#333: ConsoleTimeoutReader.kt

Исходный код (первые 100 строк)

/////////////////////////////////////////////////////////////////////////////
//
// Project ProjectForge Community Edition
//         www.projectforge.org
//
// Copyright (C) 2001-2026 Micromata GmbH, Germany (www.micromata.com)
//
// ProjectForge is dual-licensed.
//
// This community edition is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as published
// by the Free Software Foundation; version 3 of the License.
//
// This community edition is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, see http://www.gnu.org/licenses/.
//
/////////////////////////////////////////////////////////////////////////////

package org.projectforge.start

import mu.KotlinLogging
import org.apache.commons.lang3.StringUtils
import org.slf4j.LoggerFactory
import java.io.BufferedReader
import java.io.IOException
import java.io.InputStreamReader
import java.time.Duration
import java.util.concurrent.ExecutionException
import java.util.concurrent.Executors
import java.util.concurrent.TimeUnit
import java.util.concurrent.TimeoutException
import kotlin.system.exitProcess

private val log = KotlinLogging.logger {}

/**
 * Для чтения ввода с системной консоли (с тайм-аутом).
 */
open class ConsoleTimeoutReader
/**
 * @param question
 * @param defaultAnswer Ответ, если пользователь просто нажимает Enter.
 */
@JvmOverloads
constructor(
  private val question: String,
  private val defaultAnswer: String? = null,
  var timeOutSeconds: Int = CONSOLE_INPUT_TIMEOUT
) {
  private val streamReader = InputStreamReader(System.`in`)
  private val bufferedReader = BufferedReader(streamReader)

  fun ask(): String? {
    log.info("ProjectForge ожидает $timeOutSeconds секунд вашего ввода в консоли (если работаете без консоли, ProjectForge продолжит в любом случае): $question")
    println()
    println(StringUtils.center(" ВОПРОС ", 120, "?"))
    println()
    var answer: String?
    do {
      answer = readConsoleAnswerWithTimeout()
      if (answer == null) return null
      val result = if (defaultAnswer != null && answer.isEmpty()) {
        defaultAnswer
      } else {
        answer.trim { it <= ' ' }.lowercase()
      }
      if (answerValid(result)) return result
    } while (true)
  }

  /**
   * Если пользователь просто нажимает Enter, параметр answer будет содержать настроенный ответ по умолчанию или пустую строку,
   * если значение по умолчанию не задано.
   *
   * @param answer Ответ, полученный из консоли ("" или ввод в нижнем регистре).
   * @return true, если ответ начинается с 'y' или 'n', иначе false.
   */
  protected open fun answerValid(answer: String): Boolean {
    return answer.startsWith("y") || answer.startsWith("n")
  }

  private fun readConsoleAnswerWithTimeout(): String? {
    val timeout = Duration.ofSeconds(timeOutSeconds.toLong())
    val executor = Executors.newSingleThreadExecutor()
    val handler = executor.submit<String> { readConsoleAnswer(question) }
    var answer: String? = null
    try {
      answer = handler[timeout.toMillis(), TimeUnit.MILLISECONDS]
    } catch (ex: TimeoutException) {
      log.info("Тайм-аут ввода с консоли превышен (>" + timeOutSeconds + "с). Прерывание.")
      handler.cancel(true)
    } catch (ex: InterruptedException) {
      log.info("Тайм-аут ввода с консоли превышен (>" + timeOutSeconds + "с). Прерывание.")
      handler.cancel(true)
    } catch (ex: ExecutionException) {

История Git

868d6abb7 2025 -> 2026
63081666f Заголовки исходных файлов: 2024-> 2025.
b6092df09 Авторские права 2023 -> 2024
ab45d51fa Авторские права 2001-2022 -> 2001-2023.
4def09990 Устаревшие функции Kotlin: toLowerCase -> lowerCase, toUpperCase -> uppercase.

868d6abb75cd191a892911ac8e45058932cf9074
diff --git a/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt b/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
index 6464bf280..95e1afbea 100644
--- a/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
+++ b/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
@@ -3,7 +3,7 @@
 // Project ProjectForge Community Edition
 //         www.projectforge.org
 //
-// Copyright (C) 2001-2025 Micromata GmbH, Germany (www.micromata.com)
+// Copyright (C) 2001-2026 Micromata GmbH, Germany (www.micromata.com)
 //
 // ProjectForge is dual-licensed.
 //

63081666f620fb87315f01b817e560e0b2f6a33a
diff --git a/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt b/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
index e2d880025..6464bf280 100644
--- a/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
+++ b/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
@@ -3,7 +3,7 @@
 // Project ProjectForge Community Edition
 //         www.projectforge.org
 //
-// Copyright (C) 2001-2024 Micromata GmbH, Germany (www.micromata.com)
+// Copyright (C) 2001-2025 Micromata GmbH, Germany (www.micromata.com)
 //
 // ProjectForge is dual-licensed.
 //

b6092df0927c4a3b161e888445f31dcab57493f2
diff --git a/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt b/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
index ea873a836..e2d880025 100644
--- a/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
+++ b/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
@@ -3,7 +3,7 @@
 // Project ProjectForge Community Edition
 //         www.projectforge.org
 //
-// Copyright (C) 2001-2023 Micromata GmbH, Germany (www.micromata.com)
+// Copyright (C) 2001-2024 Micromata GmbH, Germany (www.micromata.com)
 //
 // ProjectForge is dual-licensed.
 //

ab45d51fa419ede6174b31d69987f96d4b841ff9
diff --git a/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt b/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
index 133bc81d1..ea873a836 100644
--- a/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
+++ b/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
@@ -3,7 +3,7 @@
 // Project ProjectForge Community Edition
 //         www.projectforge.org
 //
-// Copyright (C) 2001-2022 Micromata GmbH, Germany (www.micromata.com)
+// Copyright (C) 2001-2023 Micromata GmbH, Germany (www.micromata.com)
 //
 // ProjectForge is dual-licensed.
 //

4def099906252d291059bdc513a2273ebd704228
diff --git a/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt b/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
index 55fb4a075..133bc81d1 100644
--- a/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
+++ b/projectforge-application/src/main/kotlin/org/projectforge/start/ConsoleTimeoutReader.kt
@@ -67,7 +67,7 @@ constructor(
       val result = if (defaultAnswer != null && answer.isEmpty()) {
         defaultAnswer
       } else {
-        answer.trim { it <= ' ' }.toLowerCase()
+        answer.trim { it <= ' ' }.lowercase()
       }
       if (answerValid(result)) return result
     } while (true)