Method parseZip64EocdRecordLocator

src/bin/zip/ZipFile.java:172–191

(long eocdOffset)

    }

    private long parseZip64EocdRecordLocator(long eocdOffset)
            throws IOException {
        // The spec stays curiously silent about whether a zip file with an EOCD record,
        // a zip64 locator and a zip64 eocd record is considered "empty". In our implementation,
        // we parse all records and read the counts from them instead of drawing any size or
        // layout based information.
        if (eocdOffset > ZIP64_LOCATOR_SIZE) {
            _seek(eocdOffset - ZIP64_LOCATOR_SIZE);
            if (_readInt() == ZIP64_LOCATOR_SIGNATURE) {
                final int diskWithCentralDir = _readInt();
                final long zip64EocdRecordOffset = _readLong();
                final int numDisks = _readInt();
                if (numDisks != 1 || diskWithCentralDir != 0) {
                    throw new IOException("Spanned archives not supported");
                }
                return zip64EocdRecordOffset;
            }
        }
        return -1;
    }

    private EocdRecord parseEocdRecord(long offset, boolean isZip64) throws IOException {
        _seek(offset);