* @return a DigitalObject containing the zip file and a list of the contained files in this zip as "fragments".
*/
private static DigitalObject createZipTypeDigitalObjectFromZip(File zipFile, boolean createByReference, boolean withChecksum) {
DigitalObject digOb = null;
if(withChecksum) {
Checksum checksum = null;
try {
checksum = new Checksum("MD5", Arrays.toString(Checksums.md5(zipFile)));
} catch (IOException e) {
e.printStackTrace();
}
if(createByReference) {
digOb = new DigitalObject.Builder(Content.byReference(getUrlFromFile(zipFile))