• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    公众号

Scala ZipOutputStream类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Scala中java.util.zip.ZipOutputStream的典型用法代码示例。如果您正苦于以下问题:Scala ZipOutputStream类的具体用法?Scala ZipOutputStream怎么用?Scala ZipOutputStream使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了ZipOutputStream类的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Scala代码示例。

示例1: S3Operations

//设置package包名称以及导入依赖的类
package aws.s3

import java.io._
import java.util.zip.{ZipEntry, ZipOutputStream}

import aws.Interpreter.ErrorsOr
import cats.data.NonEmptyList
import cats.instances.either._
import cats.instances.list._
import cats.syntax.traverse._
import com.ovoenergy.comms.model.CommManifest
import logic.TemplateOp._

object S3Operations {

  def downloadTemplateFiles(s3ClientWrapper: AmazonS3ClientWrapper,
                            commManifest: CommManifest,
                            bucketName: String): Either[String, TemplateFiles] = {
    val prefix   = buildPrefix(commManifest)
    val fileKeys = s3ClientWrapper.listFiles(bucketName, prefix).right
    fileKeys.flatMap { keys =>
      val result = keys.toList.traverseU { absKey =>
        val file = s3ClientWrapper.downloadFile(bucketName, absKey).right

        val pair: Either[String, (String, Array[Byte])] = file map { f =>
          val strippedKey = absKey.stripPrefix(prefix).dropWhile(_ == '/')
          (strippedKey, f)
        }
        pair
      }
      result.right.map(_.toMap)
    }
  }

  private def buildPrefix(commManifest: CommManifest) = {
    s"${commManifest.commType.toString.toLowerCase}/${commManifest.name}/${commManifest.version}"
  }

  type ByteArray = Array[Byte]

  def compressFiles(templateFiles: TemplateFiles): ErrorsOr[ByteArray] = {
    val baos = new ByteArrayOutputStream()
    try {
      val zip = new ZipOutputStream(baos)
      try {
        templateFiles.foreach {
          case (fileName, file) =>
            zip.putNextEntry(new ZipEntry(fileName))
            zip.write(file)
            zip.closeEntry()
        }
      } finally {
        zip.close()
      }
      val result = baos.toByteArray
      Right(result)
    } catch {
      case e: Throwable => Left(NonEmptyList.of(s"Failed to compress template files: ${e.getMessage}"))
    }
  }
} 
开发者ID:ovotech,项目名称:comms-template-manager,代码行数:62,代码来源:S3Operations.scala


示例2: ZipFileIteratorSpec

//设置package包名称以及导入依赖的类
package com.s3dropbox.lambda

import java.io.{File, FileInputStream, FileOutputStream}
import java.util.zip.{ZipEntry, ZipOutputStream}

import com.s3dropbox.lambda.ZipFileIterator.ZipFileEntry


class ZipFileIteratorSpec extends UnitSpec {

  describe("When given a valid zip file with more than one compressed file") {
    it("should iterate over the compressed files and provide their file name and contents") {
      val entries: Array[(String, Array[Byte])] =
        (1 to 5)
          .map((fileNum: Int) => {
            (s"file_$fileNum", s"This is the contents of file $fileNum".getBytes)
          })
          .toArray
      runZipFileTest(entries)
    }
  }

  describe("when given a zip file containing a single large 1MB file") {
    it("should decompress the single large file") {
      val entries: Array[(String, Array[Byte])] = Array(
        ("some_file", (1 to 1024 * 1024).map(_.toByte).toArray)
      )
      runZipFileTest(entries)
    }
  }

  def runZipFileTest(entries: Array[(String, Array[Byte])]): Unit = {
    var index: Int = 0
    val zipFileIter: ZipFileIterator = new ZipFileIterator(new FileInputStream(zipFile(entries)))
    zipFileIter.foreach((zipFileEntry: ZipFileEntry) => {
      assert(zipFileEntry.filename == entries(index)._1)
      assert(zipFileEntry.data sameElements entries(index)._2)
      index += 1
    })
    zipFileIter.close()
  }

  def zipFile(entries: Array[(String, Array[Byte])]): File = {
    val temp: File = File.createTempFile("temp-zip-file", ".zip")
    temp.deleteOnExit()

    val zos: ZipOutputStream = new ZipOutputStream(new FileOutputStream(temp))
    entries.foreach((entry: (String, Array[Byte])) => {
      val filename: String = entry._1
      val contents: Array[Byte] = entry._2

      val zentry: ZipEntry = new ZipEntry(filename)
      zos.putNextEntry(zentry)
      zos.write(contents)
      zos.closeEntry()
    })
    zos.close()

    temp
  }
} 
开发者ID:ErrorsAndGlitches,项目名称:S3DropboxLambda,代码行数:62,代码来源:ZipFileIteratorSpec.scala


示例3: ZipImplicits

//设置package包名称以及导入依赖的类
package anchorman.docx

import anchorman.media.MediaFile

import java.io.OutputStreamWriter
import java.util.zip.{ZipEntry, ZipOutputStream}

import scala.xml.{MinimizeMode, NodeSeq, XML}

object ZipImplicits {
  implicit class ZipOutputStreamOps(out: ZipOutputStream) {
    def writeXmlFile(path: String, nodes: NodeSeq): Unit = {
      out.putNextEntry(new ZipEntry(path))

      val writer = new OutputStreamWriter(out)
      try XML.write(writer, nodes.head, "UTF-8", true, null, MinimizeMode.Always)
      finally writer.flush()
    }

    def writeMediaFile(path: String, file: MediaFile): Unit = {
      out.putNextEntry(new ZipEntry(path))
      try out.write(file.content)
      finally out.flush()
    }
  }
} 
开发者ID:davegurnell,项目名称:anchorman,代码行数:27,代码来源:ZipImplicits.scala


示例4: Zip

//设置package包名称以及导入依赖的类
package flaky.history

import java.io.{File, FileInputStream, FileOutputStream}
import java.util.zip.{ZipEntry, ZipOutputStream}

object Zip {


  def compressFolder(zipFilePath: File, folder: File): Unit = {
    import java.io.File
    def recursiveListFiles(f: File): Array[File] = {
      val these = f.listFiles
      these.filter(_.isFile) ++ these.filter(_.isDirectory).flatMap(recursiveListFiles)
    }

    val toList = recursiveListFiles(folder).toList
    compress(zipFilePath, folder, toList)
  }

  def compress(zipFilePath: File, root: File, files: List[File]): Unit = {
    val zip = new ZipOutputStream(new FileOutputStream(zipFilePath))
    val rootPath = root.getAbsolutePath
    try {
      for (file <- files) {
        zip.putNextEntry(new ZipEntry(file.getAbsolutePath.substring(rootPath.length)))
        val in = new FileInputStream(file)
        try {
          Iterator
            .continually(in.read())
            .takeWhile(_ > -1)
            .foreach(zip.write)
        } finally {
          in.close()
        }
        zip.closeEntry()
      }
    }
    finally {
      zip.close()
    }
  }
} 
开发者ID:otrebski,项目名称:sbt-flaky,代码行数:43,代码来源:Zip.scala



注:本文中的java.util.zip.ZipOutputStream类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
上一篇:
Scala DefaultDecoder类代码示例发布时间:2022-05-23
下一篇:
Scala StringBuilder类代码示例发布时间:2022-05-23
热门推荐
热门话题
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap