Zip and UnZip files using Groovy

ZipUnzip.groovy

import java.util.zip.*
  
String zipFileName = "file.zip"  
String inputDir = "logs"
def outputDir = "zip"

//Zip files
  
ZipOutputStream zipFile = new ZipOutputStream(new FileOutputStream(zipFileName))  
new File(inputDir).eachFile() { file -> 
  //check if file
  if (file.isFile()){
    zipFile.putNextEntry(new ZipEntry(file.name))
    def buffer = new byte[file.size()]  
    file.withInputStream { 
      zipFile.write(buffer, 0, it.read(buffer))  
    }  
    zipFile.closeEntry()
  }
}  
zipFile.close()  


//UnZip archive

def zip = new ZipFile(new File(zipFileName))
zip.entries().each{  
  if (!it.isDirectory()){
    def fOut = new File(outputDir+ File.separator + it.name)
    //create output dir if not exists
    new File(fOut.parent).mkdirs()
    def fos = new FileOutputStream(fOut)
    //println "name:${it.name}, size:${it.size}"
    def buf = new byte[it.size]
    def len = zip.getInputStream(it).read(buf) //println zip.getInputStream(it).text
    fos.write(buf, 0, len)
    fos.close()
  }
}
zip.close()