/// <summary>
/// Opens a file identified by a URI for read or write.
/// </summary>
/// <param name="uri"></param>
/// <param name="mode"></param>
/// <param name="compression"></param>
/// <param name="archival"></param>
/// <returns></returns>
public Stream Open(Uri uri, DataFileMode mode, DataFileCompression compression, DataFileArchival archival)
{
this.uri = uri;
this.mode = mode;
this.compression = compression;
this.archival = archival;
return(Open());
}
/// <summary>
/// Initializes private member variables.
/// </summary>
private void InitializeMembers()
{
this.uri = null;
this.mode = DataFileMode.Read;
this.compression = DataFileCompression.Automatic;
this.archival = DataFileArchival.Automatic;
this.userName = null;
this.password = null;
}
public FileFormatDescription GetFileFormatDescription(Uri uri, out string filename, out string extension, out DataFileCompression compression)
{
GetExtensionWithoutCompression(uri, out filename, out extension, out compression);
// FInd file format with the appropriate extensions
FileFormatDescription format = null;
foreach (var f in GetFileFormatDescriptions())
{
if (StringComparer.InvariantCultureIgnoreCase.Compare(extension, f.Value.DefaultExtension) == 0)
{
format = f.Value;
break;
}
}
return(format);
}
/// <summary>
/// Returns the file extension by stripping of the extension of the
/// compressed file, if any.
/// </summary>
protected void GetExtensionWithoutCompression(Uri uri, out string filename, out string extension, out DataFileCompression compressionMethod)
{
var path = Util.UriConverter.ToFilePath(uri); // This isn't always a file path, so it's the safest to do now
extension = Path.GetExtension(path);
if (Jhu.Graywulf.IO.Constants.CompressionExtensions.ContainsKey(extension))
{
filename = Path.GetFileNameWithoutExtension(path);
extension = Path.GetExtension(path);
compressionMethod = Jhu.Graywulf.IO.Constants.CompressionExtensions[extension];
}
else
{
filename = Path.GetFileName(path);
extension = Path.GetExtension(path);
compressionMethod = DataFileCompression.None;
}
}
/// <summary>
/// Initializes private member variables.
/// </summary>
private void InitializeMembers()
{
this.uri = null;
this.mode = DataFileMode.Read;
this.compression = DataFileCompression.Automatic;
this.archival = DataFileArchival.Automatic;
this.userName = null;
this.password = null;
}
/// <summary>
/// Opens a file identified by a URI for read or write.
/// </summary>
/// <param name="uri"></param>
/// <param name="mode"></param>
/// <param name="compression"></param>
/// <param name="archival"></param>
/// <returns></returns>
public Stream Open(Uri uri, DataFileMode mode, DataFileCompression compression, DataFileArchival archival)
{
this.uri = uri;
this.mode = mode;
this.compression = compression;
this.archival = archival;
return Open();
}
public FileFormatDescription GetFileFormatDescription(Uri uri, out string filename, out string extension, out DataFileCompression compression)
{
GetExtensionWithoutCompression(uri, out filename, out extension, out compression);
// FInd file format with the appropriate extensions
FileFormatDescription format = null;
foreach (var f in GetFileFormatDescriptions())
{
if (StringComparer.InvariantCultureIgnoreCase.Compare(extension, f.Value.DefaultExtension) == 0)
{
format = f.Value;
break;
}
}
return format;
}
/// <summary>
/// Returns the file extension by stripping of the extension of the
/// compressed file, if any.
/// </summary>
protected void GetExtensionWithoutCompression(Uri uri, out string filename, out string extension, out DataFileCompression compressionMethod)
{
var path = Util.UriConverter.ToFilePath(uri); // This isn't always a file path, so it's the safest to do now
extension = Path.GetExtension(path);
if (Jhu.Graywulf.IO.Constants.CompressionExtensions.ContainsKey(extension))
{
filename = Path.GetFileNameWithoutExtension(path);
extension = Path.GetExtension(path);
compressionMethod = Jhu.Graywulf.IO.Constants.CompressionExtensions[extension];
}
else
{
filename = Path.GetFileName(path);
extension = Path.GetExtension(path);
compressionMethod = DataFileCompression.None;
}
}
