public static HyperSearchSettings Instance()
{
if (_instance == null)
{
Load();
if (_instance == null) _instance = new HyperSearchSettings();
}
return _instance;
}
public static void Load()
{
try
{
var filePath = Global.BuildFilePathInAppDir("Settings.json");
string json;
if (File.Exists(filePath))
{
json = File.ReadAllText(filePath);
}
else
{ // create json using all top-level expected objects so that the DefaultValue attribute can take over
//var allExpectedSections = (from p in typeof(HyperSearchSettings).GetProperties(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance)
// select string.Format("\"{0}\": {{ }}", p.Name));
var highLevelProperties = (from p in typeof(HyperSearchSettings).GetProperties(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance)
select new
{
p.Name,
Children = (from c in p.GetGetMethod().ReturnType.GetProperties(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance)
where c.IsDefined(typeof(SettingCreateEmptyAttribute),false)
select new { c.Name }
)
});
var allExpectedSections = from p in highLevelProperties
select string.Format("\"{0}\": {{ {1} }}", p.Name, (
string.Join(",", (from c in p.Children
select string.Format("\"{0}\": {{ }}", c.Name)))
));
json = "{" + string.Join(",", allExpectedSections.ToArray()) + "}";
}
JsonSerializerSettings ss = new JsonSerializerSettings();
ss.Converters = new List<JsonConverter> { new KeyListConverter() };
ss.DefaultValueHandling = DefaultValueHandling.Populate;
var settings = JsonConvert.DeserializeObject<HyperSearchSettings>(json, ss);
var nullSections = (from p in settings.GetType().GetProperties(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance)
where p.GetValue(settings, null) == null
select p);
foreach(var p in nullSections)
{
// create an empty section
var emptySection = Activator.CreateInstance(p.PropertyType);
p.SetValue(settings, emptySection, null);
}
_instance = settings;
// TODO: Find a better way to create these objects on demand
if (_instance.Input.Triggers == null) _instance.Input.Triggers = new Triggers();
}
catch (Exception ex)
{
ErrorHandler.HandleException(ex);
}
}
