/// <summary>
/// Load backup map
/// BackupMap conteins all stored object name and their types of the backup.
/// </summary>
private void LoadBackupMap()
{
var objectDefinition = new ExtractEntry
{
EntryName = _mapEntryName,
BackupObjectTypeName = typeof(ExtractEntry[]).AssemblyQualifiedName
};
_extpactMap = GetFromBackup <ExtractEntry[]>(objectDefinition).ToList();
}
/// <summary>
/// Get object from backup and deserialize one.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="objectDefinition"></param>
/// <returns></returns>
private T GetFromBackup <T>(ExtractEntry objectDefinition) where T : class
{
var entry = _zipArchive.Entries.FirstOrDefault(x => x.Name.Equals(objectDefinition.EntryName, StringComparison.InvariantCultureIgnoreCase));
using (var reader = entry.Open())
{
var type = objectDefinition.BackupObjectType;
// Prepare ignored properties
var xmlOver = GetIgnoreProperties(objectDefinition);
var serializer = new XmlSerializer(type, xmlOver);
var serializedObject = serializer.Deserialize(reader);
return(serializedObject as T);
}
}
/// <summary>
/// Serialize xml file to object by given file name
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="entryName"></param>
/// <returns></returns>
public T LoadObject <T>(string entryName) where T : class
{
ExtractEntry extractEntry = null;
if (_extpactMap != null)
{
extractEntry = _extpactMap.FirstOrDefault(x => x.EntryName == entryName);
}
extractEntry = extractEntry
?? new ExtractEntry
{
EntryName = entryName,
BackupObjectTypeName = typeof(T).AssemblyQualifiedName
};
return(GetFromBackup <T>(extractEntry));
}
