groovy script to zip and unzip text/String content

groovy-zip.groovy

// Simple groovy script to compress / decompress Strings
import java.util.zip.GZIPInputStream
import java.util.zip.GZIPOutputStream

def zip(String s){
	def targetStream = new ByteArrayOutputStream()
	def zipStream = new GZIPOutputStream(targetStream)
	zipStream.write(s.getBytes('UTF-8'))
	zipStream.close()
	def zippedBytes = targetStream.toByteArray()
	targetStream.close()
	return zippedBytes.encodeBase64()
}

def unzip(String compressed){
	def inflaterStream = new GZIPInputStream(new ByteArrayInputStream(compressed.decodeBase64()))
    def uncompressedStr = inflaterStream.getText('UTF-8')
    return uncompressedStr
}

String inString = 'whatever'
String zipString = zip(inString)
String unzippedString = unzip(zipString)
assert(inString == unzippedString)