public bool TryCreateResourceAccessor(string path, out IResourceAccessor result)
{
string nativeSystemId;
ResourcePath nativeResourcePath;
if (!TryExtractSystemAndPath(path, out nativeSystemId, out nativeResourcePath))
{
throw new InvalidDataException("Path '{0}' is not a valid path for remote resource provider", path);
}
ISystemResolver systemResolver = ServiceRegistration.Get <ISystemResolver>();
SystemName nativeSystem = systemResolver.GetSystemNameForSystemId(nativeSystemId);
if (nativeSystem == null)
{
throw new IllegalCallException("Cannot create resource accessor for resource location '{0}' at system '{1}': System is not available", nativeResourcePath, nativeSystemId);
}
// Try to access resource locally. This might work if we have the correct resource providers installed.
if (nativeSystem.IsLocalSystem() && nativeResourcePath.IsValidLocalPath && nativeResourcePath.TryCreateLocalResourceAccessor(out result))
{
return(true);
}
IFileSystemResourceAccessor fsra;
if (RemoteFileSystemResourceAccessor.ConnectFileSystem(nativeSystemId, nativeResourcePath, out fsra))
{
result = fsra;
return(true);
}
result = null;
return(false);
}
public IResourceAccessor Clone()
{
RemoteFileSystemResourceAccessor result = new RemoteFileSystemResourceAccessor(_nativeSystemId, _nativeResourcePath,
_isFile, _resourcePathName, _resourceName)
{
_sizeCache = _sizeCache,
_lastChangedCache = _lastChangedCache
};
return(result);
}
public static bool ConnectFileSystem(string nativeSystemId, ResourcePath nativeResourcePath, out IFileSystemResourceAccessor result)
{
IRemoteResourceInformationService rris = ServiceRegistration.Get<IRemoteResourceInformationService>();
result = null;
bool isFileSystemResource;
bool isFile;
string resourcePathName;
string resourceName;
long size;
DateTime lastChanged;
if (!rris.GetResourceInformation(nativeSystemId, nativeResourcePath, out isFileSystemResource, out isFile,
out resourcePathName, out resourceName, out lastChanged, out size) || !isFileSystemResource)
return false;
result = new RemoteFileSystemResourceAccessor(nativeSystemId, nativeResourcePath, isFile,
resourcePathName, resourceName, size, lastChanged);
return true;
}
public static bool ConnectFileSystem(string nativeSystemId, ResourcePath nativeResourcePath, out IFileSystemResourceAccessor result)
{
IRemoteResourceInformationService rris = ServiceRegistration.Get <IRemoteResourceInformationService>();
result = null;
bool isFileSystemResource;
bool isFile;
string resourcePathName;
string resourceName;
long size;
DateTime lastChanged;
if (!rris.GetResourceInformation(nativeSystemId, nativeResourcePath, out isFileSystemResource, out isFile,
out resourcePathName, out resourceName, out lastChanged, out size) || !isFileSystemResource)
{
return(false);
}
result = new RemoteFileSystemResourceAccessor(nativeSystemId, nativeResourcePath, isFile,
resourcePathName, resourceName, size, lastChanged);
return(true);
}
public IResourceAccessor Clone()
{
RemoteFileSystemResourceAccessor result = new RemoteFileSystemResourceAccessor(_nativeSystemId, _nativeResourcePath,
_isFile, _resourcePathName, _resourceName)
{
_sizeCache = _sizeCache,
_lastChangedCache = _lastChangedCache
};
return result;
}
