How to use

size

method

in

de.schlichtherle.truezip.io.LEDataOutputStream

/**
 * Returns the total number of (compressed) bytes this stream has written
 * to the underlying stream.
 */
public long length() {
  return this.dos.size();
}

closeEntry();
final LEDataOutputStream dos = this.dos;
this.cdOffset = dos.size();
final Iterator<E> i = this.entries.values().iterator();
while (i.hasNext())

  @Override
  protected void finish() throws IOException {
    // Flush partial block to out, if any.
    super.finish();

    final long trailer = dos.size();

    final Mac mac = this.mac;
    assert mac.getMacSize() == klac.getMacSize();
    final byte[] buf = new byte[mac.getMacSize()]; // MAC buffer
    int bufLength;

    // Compute and write the first half of the KLAC to the data envelope footer.
    // Please note that we will only use the first half of the
    // authentication code for security reasons.
    final long length = trailer - start; // message length
    klac(klac, length, buf);
    dos.write(buf, 0, buf.length / 2);

    // Compute and write the first half of the MAC to the data envelope footer.
    // Again, we will only use the first half of the
    // authentication code for security reasons.
    bufLength = mac.doFinal(buf, 0);
    assert bufLength == buf.length;
    dos.write(buf, 0, buf.length / 2);

    assert dos.size() - trailer == buf.length;
  }
}

final long cdEntries = entries.size();
final long cdOffset = this.cdOffset;
final long cdSize = dos.size() - cdOffset;
final boolean cdEntriesZip64 = cdEntries > UShort.MAX_VALUE || FORCE_ZIP64_EXT;
final boolean cdSizeZip64    = cdSize    > UInt  .MAX_VALUE || FORCE_ZIP64_EXT;
if (zip64) {
  final long zip64eocdOffset // relative offset of the zip64 end of central directory record
      = dos.size();

this.start = dos.size();
assert ENVELOPE_TYPE_0_HEADER_LEN_WO_SALT + salt.length == start;