public bool FileExists(FileUri uri)
{
switch (uri.Location)
{
case StorageLocation.Bundle:
try
{
using (var stream = new StreamReader(uri.AbsolutePath))
{
if (stream == null)
{
return(false);
}
return(true);
}
}
catch
{
return(false);
}
case StorageLocation.Internal:
return(File.Exists(uri.AbsolutePath));
case StorageLocation.External:
return(File.Exists(uri.AbsolutePath));
default:
return(false);
}
}
public void MoveFile(FileUri sourceUri, FileUri destinationUri)
{
if (destinationUri.Location == StorageLocation.Bundle)
{
throw new InvalidOperationException("Unable to copy file inside the bundle.");
}
_fileSystemPlatform.MoveFile(sourceUri, destinationUri);
}
public void DeleteFile(FileUri uri)
{
if (uri.Location == StorageLocation.Bundle)
{
throw new InvalidOperationException("Unable to delete file inside the bundle.");
}
_fileSystemPlatform.DeleteFile(uri);
}
public ulong GetFileSize(FileUri uri)
{
if (!FileExists(uri))
{
return(0);
}
FileInfo fi = new FileInfo(uri.AbsolutePath);
return((ulong)fi.Length);
}
public static NSUrl ToNSUrl(this FileUri uri)
{
switch (uri.Location)
{
case StorageLocation.Bundle:
case StorageLocation.Internal:
case StorageLocation.External:
return(NSUrl.FromFilename(uri.AbsolutePath));
default:
throw new InvalidOperationException("Invalid FileUri type");
}
}
public static Android.Net.Uri ToUri(this FileUri uri)
{
switch (uri.Location)
{
case StorageLocation.Bundle:
return(Android.Net.Uri.Parse(uri.AbsolutePath.Replace("bundle://", "file:///android_asset/")));
case StorageLocation.Internal:
return(Android.Net.Uri.FromFile(new Java.IO.File(uri.AbsolutePath)));
case StorageLocation.External:
return(Android.Net.Uri.FromFile(new Java.IO.File(uri.AbsolutePath)));
default:
throw new InvalidOperationException("Invalid FileUri type");
}
}
public UniversalFileInfo GetFileInfo(FileUri uri)
{
if (!FileExists(uri))
{
throw new InvalidOperationException("File doesn't exists.");
}
FileInfo fi = new FileInfo(uri.AbsolutePath);
return(new UniversalFileInfo
{
CreationTime = fi.CreationTime,
LastAccessTime = fi.LastAccessTime,
LastWriteTime = fi.LastWriteTime,
Length = (ulong)fi.Length
});
}
public Stream OpenFile(FileUri uri, UniversalFileMode mode, UniversalFileAccess access, UniversalFileShare share)
{
switch (uri.Location)
{
case StorageLocation.Bundle:
return(Application.Context.Assets.Open(uri.RelativePath));
case StorageLocation.Internal:
return(File.Open(uri.AbsolutePath, (FileMode)mode, (FileAccess)access, (FileShare)share));
case StorageLocation.External:
return(File.Open(uri.AbsolutePath, (FileMode)mode, (FileAccess)access, (FileShare)share));
default:
return(null);
}
}
public void MoveFile(FileUri sourceUri, FileUri destinationUri)
{
File.Move(sourceUri.AbsolutePath, destinationUri.AbsolutePath);
}
public Stream OpenFile(FileUri uri, UniversalFileMode mode, UniversalFileAccess access, UniversalFileShare share)
{
return(File.Open(uri.AbsolutePath, (FileMode)mode, (FileAccess)access, (FileShare)share));
}
public bool FileExists(FileUri uri)
{
return(File.Exists(uri.AbsolutePath));
}
public UniversalFileInfo GetFileInfo(FileUri uri)
{
return(_fileSystemPlatform.GetFileInfo(uri));
}
public void CopyFile(FileUri sourceUri, FileUri destinationUri, bool overwrite)
{
File.Copy(sourceUri.AbsolutePath, destinationUri.AbsolutePath, overwrite);
}
public void DeleteFile(FileUri uri)
{
File.Delete(uri.AbsolutePath);
}
public bool FileExists(FileUri uri)
{
return(_fileSystemPlatform.FileExists(uri));
}
public ulong GetFileSize(FileUri uri)
{
return(_fileSystemPlatform.GetFileSize(uri));
}
public Stream OpenFile(FileUri uri)
{
return(OpenFile(uri, UniversalFileMode.Open, UniversalFileAccess.Read));
}
public Stream OpenFile(FileUri uri, UniversalFileMode mode, UniversalFileAccess access)
{
return(OpenFile(uri, mode, access, UniversalFileShare.None));
}
public Stream OpenFile(FileUri uri, UniversalFileMode mode, UniversalFileAccess access, UniversalFileShare share)
{
return(_fileSystemPlatform.OpenFile(uri, mode, access, share));
}
