abstract class SimpleConsoleTester{
protected abstract ArchiveError extract(String inputFileName, String outputDirName,ZipTarExtractor extr );
public void uncompress(String inputFileName, String outputDirName, ZipTarExtractor extr){
ArchiveError res = extract(inputFileName,outputDirName,extr);
if(res != ArchiveError.SUCCESS){
System.out.println(res.msg);
}else{
for(File file:extr.getResultingFiles()){
System.out.println(file.getName());