niosx/app/utils/FileUtils.scala

/*
 * Copyright (C) 2020  Prasoon Joshi
 *
 *     This program 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, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program 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 <https://www.gnu.org/licenses/>.
 */
package utils

import java.io.File
import java.{util => ju}

object FileUtils {

  def removeAll(path: String) =
    listRecursively(new File(path)) foreach { f =>
      if(!f.delete) throw new RuntimeException("Failed to delete " + f.getAbsolutePath)
    }
  def remove(f: String) =
    (new File(f)).delete

  def listRecursively(f: File): Seq[File] =
    if (f.exists){
      f.listFiles.filter(_.isDirectory).flatMap(listRecursively) ++ f.listFiles
    }
  else Nil

  def getNewGraphId: String =
    ju.UUID.randomUUID.toString
}