validRecords += 1;
int contentOffset = header.getContentBegin();
long totalLength = header.getLength();
int contentLength = (int) totalLength - contentOffset;
archiveRecord.skip(contentOffset);
byte[] content = new byte[contentLength];
archiveRecord.read(content);
String mimetype = header.getMimetype();
// The Arc headers != HTTP headers, but it's at least some data we can jam