/// <summary>Write all object entries to the index stream.</summary>
/// <remarks>
/// Write all object entries to the index stream.
/// <p>
/// After writing the stream passed to the factory is flushed but remains
/// open. Callers are always responsible for closing the output stream.
/// </remarks>
/// <param name="toStore">
/// sorted list of objects to store in the index. The caller must
/// have previously sorted the list using
/// <see cref="NGit.Transport.PackedObjectInfo">NGit.Transport.PackedObjectInfo</see>
/// 's
/// native
/// <see cref="System.IComparable{T}">System.IComparable<T></see>
/// implementation.
/// </param>
/// <param name="packDataChecksum">
/// checksum signature of the entire pack data content. This is
/// traditionally the last 20 bytes of the pack file's own stream.
/// </param>
/// <exception cref="System.IO.IOException">
/// an error occurred while writing to the output stream, or this
/// index format cannot store the object data supplied.
/// </exception>
public virtual void Write <_T0>(IList <_T0> toStore, byte[] packDataChecksum) where
_T0 : PackedObjectInfo
{
entries = toStore.UpcastTo <_T0, PackedObjectInfo>();
packChecksum = packDataChecksum;
WriteImpl();
@out.Flush();
}
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="System.IO.FileNotFoundException"></exception>
/// <exception cref="Sharpen.Error"></exception>
private FilePath ToTemp(MessageDigest md, int type, long len, InputStream @is)
{
bool delete = true;
FilePath tmp = NewTempFile();
try
{
FileOutputStream fOut = new FileOutputStream(tmp);
try
{
OutputStream @out = fOut;
if (config.GetFSyncObjectFiles())
{
@out = Channels.NewOutputStream(fOut.GetChannel());
}
DeflaterOutputStream cOut = Compress(@out);
DigestOutputStream dOut = new DigestOutputStream(cOut, md);
WriteHeader(dOut, type, len);
byte[] buf = Buffer();
while (len > 0)
{
int n = @is.Read(buf, 0, (int)Math.Min(len, buf.Length));
if (n <= 0)
{
throw ShortInput(len);
}
dOut.Write(buf, 0, n);
len -= n;
}
dOut.Flush();
cOut.Finish();
}
finally
{
if (config.GetFSyncObjectFiles())
{
fOut.GetChannel().Force(true);
}
fOut.Close();
}
delete = false;
return(tmp);
}
finally
{
if (delete)
{
FileUtils.Delete(tmp);
}
}
}
