public override bool IsValid(ValidationContext context)
{
if (context.IsNull(context))
return true;
Match match = Validator.Match(context.Value.ToString());
return match.Success && match.Value == context.Value.ToString();
}
private static bool IsNullInternal(ValidationContext context)
{
if (context.Value == null)
return true;
if (context.NullValue is DBNull)
return false;
return context.NullValue.Equals(context.Value);
}
public override bool IsValid(ValidationContext context)
{
if (context.IsNull(context))
return true;
DateTime contextValue = Convert.ToDateTime(context.Value);
DateTime testValue = (DateTime)GetValue(context);
return testValue > contextValue || !IsExclusive && testValue == contextValue;
}
public static bool IsValid(ValidationContext context, string fieldName)
{
ValidatorBaseAttribute[] attrs = null;
object value = null;
#if !SILVERLIGHT
if (context.PropertyDescriptor != null)
{
value = context.PropertyDescriptor.GetValue(context.Object);
List<ValidatorBaseAttribute> list = null;
foreach (object o in context.PropertyDescriptor.Attributes)
{
if (o is ValidatorBaseAttribute)
{
if (list == null)
list = new List<ValidatorBaseAttribute>();
list.Add((ValidatorBaseAttribute)o);
}
}
if (list != null)
attrs = list.ToArray();
}
else
#endif
{
context.MemberAccessor = context.TypeAccessor[fieldName];
if (context.MemberAccessor != null)
{
value = context.MemberAccessor.GetValue(context.Object);
attrs = context.MemberAccessor.GetAttributes<ValidatorBaseAttribute>();
}
}
if (attrs != null)
{
context.Value = value;
for (int i = 0; i < attrs.Length; i++)
{
if (!attrs[i].IsValid(context))
return false;
}
}
return true;
}
public static ValidationContext InitContext(
ValidationContext context,
object obj,
PropertyDescriptor pd,
ValidationContext.IsNullHandler isNull)
{
if (context == null)
context = new ValidationContext();
context.Object = obj;
context.IsNull = isNull ?? new ValidationContext.IsNullHandler(IsNullInternal);
context.PropertyDescriptor = pd;
return context;
}
public static void Validate(ValidationContext context)
{
foreach (MemberAccessor ma in context.TypeAccessor)
{
ValidatorBaseAttribute[] attrs = ma.GetAttributes<ValidatorBaseAttribute>();
if (attrs == null)
continue;
context.MemberAccessor = ma;
context.Value = ma.GetValue(context.Object);
for (int i = 0; i < attrs.Length; i++)
{
ValidatorBaseAttribute attr = attrs[i];
if (attr.IsValid(context) == false)
throw new ValidationException(attr.GetErrorMessage(context));
}
}
}
protected virtual string GetPropertyFriendlyName(ValidationContext context)
{
MemberInfo mi = context.MemberInfo;
string className = mi.DeclaringType.Name;
string fieldName = mi.Name;
// Get class name.
//
object[] attrs = mi.DeclaringType.GetCustomAttributes(typeof(FriendlyNameAttribute), true);
if (attrs.Length > 0)
className = ((FriendlyNameAttribute)attrs[0]).Name;
else
{
attrs = mi.DeclaringType.GetCustomAttributes(typeof(DisplayNameAttribute), true);
if (attrs.Length > 0)
className = ((DisplayNameAttribute)attrs[0]).DisplayName;
}
// Get field name.
//
attrs = mi.GetCustomAttributes(typeof(FriendlyNameAttribute), true);
if (attrs.Length > 0)
fieldName = ((FriendlyNameAttribute)attrs[0]).Name;
else
{
attrs = mi.GetCustomAttributes(typeof(DisplayNameAttribute), true);
if (attrs.Length > 0)
fieldName = ((DisplayNameAttribute)attrs[0]).DisplayName;
}
return string.IsNullOrEmpty(className)? fieldName: className + "." + fieldName;
}
public abstract bool IsValid(ValidationContext context);
public static void Validate(object obj, ValidationContext.IsNullHandler isNull)
{
Validate(InitContext(null, obj, null, isNull));
}
public static string[] GetErrorMessages(object obj, PropertyDescriptor pd, ValidationContext.IsNullHandler isNull)
{
return GetErrorMessages(InitContext(null, obj, pd, isNull), pd.Name);
}
public static string[] GetErrorMessages(
object obj, string fieldName, ValidationContext.IsNullHandler isNull)
{
return GetErrorMessages(InitContext(null, obj, null, isNull), fieldName);
}
public static string[] GetErrorMessages(ValidationContext context, string fieldName)
{
context.MemberAccessor = context.TypeAccessor[fieldName];
if (context.MemberAccessor != null)
{
List<string> messages = new List<string>();
ValidatorBaseAttribute[] attrs = context.MemberAccessor.GetAttributes<ValidatorBaseAttribute>();
if (attrs != null)
{
context.Value = context.MemberAccessor.GetValue(context.Object);
for (int i = 0; i < attrs.Length; i++)
messages.Add(attrs[i].GetErrorMessage(context));
return messages.ToArray();
}
}
return new string[0];
}
public static bool IsValid(object obj, PropertyDescriptor pd, ValidationContext.IsNullHandler isNull)
{
return IsValid(InitContext(null, obj, pd, isNull), pd.Name);
}
public override bool IsValid(ValidationContext context)
{
return context.IsNull(context) || context.Value.ToString().Length <= _value;
}
public virtual string GetErrorMessage(ValidationContext context)
{
return string.Format(ErrorMessage, GetPropertyFriendlyName(context));
}
public override bool IsValid(ValidationContext context)
{
if (context.IsNull(context))
return true;
object contextValue = context.Value;
object testValue = GetValue(context);
if (contextValue is Int32)
{
Int32 tv = Convert.ToInt32(testValue);
return tv > (Int32)contextValue || !IsExclusive && tv == (Int32)contextValue;
}
if (contextValue is decimal)
{
decimal tv = Convert.ToDecimal(testValue);
return tv > (decimal)contextValue || !IsExclusive && tv == (decimal)contextValue;
}
if (contextValue is double)
{
double tv = Convert.ToDouble(testValue);
return tv > (double)contextValue || !IsExclusive && tv == (double)contextValue;
}
if (contextValue is float)
{
float tv = Convert.ToSingle(testValue);
return tv > (float)contextValue || !IsExclusive && tv == (float)contextValue;
}
if (contextValue is byte)
{
byte tv = Convert.ToByte(testValue);
return tv > (byte)contextValue || !IsExclusive && tv == (byte)contextValue;
}
if (contextValue is char)
{
char tv = Convert.ToChar(testValue);
return tv > (char)contextValue || !IsExclusive && tv == (char)contextValue;
}
if (contextValue is Int16)
{
Int16 tv = Convert.ToInt16(testValue);
return tv > (Int16)contextValue || !IsExclusive && tv == (Int16)contextValue;
}
if (contextValue is sbyte)
{
sbyte tv = Convert.ToSByte(testValue);
return tv > (sbyte)contextValue || !IsExclusive && tv == (sbyte)contextValue;
}
if (contextValue is UInt16)
{
UInt16 tv = Convert.ToUInt16(testValue);
return tv > (UInt16)contextValue || !IsExclusive && tv == (UInt16)contextValue;
}
if (contextValue is UInt32)
{
UInt32 tv = Convert.ToUInt32(testValue);
return tv > (UInt32)contextValue || !IsExclusive && tv == (UInt32)contextValue;
}
if (contextValue is Int64)
{
Int64 tv = Convert.ToInt64(testValue);
return tv > (Int64)contextValue || !IsExclusive && tv == (Int64)contextValue;
}
if (contextValue is UInt64)
{
UInt64 tv = Convert.ToUInt64(testValue);
return tv > (UInt64)contextValue || !IsExclusive && tv == (UInt64)contextValue;
}
return true;
}
public virtual object GetValue(ValidationContext context)
{
return _value;
}
public override string GetErrorMessage(ValidationContext context)
{
return string.Format(ErrorMessage,
GetPropertyFriendlyName(context),
GetValue(context),
IsExclusive? " exclusive": string.Empty);
}
public override string GetErrorMessage(ValidationContext context)
{
return string.Format(ErrorMessage, GetPropertyFriendlyName(context), Value);
}
public override bool IsValid(ValidationContext context)
{
return context.IsNull(context) == false;
}
public static bool IsValid(object obj, string fieldName, ValidationContext.IsNullHandler isNull)
{
return IsValid(InitContext(null, obj, null, isNull), fieldName);
}
