Scala EOFException类代码示例

//设置package包名称以及导入依赖的类
package main.scala.com.github.jasimvs.formula1

import java.io.EOFException


object Main {

  def main(args: Array[String]) {
    //    println(RaceConfig.calculateStartingPosition(4633))
    //    println(RaceConfig.calculateStartingPositionRecursive(4633))
    println("Welcome to Formula 1 racer!")
    println("Once you enter the track length and number of teams, we will declare the winner! To exit, press enter.")
    var flag = true;
    while (flag) {
      val raceService: RaceService = new DefaultRaceService()
      try {
        println("Please enter track length (in kms): ")
        val trackLength = scala.io.StdIn.readInt()
        println(trackLength)
        println("Please enter number of teams: ")
        val noOfTeams = scala.io.StdIn.readInt()
        println(noOfTeams)
        if (trackLength > 0 && noOfTeams > 0) {
          val race1 = raceService.race(RaceConfig(trackLength, noOfTeams))
          printResult(race1)
        } else {
          //flag = false
          println("Only positive numbers are valid.")
        }
      } catch {
        case nfe: NumberFormatException =>
          flag = false
        case eof: EOFException =>
          flag = false
      }
    }
    println("Exiting...")
  }

  def printResult(raceConfig: RaceConfig) = {
    raceConfig.teams.map(team => println(s"Team ${team.teamNumber} # Time: ${team.raceTime} seconds # Final speed: ${team.getCurrentSpeedInKmph} kmph"))
  }

} 

//设置package包名称以及导入依赖的类
package org.dsa.iot.ignition

import scala.tools.nsc.interpreter._
import scala.tools.nsc._
import scala.util.Try
import java.io.File
import scala.annotation.tailrec
import java.io.EOFException

object Repl {
  val prompt = ""
  
  val settings = buildSettings
  val main = new IMain(settings)
  
  def run() = {
    main.interpret("import org.dsa.iot.ignition._")
    main.interpret("import org.dsa.iot.ignition.core._")
    main.interpret("import Main.requester")
    main.interpret("import Main.responder")
    
    loop(str => main.interpret(str))
  }
  
  def loop(action: (String) => Unit) {
    @tailrec def inner() {
      Console.print(prompt)
      val line = try scala.io.StdIn.readLine catch { case _: EOFException => null }
      if (line != null && line != "") {
        action(line)
        inner()
      }
    }
    inner()
  }  
  
  private def buildSettings = {
    val s = new Settings
    s.usejavacp.value = false
    s.deprecation.value = true
    s.classpath.value += File.pathSeparator + System.getProperty( "java.class.path" )
    s
  }  
} 

//设置package包名称以及导入依赖的类
package org.apache.flink.contrib.tensorflow.io

import java.io.{EOFException, IOException, InputStream}

import org.apache.flink.api.common.io.FileInputFormat
import org.apache.flink.configuration.Configuration
import org.apache.flink.core.fs._
import org.apache.flink.util.Preconditions.checkState


  @throws[IOException]
  def readRecord(reuse: T, filePath: Path, fileStream: FSDataInputStream, fileLength: Long): T

  // --------------------------------------------------------------------------------------------
  //  Lifecycle
  // --------------------------------------------------------------------------------------------

  override def nextRecord(reuse: T): T = {
    checkState(!reachedEnd())
    checkState(currentSplit != null && currentSplit.getStart == 0)
    checkState(stream != null)
    readRecord(reuse, currentSplit.getPath, stream, currentSplit.getLength)
  }

  override def reachedEnd(): Boolean = {
    stream.getPos != 0
  }
}

@SerialVersionUID(1L)
object WholeFileInputFormat {

  @throws[IOException]
  def readFully(fileStream: FSDataInputStream, fileLength: Long): Array[Byte] = {
    if(fileLength > Int.MaxValue) {
      throw new IllegalArgumentException("the file is too large to be fully read")
    }
    val buf = new Array[Byte](fileLength.toInt)
    readFully(fileStream, buf, 0, fileLength.toInt)
    buf
  }

  @throws[IOException]
  def readFully(inputStream: InputStream, buf: Array[Byte], off: Int, len: Int): Array[Byte] = {
    var bytesRead = 0
    while (bytesRead < len) {
      val read = inputStream.read(buf, off + bytesRead, len - bytesRead)
      if (read < 0) throw new EOFException("Premature end of stream")
      bytesRead += read
    }
    buf
  }
}