public static void FillNullProperties(object source, Func <PropertyInfo, object> propertyValueFactory)
{
Precondition.ArgumentNotNull(source, nameof(source));
Precondition.ArgumentNotNull(propertyValueFactory, nameof(propertyValueFactory));
var sourceType = source.GetType();
var propertyInfos = sourceType.GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (var propertyInfo in propertyInfos)
{
var propertyType = propertyInfo.PropertyType;
var setMethodInfo = propertyInfo.GetSetMethod();
if (!propertyType.IsClass || setMethodInfo == null || !setMethodInfo.IsPublic || !propertyInfo.CanWrite)
{
continue;
}
var propertyValue = propertyInfo.GetValue(source);
if (propertyValue != null)
{
FillNullProperties(propertyValue, propertyValueFactory);
}
else if (propertyInfo.CanWrite)
{
propertyValue = propertyValueFactory(propertyInfo);
if (propertyValue == null)
{
continue;
}
FillNullProperties(propertyValue, propertyValueFactory);
propertyInfo.SetValue(source, propertyValue);
}
}
}
public static void IterateProperties(object source, Func <PropertyInfo, object, object> callback)
{
Precondition.ArgumentNotNull(source, nameof(source));
Precondition.ArgumentNotNull(callback, nameof(callback));
var sourceType = source.GetType();
var propertyInfos = sourceType.GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (var propertyInfo in propertyInfos)
{
var setMethodInfo = propertyInfo.GetSetMethod();
if (setMethodInfo == null || !setMethodInfo.IsPublic || !propertyInfo.CanWrite)
{
continue;
}
var propertyValue = propertyInfo.GetValue(source);
propertyValue = callback(propertyInfo, propertyValue);
propertyInfo.SetValue(source, propertyValue);
if (propertyValue != null)
{
IterateProperties(propertyValue, callback);
}
}
}
public static string ToVariableName(string st)
{
Precondition.ArgumentNotNull(st, nameof(st));
var chars = st.ToCharArray();
if (chars.Length > 0)
{
chars[0] = char.ToLower(chars[0]);
}
return(new string(chars));
}
public static object CreateDefaultInstance(Type fromType)
{
Precondition.ArgumentNotNull(fromType, nameof(fromType));
if (DefaultTypeInstances.ContainsKey(fromType))
{
return(DefaultTypeInstances[fromType]);
}
return(fromType.GetConstructors().Any(constructor => constructor.GetParameters().Length == 0)
? Activator.CreateInstance(fromType)
: null);
}
public static object ExecuteMethod(object source, string methodName, params object[] paramsObjects)
{
Precondition.ArgumentNotNull(source, nameof(source));
Precondition.ArgumentNotNull(methodName, nameof(methodName));
return(source.GetType().GetMethod(methodName)?.Invoke(
source,
BindingFlags.Instance,
null,
paramsObjects,
CultureInfo.CurrentCulture));
}
/// <summary>
/// https://stackoverflow.com/questions/323314/best-way-to-convert-pascal-case-to-a-sentence
/// </summary>
public static string ToFriendlyString(string st)
{
Precondition.ArgumentNotNull(st, nameof(st));
return(Regex.Replace(st, "[a-z][A-Z]", m => $"{m.Value[0]} {char.ToLower(m.Value[1])}"));
}
