public static IWORKDocumentType detectType(ZipArchiveEntry entry,
                                                   ZipArchiveInputStream zip) {
            if (entry == null) {
                return null;
            }

            return detectType(zip);
        }
This parser handles all iWorks formats.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-apple-module/src/main/java/org/apache/tika/parser/iwork/IWorkPackageParser.java