Authors. All Rights Reserved.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at http://mozilla.org/MPL/2.0/.
 * ------------------------------------------------------------------*/

package com.kotlinnlp.utils.progressindicator

import java.io.OutputStream

/**
 * Helper that tracks a progress indicating it with a increasing bar.
 */
class ProgressIndicatorBar(total: Int, outputStream: OutputStream = System.out, val barLength: Int = 50)
  : ProgressIndicator(total = total, outputStream = outputStream) {

  /**
   * Build the current progress string.
   *
   * @return a string with the current progress indicator
   */
  override fun buildProgressString(): String {

    var printStr = "|"

    val progressLength = Math.floor(this.barLength * this.perc / 100.0).toInt()

    (0 until progressLength).forEach { printStr += "█" }
    (progressLength until this.barLength).forEach { printStr += " " }

    printStr += "| ${this.perc}%"

    return printStr
  }
}