Example #1
0
        private byte[] idBufferBlob(Entry e)
        {
            try
            {
                FileStream @is = e.openInputStream();
                if (@is == null)
                    return zeroid;
                try
                {
                    initializeDigest();

                    contentDigest.Reset();
                    contentDigest.Update(hblob);
                    contentDigest.Update((byte)' ');

                    long blobLength = e.getLength();
                    long sz = blobLength;
                    if (sz == 0)
                    {
                        contentDigest.Update((byte)'0');
                    }
                    else
                    {
                        int bufn = contentReadBuffer.Length;
                        int p = bufn;
                        do
                        {
                            contentReadBuffer[--p] = digits[(int)(sz % 10)];
                            sz /= 10;
                        } while (sz > 0);
                        contentDigest.Update(contentReadBuffer, p, bufn - p);
                    }
                    contentDigest.Update((byte)0);

                    for (; ; )
                    {
                        int r = @is.Read(contentReadBuffer, 0, contentReadBuffer.Length); // was: read(contentReadBuffer) in java
                        if (r <= 0)
                            break;
                        contentDigest.Update(contentReadBuffer, 0, r);
                        sz += r;
                    }
                    if (sz != blobLength)
                        return zeroid;
                    return contentDigest.Digest();
                }
                finally
                {
                    try
                    {
                        @is.Close();
                    }
                    catch (IOException)
                    {
                        // Suppress any error related to closing an input
                        // stream. We don't care, we should not have any
                        // outstanding data to flush or anything like that.
                    }
                }
            }
            catch (IOException)
            {
                // Can't read the file? Don't report the failure either.
                //
                return zeroid;
            }
        }