public TarBuffer(InputStream inStream, int blockSize, int recordSize) { this.inStream = inStream; this.outStream = null;  this.initialize(blockSize, recordSize);
public TarBuffer(InputStream inStream) { this(inStream, TarBuffer.DEFAULT_BLKSIZE);
    public TarBuffer(InputStream inStream, int blockSize, int recordSize) {        this.inStream = inStream;        this.outStream = null;        this.initialize(blockSize, recordSize);    }