public Stream OpenWrite(Type configType, ConfigurationOptionsAttribute options)
{
ObservableMemoryStream stream = new ObservableMemoryStream(configType);
stream.Disposed += WriteStream_Disposed;
return stream;
}
public override Stream OpenWrite(Type configType, ConfigurationOptionsAttribute options)
{
if (Store == null)
throw new InvalidOperationException();
return new IsolatedStorageFileStream(GetFileName(configType, options), FileMode.Create, Store);
}
public override void Delete(Type configType, ConfigurationOptionsAttribute options)
{
string path = GetPath(configType, options);
if (File.Exists(path))
File.Delete(path);
}
public Stream OpenRead(Type configType, ConfigurationOptionsAttribute options)
{
if (!Exists(configType, options))
throw new FileNotFoundException();
return new MemoryStream(Storage[configType]);
}
public override void Delete(Type configType, ConfigurationOptionsAttribute options)
{
if (!Exists(configType, options))
return;
string path = GetFileName(configType, options);
Store.DeleteFile(path);
}
private string GetPath(Type configType, ConfigurationOptionsAttribute options)
{
string configDirectory = Path.Combine(MirandaEnvironment.MirandaFolderPath, "Configuration");
if (!Directory.Exists(configDirectory))
Directory.CreateDirectory(configDirectory);
return Path.Combine(configDirectory, GetFileName(configType, options));
}
protected virtual string GetFileName(Type configType, ConfigurationOptionsAttribute options)
{
if (configType == null)
throw new ArgumentNullException("configType");
if (options == null)
throw new ArgumentNullException("options");
string versionSuffix = (options.Version != null ? options.Version.ToString() : String.Empty);
string profileBoundSuffix = String.Empty;
if (options.ProfileBound)
{
if (!MirandaContext.Initialized)
throw new InvalidOperationException();
profileBoundSuffix = Path.GetFileNameWithoutExtension(MirandaContext.Current.MirandaDatabase.ProfileName);
}
if (!String.IsNullOrEmpty(options.StaticFileName))
return options.StaticFileName;
return String.Format("{0}_{1}_{2}", configType.FullName, versionSuffix, profileBoundSuffix).Replace('.', '-') + ".dat";
}
public override bool Exists(Type configType, ConfigurationOptionsAttribute options)
{
return Store.GetFileNames(GetFileName(configType, options)).Length != 0;
}
public abstract void Delete(Type configType, ConfigurationOptionsAttribute options);
public abstract bool Exists(Type configType, ConfigurationOptionsAttribute options);
public abstract Stream OpenWrite(Type configType, ConfigurationOptionsAttribute options);
public void Delete(Type configType, ConfigurationOptionsAttribute options)
{
Storage.Remove(configType);
}
public bool Exists(Type configType, ConfigurationOptionsAttribute options)
{
return Storage.ContainsKey(configType);
}
public override bool Exists(Type configType, ConfigurationOptionsAttribute options)
{
return File.Exists(GetPath(configType, options));
}
public override Stream OpenWrite(Type configType, ConfigurationOptionsAttribute options)
{
return File.OpenWrite(GetPath(configType, options));
}