Scala Pattern类代码示例

//设置package包名称以及导入依赖的类
package com.xcodersteam.idea.plugins.mkupscss


import java.awt.datatransfer.StringSelection
import java.util.regex.Pattern

import com.intellij.openapi.actionSystem.{AnAction, AnActionEvent, CommonDataKeys}
import com.intellij.openapi.ide.CopyPasteManager
import com.intellij.openapi.ui.popup.JBPopupFactory
import com.intellij.openapi.util.text.StringUtil
import com.intellij.openapi.wm.WindowManager



class GenerateSCSSAction extends AnAction {

  val pattern = Pattern.compile("<[^>]*>")

  override def update(e: AnActionEvent): Unit = {
    val project = e.getData(CommonDataKeys.PROJECT)
    val editor = e.getData(CommonDataKeys.EDITOR)
    val lang = e.getData(CommonDataKeys.PSI_FILE).getFileType.getName
    e.getPresentation.setVisible(CodeLangHelper.langs.get(lang).isDefined && project != null && editor != null)
    e.getPresentation.setEnabled(editor.getSelectionModel.hasSelection() && pattern.matcher(editor.getSelectionModel.getSelectedText).find())
  }

  override def actionPerformed(anActionEvent: AnActionEvent): Unit = {
    val editor = anActionEvent.getData(CommonDataKeys.EDITOR)
    val lang = anActionEvent.getData(CommonDataKeys.PSI_FILE).getFileType.getName
    val text = editor.getSelectionModel.getSelectedText()

    val statusBar = WindowManager.getInstance().getStatusBar(editor.getProject)
    val codeLang = CodeLangHelper.langs.get(lang).orNull
    val prefix = "[" + codeLang.name + "->SCSS]"
    try {
      if (codeLang == null)
        throw new CodeConvertingException(message = "Failed to recognize file type")
      val generated = CodeConverter(codeLang.prepareText(text), codeLang)
      CopyPasteManager.getInstance().setContents(new StringSelection(StringUtil.convertLineSeparators(generated, "\n")))
      JBPopupFactory.getInstance()
        .createHtmlTextBalloonBuilder(prefix + " Successful generated scss and copied to clipboard", com.intellij.openapi.ui.MessageType.INFO, null)
        .setFadeoutTime(5000)
        .createBalloon().showInCenterOf(statusBar.getComponent)
    } catch {
      case e: CodeConvertingException =>
        JBPopupFactory.getInstance()
          .createHtmlTextBalloonBuilder(e.errorMessage, com.intellij.openapi.ui.MessageType.ERROR, null)
          .setFadeoutTime(5000)
          .createBalloon().showInCenterOf(statusBar.getComponent)
    }

  }
} 

//设置package包名称以及导入依赖的类
package org.argus.amandroid.core.util

import org.argus.jawa.core.util._
import java.util.regex.Pattern

import org.argus.jawa.core.{JavaKnowledge, Signature}


object PScoutTranslator {
  def main(args: Array[String]): Unit = {
    val filepath = args(0)
    val fileuri = FileUtil.toUri(filepath)
    translate(fileuri)
  }
  
  def translate(uri: FileResourceUri): IMap[String, ISet[Signature]] = {
    val permissionMap: MMap[String, MSet[Signature]] = mmapEmpty
    var currentPermission: String = null
    scala.io.Source.fromFile(FileUtil.toFile(uri)).getLines().foreach {
      case permission if permission.startsWith("Permission:") =>
        currentPermission = permission.replace("Permission:", "")
      case sigstr if sigstr.startsWith("<") =>
        val sig = formatSignature(sigstr)
        permissionMap.getOrElseUpdate(currentPermission, msetEmpty) ++= sig
      case _ =>
    }
    permissionMap.map{case (k, v) => (k, v.toSet)}.toMap
  }
  //                                    1            2                     3                     4
  private val regex = "<([[^\\s]&&[^:]]+):\\s([^\\s]+)\\s([[^\\s]&&[^\\(]]+)\\(([[^\\s]&&[^\\)]]*)\\)>\\s+\\(.*\\)"
  private def formatSignature(sigstr: String): Option[Signature] = {
    val p: Pattern = Pattern.compile(regex)
    val m = p.matcher(sigstr)
    if(m.find()){
      val classTypStr = m.group(1)
      val retTypStr = m.group(2)
      val methodName = m.group(3)
      val paramTypStrList = m.group(4).split(",")
      val classTyp = JavaKnowledge.getTypeFromJawaName(classTypStr)
      val protosb = new StringBuilder
      protosb.append("(")
      paramTypStrList.foreach{
        paramTypStr =>
          if(!paramTypStr.isEmpty)
            protosb.append(JavaKnowledge.formatTypeToSignature(JavaKnowledge.getTypeFromJawaName(paramTypStr)))
      }
      protosb.append(")")
      protosb.append(JavaKnowledge.formatTypeToSignature(JavaKnowledge.getTypeFromJawaName(retTypStr)))
      Some(Signature(classTyp, methodName, protosb.toString()))
    } else {
      System.err.println("PScoutTranslator, does not match: " + sigstr)
      None
    }
  }
} 

//设置package包名称以及导入依赖的类
package org.argus.jawa.core.util

import java.util.regex.Pattern

 
object URLInString {
  def extract(str: String): Set[String] = {
    val results = msetEmpty[String]
    val regex = "\\b(((ht|f)tp(s?)\\:\\/\\/|~\\/|\\/)|www.)" + 
            "(\\w+:\\[email protected])?(([-\\w]+\\.)+(com|org|net|gov" + 
            "|mil|biz|info|mobi|name|aero|jobs|museum" + 
            "|travel|[a-z]{2}))(:[\\d]{1,5})?" + 
            "(((\\/([-\\w~!$+|.,=]|%[a-f\\d]{2})+)+|\\/)+|\\?|#)?" + 
            "((\\?([-\\w~!$+|.,*:]|%[a-f\\d{2}])+=?" +
            "([-\\w~!$+|.,*:=]|%[a-f\\d]{2})*)" + 
            "(&(?:[-\\w~!$+|.,*:]|%[a-f\\d{2}])+=?" + 
            "([-\\w~!$+|.,*:=]|%[a-f\\d]{2})*)*)*" + 
            "(#([-\\w~!$+|.,*:=]|%[a-f\\d]{2})*)?\\b"
    val p = Pattern.compile(regex)
    val m = p.matcher(str)
    while(m.find()) {
      var urlStr = m.group()
      if (urlStr.startsWith("(") && urlStr.endsWith(")"))
      {
        urlStr = urlStr.substring(1, urlStr.length() - 1)
      }
      results.add(urlStr)
    }
    results.toSet
  }
} 

//设置package包名称以及导入依赖的类
package utils

import java.text.Normalizer
import java.util.regex.Pattern
import java.security.SecureRandom
import scala.util.Try

object StringUtils {

  def generateUuid(): String = {
    java.util.UUID.randomUUID().toString
  }

  def deAccent(str: String): String = {
    if (str == null || str.isEmpty) {
      ""
    } else {
      val nfdNormalizedString: String = Normalizer.normalize(str, Normalizer.Form.NFD);
      val pattern: Pattern = Pattern.compile("\\p{InCombiningDiacriticalMarks}+");
      pattern.matcher(nfdNormalizedString).replaceAll("");
    }
  }

  
  //Random Generator
  private[this] val random = new SecureRandom()

  // Generate a random string of length n from the given alphabet
  private[this] def randomString(alphabet: String)(n: Int): String = {
    Stream.continually(random.nextInt(alphabet.size)).map(alphabet).take(n).mkString
  }

  // Generate a random alphabnumeric string of length n
  def randomAlphanumericString(n: Int): String = {
    randomString("abcdefghijklmnopqrstuvwxyz0123456789")(n)
  }
} 

//设置package包名称以及导入依赖的类
package info.matsumana.flink

import java.util.regex.Pattern
import java.util.{HashMap, Properties}

import com.fasterxml.jackson.databind.ObjectMapper
import org.apache.flink.api.java.utils.ParameterTool
import org.apache.flink.streaming.api.scala._
import org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer010
import org.apache.flink.streaming.connectors.twitter.TwitterSource
import org.apache.flink.streaming.util.serialization.SimpleStringSchema

object TweetCollect {

  val DELETED_TWEET_PATTERN = Pattern.compile("""^\{"delete":\{""")

  // ????
  val TARGET_TWEET_PATTERN = Pattern.compile("^.*[\u3040-\u3096]+.*$")

  val mapper = new ObjectMapper()

  def main(args: Array[String]): Unit = {
    val params = ParameterTool.fromPropertiesFile(args(0))

    val env = StreamExecutionEnvironment.getExecutionEnvironment
    env.enableCheckpointing(60000)

    // source (twitter)
    val twitterProps = new Properties()
    twitterProps.setProperty(TwitterSource.CONSUMER_KEY, params.get("consumer_key", ""))
    twitterProps.setProperty(TwitterSource.CONSUMER_SECRET, params.get("consumer_secret", ""))
    twitterProps.setProperty(TwitterSource.TOKEN, params.get("token", ""))
    twitterProps.setProperty(TwitterSource.TOKEN_SECRET, params.get("token_secret", ""))
    val sourceStream = env.addSource(new TwitterSource(twitterProps))

    // sink (kafka)
    val kafkaProps = new Properties()
    kafkaProps.setProperty("bootstrap.servers", params.get("bootstrap.servers", "localhost:9092"))
    val topic = params.get("topic", "twitter")
    val sink = new FlinkKafkaProducer010[String](
      topic,
      new SimpleStringSchema,
      kafkaProps)

    // stream processing
    sourceStream
      .filter(!DELETED_TWEET_PATTERN.matcher(_).matches())
      .map(mapper.readValue(_, classOf[HashMap[String, Object]]))
      .filter(m => {
        val text = m.get("text")
        text != null && TARGET_TWEET_PATTERN.matcher(String.valueOf(text)).matches()
      })
      .map(mapper.writeValueAsString(_))
      .addSink(sink)

    env.execute("TweetCollect")
  }
} 

//设置package包名称以及导入依赖的类
package org.aj.awslambda

import java.awt.image.BufferedImage
import java.io.IOException
import java.net.URLDecoder

import com.amazonaws.services.lambda.runtime.events.S3Event
import java.util.regex.Pattern

import scala.concurrent.{Await, Future}
import scala.concurrent.ExecutionContext.Implicits.global


  private def getImageType(srcKey: String): Option[String] = {
    val matcher = Pattern.compile(".*\\.([^\\.]*)").matcher(srcKey)
    matcher.matches() match {
      case true => {
        //get source image type and validate
        val imageType = matcher.group(1)
        imageTypes.get(imageType) match {
          case Some(_) => Some(imageType)
          case _ => None
        }
      }
      case _ => None
    }
  }

  private def decodeS3Key(key: String): String = URLDecoder.decode(key.replace("+", " "), "utf-8")

  private def process(srcBucket: String, srcKey: String, imageType: String, dstBucket: String): Future[List[Url]] = {

    //get source image with it's sizes
    val sourceImage: (BufferedImage, Url) = getImage(srcBucket, srcKey)
    //re-size
    val original: Future[Url] = process(sourceImage._1, sourceImage._2, imageType, dstBucket, srcKey)
    val resized: List[Option[Future[Url]]] = sizes.map { size =>
      if (sourceImage._2.width != size) Some(process(sourceImage._1, size, imageType, dstBucket, srcKey))
      else None
    }
    //return
    Future.sequence(original :: resized.flatten)

  }

} 

//设置package包名称以及导入依赖的类
package org.opencompare.io.wikipedia.parser

import java.util.regex.Pattern

import org.joda.time.DateTime
import org.sweble.wikitext.engine.PageTitle
import org.sweble.wikitext.engine.config.WikiConfig
import org.sweble.wikitext.parser.nodes._
import org.sweble.wom3.swcadapter.AstToWomConverter
import org.sweble.wom3.util.Wom3Toolbox


class RawCellContentExtractor(val wikiConfig : WikiConfig) {

  private val trimPattern : Pattern = Pattern.compile("[\\s|!]*([\\s\\S]*?)\\s*")
  private val nestedTableChecker : NestedTableChecker = new NestedTableChecker
  private val wtToStringConverter : WtToStringConverter = new WtToStringConverter(wikiConfig)

  def extract(cell : WtNode) : String = {

    if (nestedTableChecker.hasNestedTable(cell)) {
      "" // FIXME : we do not support nested tables for now
    } else {
      val code = wtToStringConverter.convert(cell)

      if (code.isDefined) {
        trim(code.get)
      } else {
        ""
      }
    }

  }

  def trim(s: String): String = {
    val matcher = trimPattern.matcher(s)
    if (matcher.matches() && matcher.groupCount() == 1) {
      matcher.group(1)
    } else {
      ""
    }
  }

} 

//设置package包名称以及导入依赖的类
package org.opencompare.formalizer.interpreters

import java.util.regex.{Matcher, Pattern}

import org.opencompare.api.java.{Value, Feature, Product}


abstract class RegexPatternInterpreter(initValidHeaders : List[String],
                              regex : String,
                              initParameters : List[String],
                              initConfident : Boolean) extends PatternInterpreter(initValidHeaders, initParameters, initConfident) {

  private val pattern : Pattern =  Pattern.compile(regex, Pattern.UNICODE_CHARACTER_CLASS |
    Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE | Pattern.DOTALL)

  override def matchAndCreateValue(s: String, product: Product, feature: Feature): Option[Value] = {
    val matcher = pattern.matcher(s)
    if (matcher.matches()) {
      createValue(s, matcher, parameters, product, feature)
    } else {
      None
    }
  }

  def createValue(s : String, matcher : Matcher, parameters : List[String], product : Product, feature : Feature) : Option[Value]
} 

//设置package包名称以及导入依赖的类
package csw.services.config.server.commons
import java.util.regex.Pattern

import csw.services.config.api.models.FileType
import org.tmatesoft.svn.core.{SVNDirEntry, SVNNodeKind}

object SVNDirEntryExt {

  
  implicit class RichSvnDirEntry(val entry: SVNDirEntry) extends AnyVal {
    def isFile: Boolean                                  = entry.getKind == SVNNodeKind.FILE
    def isNotActiveFile(activeFileName: String): Boolean = !entry.getName.endsWith(activeFileName)
    def stripAnnexSuffix(annexSuffix: String): Unit =
      entry.setRelativePath(entry.getRelativePath.stripSuffix(annexSuffix))
    def matches(maybePattern: Option[Pattern]): Boolean = maybePattern match {
      case None          ? true
      case Some(pattern) ? pattern.matcher(entry.getRelativePath).matches()
    }
    def matchesFileType(maybeFileType: Option[FileType], annexSuffix: String): Boolean = maybeFileType match {
      case None                  ? true
      case Some(FileType.Annex)  ? isAnnex(annexSuffix)
      case Some(FileType.Normal) ? !isAnnex(annexSuffix)
    }
    private def isAnnex(annexSuffix: String): Boolean = entry.getName.endsWith(annexSuffix)
  }
} 

//设置package包名称以及导入依赖的类
package com.wunder.pets.validations

import java.util.regex.{Matcher, Pattern}

import org.postgresql.util.PSQLException

trait ValidationError {
  def message: String
}

final class IsEmpty(val field: String) extends ValidationError {
  override def message: String = s"$field cannot be empty"
}

final class NotGreaterThan[T](val field: String, val lowerBound: T) extends ValidationError {
  def message: String = s"$field must be greater than $lowerBound"
}

final class NotLessThan[T](val field: String, val upperBound: T) extends ValidationError {
  def message: String = s"$field must be less than $upperBound"
}

final class DuplicateValue(val e: PSQLException) extends ValidationError {
  override def message: String = {
    val regex = "Key \\((.*)\\)=\\((.*)\\) already exists."
    val m: Matcher = Pattern.compile(regex).matcher(e.getServerErrorMessage.getDetail);
    if (m.matches) {
      s"${m.group(1)} has a duplicate value of ${m.group(2)}"
    } else {
      "Could not determine field and value."
    }
  }
}

final class GeneralError(val message: String) extends ValidationError 

//设置package包名称以及导入依赖的类
package com.github.aseigneurin.kafka.streams.scala

import java.util.regex.Pattern

import com.github.aseigneurin.kafka.streams.scala.ImplicitConversions._
import org.apache.kafka.common.serialization.Serde
import org.apache.kafka.streams.kstream.{GlobalKTable, KStreamBuilder}
import org.apache.kafka.streams.processor.TopologyBuilder

object KStreamBuilderS {

  val inner = new KStreamBuilder

  def stream[K, V](topics: String*)
                  (implicit keySerde: Serde[K], valSerde: Serde[V]): KStreamS[K, V] =
    inner.stream[K, V](keySerde, valSerde, topics: _*)

  def stream[K, V](offsetReset: TopologyBuilder.AutoOffsetReset,
                   topics: String*)
                  (implicit keySerde: Serde[K], valSerde: Serde[V]): KStreamS[K, V] =
    inner.stream[K, V](offsetReset, keySerde, valSerde, topics: _*)

  def stream[K, V](topicPattern: Pattern)
                  (implicit keySerde: Serde[K], valSerde: Serde[V]): KStreamS[K, V] =
    inner.stream[K, V](keySerde, valSerde, topicPattern)

  def stream[K, V](offsetReset: TopologyBuilder.AutoOffsetReset,
                   topicPattern: Pattern)
                  (implicit keySerde: Serde[K], valSerde: Serde[V]): KStreamS[K, V] =
    inner.stream[K, V](offsetReset, keySerde, valSerde, topicPattern)

  def table[K, V](topic: String,
                  storeName: String)
                 (implicit keySerde: Serde[K], valSerde: Serde[V]): KTableS[K, V] =
    inner.table[K, V](keySerde, valSerde, topic, storeName)

  def table[K, V](offsetReset: TopologyBuilder.AutoOffsetReset,
                  topic: String,
                  storeName: String)
                 (implicit keySerde: Serde[K], valSerde: Serde[V]): KTableS[K, V] =
    inner.table[K, V](offsetReset, keySerde, valSerde, topic, storeName)


  def globalTable[K, V](topic: String,
                        storeName: String)
                       (implicit keySerde: Serde[K], valSerde: Serde[V]): GlobalKTable[K, V] =
    inner.globalTable(keySerde, valSerde, topic, storeName)

  def merge[K, V](streams: KStreamS[K, V]*): KStreamS[K, V] = {
    val streamsJ = streams.map { streamS => streamS.inner }
    inner.merge(streamsJ: _*)
  }

} 

//设置package包名称以及导入依赖的类
package be.dataminded.wharlord.constraints

import java.util.regex.Pattern

import org.apache.spark.sql.functions._
import org.apache.spark.sql.{Column, DataFrame}

import scala.util.Try

case class RegexConstraint(columnName: String, regex: String) extends Constraint {

  val fun = (df: DataFrame) => {
    val pattern = Pattern.compile(regex)
    val doesNotMatch = udf((column: String) => column != null && !pattern.matcher(column).find())
    val maybeDoesNotMatchCount = Try(df.filter(doesNotMatch(new Column(columnName))).count)
    RegexConstraintResult(
      constraint = this,
      data = maybeDoesNotMatchCount.toOption.map(RegexConstraintResultData),
      status = tryToStatus[Long](maybeDoesNotMatchCount, _ == 0)
    )
  }

}

case class RegexConstraintResult(constraint: RegexConstraint,
                                 data: Option[RegexConstraintResultData],
                                 status: ConstraintStatus) extends ConstraintResult[RegexConstraint] {

  val message: String = {
    val columnName = constraint.columnName
    val regex = constraint.regex
    val maybeFailedRows = data.map(_.failedRows)
    val maybePluralSAndVerb = maybeFailedRows.map(failedRows => if (failedRows == 1) ("", "does") else ("s", "do"))
    (status, maybeFailedRows, maybePluralSAndVerb) match {
      case (ConstraintSuccess, Some(0), _) =>
        s"Column $columnName matches $regex"
      case (ConstraintFailure, Some(failedRows), Some((pluralS, verb))) =>
        s"Column $columnName contains $failedRows row$pluralS that $verb not match $regex"
      case (ConstraintError(throwable), None, None) =>
        s"Checking whether column $columnName matches $regex failed: $throwable"
      case default => throw IllegalConstraintResultException(this)
    }
  }

}

case class RegexConstraintResultData(failedRows: Long) 

//设置package包名称以及导入依赖的类
package events

import eventstore.JsonMapping._
import java.util.UUID
import java.util.regex.Pattern
import play.api.libs.json._
import scala.util.control.Exception.catching

trait Identifier {
  def uuid: UUID
}
abstract class IdentifierCompanion[A <: Identifier](val prefix: String) {
  def apply(uuid: UUID): A

  def generate(): A = apply(UUID.randomUUID)

  def fromString(s: String): Option[A] = s match {
    case IdentifierRegex(uuid) => catching(classOf[RuntimeException]) opt { apply(UUID.fromString(uuid)) }
    case _                     => None
  }

  implicit val IdentifierFormat: Format[A] = valueFormat(apply)(_.uuid)

  implicit val IdentifierCompanionObject: IdentifierCompanion[A] = this

  private val IdentifierRegex = (Pattern.quote(prefix) + """\(([a-fA-F0-9-]{36})\)""").r
} 

//设置package包名称以及导入依赖的类
package de.frosner.broccoli.models

import java.util.regex.Pattern

import org.apache.commons.codec.digest.DigestUtils
import play.api.libs.json._
import play.api.libs.functional.syntax._

import scala.collection.mutable.ArrayBuffer

import ParameterInfo.parameterInfoWrites

case class Template(id: String, template: String, description: String, parameterInfos: Map[String, ParameterInfo])
    extends Serializable {

  @transient
  lazy val parameters: Set[String] = {
    val matcher = Template.TemplatePattern.matcher(template)
    var variables = ArrayBuffer[String]()
    while (matcher.find()) {
      variables += matcher.group(1)
    }
    val uniqueVariables = variables.toSet
    require(
      uniqueVariables.contains("id"),
      s"There needs to be an 'id' field in the template for Broccoli to work. Parameters defined: ${uniqueVariables}")
    uniqueVariables
  }

  @transient
  lazy val version: String = DigestUtils.md5Hex(template.trim() + "_" + parameterInfos.toString)

}

object Template {

  val TemplatePattern = Pattern.compile("\\{\\{([A-Za-z][A-Za-z0-9\\-\\_\\_]*)\\}\\}")

  implicit val templateApiWrites: Writes[Template] = (
    (JsPath \ "id").write[String] and
      (JsPath \ "description").write[String] and
      (JsPath \ "parameters").write[Set[String]] and
      (JsPath \ "parameterInfos").write[Map[String, ParameterInfo]] and
      (JsPath \ "version").write[String]
  )((template: Template) =>
    (template.id, template.description, template.parameters, template.parameterInfos, template.version))

  implicit val templatePersistenceReads: Reads[Template] = Json.reads[Template]

  implicit val templatePersistenceWrites: Writes[Template] = Json.writes[Template]

} 

//设置package包名称以及导入依赖的类
package com.epam.streaming

import java.io.File
import java.util.regex.Pattern

import org.apache.spark.SparkContext
import org.apache.spark.rdd.RDD

import scala.collection.mutable

object DataType extends Enumeration {
  val ActorData, RatingData = Value
}


class ImdbEventGenerator(actorDataPath: String, ratingDataPath: String) {
  val YEAR_IN_FILE_NAME_PATTERN: Pattern = Pattern.compile("^.+_(\\d+)\\.tsv$")
  val yearsOfRatings = getYearsFromListOfFiles(ratingDataPath)
  val yearsOfActors = getYearsFromListOfFiles(actorDataPath)
  val years: List[String] = yearsOfRatings.intersect(yearsOfActors).toList.sorted


  def buildImdbEventStream(sc: SparkContext, dataType: DataType.Value): mutable.Queue[RDD[String]] = {
    val queue = mutable.Queue[RDD[String]]()
    val yearRDDs = years.map(year => sc.parallelize(loadLinesFromFile(year, dataType)))
    queue ++= yearRDDs
  }

  def getYearsFromListOfFiles(dir: String): Set[String] = {
    val d = new File(dir)
    if (d.exists && d.isDirectory) {
      d.listFiles
        .filter(_.isFile)
        .map(_.getName)
        .map(YEAR_IN_FILE_NAME_PATTERN.matcher(_))
        .filter(_.matches())
        .map(_.group(1))
        .toSet
    } else {
      Set[String]()
    }
  }

  def loadLinesFromFile(year: String, dataType: DataType.Value): Seq[String] = {
    val fileName =  dataType match {
      case DataType.ActorData => s"$actorDataPath/actor_data_$year.tsv"
      case DataType.RatingData => s"$ratingDataPath/movie_ratings_$year.tsv"
    }
    val source = scala.io.Source.fromFile(fileName)
    try source.getLines().filter(!_.trim.isEmpty).toList finally source.close()
  }



}