本文整理汇总了Scala中java.util.zip.ZipInputStream类的典型用法代码示例。如果您正苦于以下问题:Scala ZipInputStream类的具体用法?Scala ZipInputStream怎么用?Scala ZipInputStream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ZipInputStream类的9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: ZipUtils
//设置package包名称以及导入依赖的类
package core
import java.io.Closeable
import java.nio.charset.StandardCharsets._
import java.util.zip.{ZipEntry, ZipInputStream}
import scala.collection.JavaConversions._
import scala.collection.mutable.ArrayBuffer
object ZipUtils {
case class UnzippedFileContent(filename: String, content: String)
def usingZip[R <: Closeable, T](unzippedStream: R)(f: (R) => T) = {
try {
f(unzippedStream)
} finally {
unzippedStream.close()
}
}
def unzipAllFilesInStream(unzippedStream: ZipInputStream): Stream[UnzippedFileContent] = {
unzipAllFilesInStream(unzippedStream, Option(unzippedStream.getNextEntry))
}
def unzipAllFilesInStream(unzippedStream: ZipInputStream, ze: Option[ZipEntry]): Stream[UnzippedFileContent] = {
ze match {
case None => Stream.empty
case Some(ze) =>
val name: String = ze.getName
val entry: String = ZipUtils.getZipEntry(unzippedStream)
val maybeEntry1: Option[ZipEntry] = Option(unzippedStream.getNextEntry)
UnzippedFileContent(name, entry) #::
unzipAllFilesInStream(unzippedStream, maybeEntry1)
}
}
def getZipEntry(zis: ZipInputStream): String = {
val buffer = new Array[Byte](4096)
val stringBuffer = new ArrayBuffer[Byte]()
var len: Int = zis.read(buffer)
while (len > 0) {
stringBuffer ++= buffer.take(len)
len = zis.read(buffer)
}
val content: String = new String(stringBuffer.toArray, UTF_8)
(content)
}
}
开发者ID:UKHomeOffice,项目名称:drt-passenger-splits,代码行数:50,代码来源:ZipUtils.scala
示例2: Sentiment140Downloader
//设置package包名称以及导入依赖的类
package com.aluxian.tweeather.scripts
import java.net.URL
import java.util.zip.ZipInputStream
import org.apache.hadoop.fs.Path
import org.apache.spark.Logging
object Sentiment140Downloader extends Script with Logging {
val downloadUrl = "http://cs.stanford.edu/people/alecmgo/trainingandtestdata.zip"
override def main(args: Array[String]) {
super.main(args)
logInfo(s"Downloading sentiment140 dataset from $downloadUrl")
val zip = new ZipInputStream(new URL(downloadUrl).openStream())
val buffer = new Array[Byte](4 * 1024)
Stream.continually(zip.getNextEntry)
.takeWhile(_ != null)
.foreach { entry =>
val fileName = entry.getName
val out = hdfs.create(new Path(s"tw/sentiment/140/downloaded/$fileName"))
logInfo(s"Downloading $fileName")
Stream.continually(zip.read(buffer))
.takeWhile(_ != -1)
.foreach { count =>
out.write(buffer, 0, count)
}
out.close()
}
zip.close()
logInfo("Downloading finished")
sc.stop()
}
}
开发者ID:cnajeefa,项目名称:Tourism-Sentiment-Analysis,代码行数:43,代码来源:Sentiment140Downloader.scala
示例3: EmailParser
//设置package包名称以及导入依赖的类
package uk.pkerrigan.dmarcparser
import java.io.ByteArrayInputStream
import java.nio.charset.CodingErrorAction
import java.util.Properties
import java.util.zip.{GZIPInputStream, ZipInputStream}
import javax.activation.DataSource
import javax.mail.Session
import javax.mail.internet.MimeMessage
import scala.collection.JavaConverters._
import org.apache.commons.mail.util.MimeMessageParser
import uk.pkerrigan.dmarcparser.report.Feedback
import scala.io._
class EmailParser(parser: ParserTrait = new Parser()) extends EmailParserTrait{
implicit val codec = Codec("UTF-8")
codec.onMalformedInput(CodingErrorAction.REPLACE)
codec.onUnmappableCharacter(CodingErrorAction.REPLACE)
def parseEmail(email: String): Option[Feedback] = {
val s = Session.getDefaultInstance(new Properties())
val is = new ByteArrayInputStream(email.getBytes)
val message = new MimeMessage(s, is)
val messageParser = new MimeMessageParser(message).parse()
messageParser.getAttachmentList.asScala.headOption.flatMap(extract)
}
private def extract(a: DataSource): Option[Feedback] = a match {
case `a` if a.getContentType.equals("application/gzip") => extractGzip(a)
case `a` if a.getContentType.equals("application/x-gzip") => extractGzip(a)
case `a` if a.getContentType.equals("application/zip") => extractZip(a)
case `a` if a.getContentType.equals("application/x-zip-compressed") => extractZip(a)
case _ => None
}
private def extractZip(a: DataSource): Option[Feedback] = {
val zip = new ZipInputStream(a.getInputStream)
zip.getNextEntry
val rawXml = Source.fromInputStream(zip).mkString
if (rawXml == "") None else Some(parser.parse(rawXml))
}
private def extractGzip(a: DataSource): Option[Feedback] = {
val zip = new GZIPInputStream(a.getInputStream)
val rawXml = Source.fromInputStream(zip).mkString
if (rawXml == "") None else Some(parser.parse(rawXml))
}
}
开发者ID:patrickkerrigan,项目名称:dmarc-parser,代码行数:52,代码来源:EmailParser.scala
示例4: handleAndroidXMLFiles
//设置package包名称以及导入依赖的类
package org.argus.amandroid.core.parser
import java.io.File
import java.util.zip.ZipEntry
import java.util.zip.ZipInputStream
import java.io.FileInputStream
def handleAndroidXMLFiles(apk: File, fileNameFilter: Set[String],
handler: AndroidXMLHandler) = {
try {
var archive: ZipInputStream = null
try {
archive = new ZipInputStream(new FileInputStream(apk))
var entry: ZipEntry = null
entry = archive.getNextEntry()
while (entry != null) {
val entryName = entry.getName()
handler.handleXMLFile(entryName, fileNameFilter, archive)
entry = archive.getNextEntry()
}
}
finally {
if (archive != null)
archive.close()
}
}
catch {
case e: Exception =>
e.printStackTrace()
if (e.isInstanceOf[RuntimeException])
throw e.asInstanceOf[RuntimeException]
else
throw new RuntimeException(e)
}
}
}
开发者ID:arguslab,项目名称:Argus-SAF,代码行数:39,代码来源:AndroidXMLParser.scala
示例5: ZipFileIterator
//设置package包名称以及导入依赖的类
package com.s3dropbox.lambda
import java.io.{ByteArrayOutputStream, InputStream}
import java.util.zip.{ZipEntry, ZipInputStream}
import com.s3dropbox.lambda.ZipFileIterator.{END_OF_FILE, ONE_MB, PAGE_SIZE, ZipFileEntry}
class ZipFileIterator(istream: InputStream) extends Iterator[ZipFileEntry] {
private val zis: ZipInputStream = new ZipInputStream(istream)
private var zentryOpt: Option[ZipEntry] = None
override def hasNext: Boolean = {
zentryOpt = Option(zis.getNextEntry)
zentryOpt.isDefined
}
override def next(): ZipFileEntry = {
val zentry: ZipEntry = zentryOpt.getOrElse(throw new Exception("Calling next() when there are no ZipEntry's to process"))
// sometimes the size cannot be determined, in which case, the buffer is read until no more data is read
val bosSize: Int = if (zentry.getSize > 0) zentry.getSize.toInt else ONE_MB
val bos: ByteArrayOutputStream = new ByteArrayOutputStream(bosSize)
// even though we may know the exact size of the file, ZipInputStream.read() may return a value < the known file size
val readBuffer: Array[Byte] = new Array[Byte](PAGE_SIZE)
Iterator
.continually(zis.read(readBuffer, 0, PAGE_SIZE))
.takeWhile((bytesRead: Int) => bytesRead != END_OF_FILE)
.foreach((bytesRead: Int) => bos.write(readBuffer, 0, bytesRead))
ZipFileEntry(zentry.getName, bos.toByteArray)
}
def close(): Unit = {
zis.closeEntry()
zis.close()
}
}
object ZipFileIterator {
case class ZipFileEntry(filename: String, data: Array[Byte])
private[ZipFileIterator] val ONE_MB: Int = 1024 * 1024
private[ZipFileIterator] val END_OF_FILE: Int = -1
private[ZipFileIterator] val PAGE_SIZE: Int = 1024
}
开发者ID:ErrorsAndGlitches,项目名称:S3DropboxLambda,代码行数:50,代码来源:ZipFileIterator.scala
示例6: ZipUtils
//设置package包名称以及导入依赖的类
package passengersplits.core
import java.io.Closeable
import java.nio.charset.StandardCharsets._
import java.util.zip.{ZipEntry, ZipInputStream}
import scala.collection.JavaConversions._
import scala.collection.mutable.ArrayBuffer
object ZipUtils {
case class UnzippedFileContent( filename: String, content: String, zipFilename: Option[String] = None)
def usingZip[R <: Closeable, T](unzippedStream: R)(f: (R) => T) = {
try {
f(unzippedStream)
} finally {
unzippedStream.close()
}
}
def unzipAllFilesInStream(unzippedStream: ZipInputStream): Stream[UnzippedFileContent] = {
unzipAllFilesInStream(unzippedStream, Option(unzippedStream.getNextEntry))
}
def unzipAllFilesInStream(unzippedStream: ZipInputStream, ze: Option[ZipEntry]): Stream[UnzippedFileContent] = {
ze match {
case None => Stream.empty
case Some(ze) =>
val name: String = ze.getName
val entry: String = ZipUtils.getZipEntry(unzippedStream)
val maybeEntry1: Option[ZipEntry] = Option(unzippedStream.getNextEntry)
UnzippedFileContent(name, entry) #::
unzipAllFilesInStream(unzippedStream, maybeEntry1)
}
}
def getZipEntry(zis: ZipInputStream): String = {
val buffer = new Array[Byte](4096)
val stringBuffer = new ArrayBuffer[Byte]()
var len: Int = zis.read(buffer)
while (len > 0) {
stringBuffer ++= buffer.take(len)
len = zis.read(buffer)
}
val content: String = new String(stringBuffer.toArray, UTF_8)
(content)
}
}
开发者ID:UKHomeOffice,项目名称:drt-scalajs-spa-exploration,代码行数:50,代码来源:ZipUtils.scala
示例7: UnzipUtility
//设置package包名称以及导入依赖的类
package it.milczarek.gpwquoter.file
import java.io.{BufferedOutputStream, File, FileInputStream, FileOutputStream}
import java.util.zip.ZipInputStream
object UnzipUtility {
val bufferSize = 4096
def unzip(zipFilePath: File, destDirectory: String) {
def extractFile(zipIn: ZipInputStream, filePath: String) {
val bos = new BufferedOutputStream(new FileOutputStream(filePath))
val bytesIn = new Array[Byte](bufferSize)
var read = zipIn.read(bytesIn)
while (read != -1) {
bos.write(bytesIn, 0, read)
read = zipIn.read(bytesIn)
}
bos.close()
}
val destDir = new File(destDirectory)
if (!destDir.exists()) destDir.mkdir()
val zipIn = new ZipInputStream(new FileInputStream(zipFilePath))
var entry = zipIn.getNextEntry
while (entry != null) {
val filePath = destDirectory + File.separator + entry.getName
if (!entry.isDirectory) {
extractFile(zipIn, filePath)
} else {
val dir = new File(filePath)
dir.mkdir()
}
zipIn.closeEntry()
entry = zipIn.getNextEntry
}
zipIn.close()
}
}
开发者ID:milczarekIT,项目名称:gpw-quoter,代码行数:43,代码来源:UnzipUtility.scala
示例8: getUsers
//设置package包名称以及导入依赖的类
import scala.collection.mutable.ArrayBuffer
import java.io.FileInputStream
import java.util.zip.{ZipEntry, ZipInputStream}
package object config {
def getUsers(pkg: String, className: String): Seq[String] = {
val f = s"apps/bdapro-ws1617-flink-jobs-1.0-SNAPSHOT.jar"
val zip = new ZipInputStream(new FileInputStream(f))
var entry: ZipEntry = zip.getNextEntry()
val users = new ArrayBuffer[String]()
while (entry != null) {
if (!entry.isDirectory && entry.getName.endsWith(".class")) {
val pattern = ("""de/tu_berlin/dima/bdapro/flink/""" + pkg + """/([^/]*)/""" + className + """\.class""").r
val matches = pattern.findAllIn(entry.getName).matchData foreach {
m => users += m.group(1)
}
}
entry = zip.getNextEntry()
}
users
}
}
开发者ID:cristiprg,项目名称:BDAPRO.GlobalStateML,代码行数:24,代码来源:package.scala
示例9: unzip
//设置package包名称以及导入依赖的类
package flaky
import java.io.File
trait Unzip {
def unzip(zipped:File, unzipDir:File): Unit = {
import java.io.{FileInputStream, FileOutputStream}
import java.util.zip.ZipInputStream
val fis = new FileInputStream(zipped)
val zis = new ZipInputStream(fis)
unzipDir.mkdirs()
Stream
.continually(zis.getNextEntry)
.takeWhile(_ != null)
.foreach { file =>
if (file.isDirectory) {
val dir = new File(unzipDir, file.getName)
dir.mkdirs()
dir.deleteOnExit()
} else {
val file1 = new File(unzipDir, file.getName)
file1.deleteOnExit()
val fout = new FileOutputStream(file1)
val buffer = new Array[Byte](1024)
Stream.continually(zis.read(buffer)).takeWhile(_ != -1).foreach(fout.write(buffer, 0, _))
}
}
}
}
开发者ID:otrebski,项目名称:sbt-flaky,代码行数:32,代码来源:Unzip.scala
注:本文中的java.util.zip.ZipInputStream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。 |
请发表评论