Groovy Almanac

Create a zipfile

Creating a zipfile in groovy is pretty simple.

import java.util.zip.ZipOutputStream
import java.util.zip.ZipEntry
import java.nio.channels.FileChannel

String zipFileName = "file.zip"
String inputDir = "logs"

ZipOutputStream zipFile = new ZipOutputStream(new FileOutputStream(zipFileName))
new File(inputDir).eachFile() { file ->
zipFile.putNextEntry(new ZipEntry(file.getName()))
def buffer = new byte[1024]
file.withInputStream { i ->
def l = i.read(buffer)
// check wether the file is empty
if (l > 0) {
zipFile.write(buffer, 0, l)
}
}
zipFile.closeEntry()
}
zipFile.close()