Files
Umbraco-CMS/src/Umbraco.Core/Deploy/IFileSource.cs
2020-02-24 08:21:53 +01:00

92 lines
3.9 KiB
C#

using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
namespace Umbraco.Core.Deploy
{
/// <summary>
/// Represents a file source, ie a mean for a target environment involved in a
/// deployment to obtain the content of files being deployed.
/// </summary>
public interface IFileSource
{
/// <summary>
/// Gets the content of a file as a stream.
/// </summary>
/// <param name="udi">A file entity identifier.</param>
/// <returns>A stream with read access to the file content.</returns>
/// <remarks>
/// <para>Returns null if no content could be read.</para>
/// <para>The caller should ensure that the stream is properly closed/disposed.</para>
/// </remarks>
Stream GetFileStream(StringUdi udi);
/// <summary>
/// Gets the content of a file as a stream.
/// </summary>
/// <param name="udi">A file entity identifier.</param>
/// <param name="token">A cancellation token.</param>
/// <returns>A stream with read access to the file content.</returns>
/// <remarks>
/// <para>Returns null if no content could be read.</para>
/// <para>The caller should ensure that the stream is properly closed/disposed.</para>
/// </remarks>
Task<Stream> GetFileStreamAsync(StringUdi udi, CancellationToken token);
/// <summary>
/// Gets the content of a file as a string.
/// </summary>
/// <param name="udi">A file entity identifier.</param>
/// <returns>A string containing the file content.</returns>
/// <remarks>Returns null if no content could be read.</remarks>
string GetFileContent(StringUdi udi);
/// <summary>
/// Gets the content of a file as a string.
/// </summary>
/// <param name="udi">A file entity identifier.</param>
/// <param name="token">A cancellation token.</param>
/// <returns>A string containing the file content.</returns>
/// <remarks>Returns null if no content could be read.</remarks>
Task<string> GetFileContentAsync(StringUdi udi, CancellationToken token);
/// <summary>
/// Gets the length of a file.
/// </summary>
/// <param name="udi">A file entity identifier.</param>
/// <returns>The length of the file, or -1 if the file does not exist.</returns>
long GetFileLength(StringUdi udi);
/// <summary>
/// Gets the length of a file.
/// </summary>
/// <param name="udi">A file entity identifier.</param>
/// <param name="token">A cancellation token.</param>
/// <returns>The length of the file, or -1 if the file does not exist.</returns>
Task<long> GetFileLengthAsync(StringUdi udi, CancellationToken token);
/// <summary>
/// Gets files and store them using a file store.
/// </summary>
/// <param name="udis">The udis of the files to get.</param>
/// <param name="fileTypes">A collection of file types which can store the files.</param>
void GetFiles(IEnumerable<StringUdi> udis, IFileTypeCollection fileTypes);
/// <summary>
/// Gets files and store them using a file store.
/// </summary>
/// <param name="udis">The udis of the files to get.</param>
/// <param name="fileTypes">A collection of file types which can store the files.</param>
/// <param name="token">A cancellation token.</param>
Task GetFilesAsync(IEnumerable<StringUdi> udis, IFileTypeCollection fileTypes, CancellationToken token);
///// <summary>
///// Gets the content of a file as a bytes array.
///// </summary>
///// <param name="Udi">A file entity identifier.</param>
///// <returns>A byte array containing the file content.</returns>
//byte[] GetFileBytes(StringUdi Udi);
}
}