File tmp = null;
// loop through the elements in the tar file and parse every single file inside
while (true) {
try {
if (tis.available() <= 0) break;
entry = tis.getNextEntry();
if (entry == null) break;
if (entry.isDirectory() || entry.getSize() <= 0) continue;
final String name = entry.getName();
final int idx = name.lastIndexOf('.');