private static ASInputStream getLookup(COSObject object) { COSObjType type = object.getType(); if (type == COSObjType.COS_STRING) { return new ASMemoryInStream(object.getString().getBytes()); } else if (type == COSObjType.COS_STREAM) { return object.getData(COSStream.FilterFlags.DECODE); } else { if (!object.empty()) { LOGGER.debug("Unknown lookup type"); } return null; } }