/// <summary>
/// Checks the length of the string to verify whether or not it falls within the permissible limits.
/// </summary>
/// <param name="variable">The variable in context.</param>
/// <param name="getVariableName">The name of the variable that should be populated in the error context.</param>
/// <param name="minimumLength">The minimum length of the variable.</param>
/// <param name="maximumLength">The maximum length of the variable.</param>
/// <param name="actionContext">Current action context.</param>
/// <param name="modelState">Current model object.</param>
/// <returns>The status of the operation.</returns>
public static bool StringLength(string variable, Expression <Func <string, string> > getVariableName, int minimumLength, int maximumLength, HttpActionContext actionContext, ModelStateDictionary modelState)
{
var variableName = ((MemberExpression)getVariableName.Body).Member.Name;
var attr = new StringLengthAttribute(maximumLength)
{
MinimumLength = minimumLength
};
if (!attr.IsValid(variable))
{
modelState.AddModelError(attr.ToString(), attr.FormatErrorMessage(variableName));
AddErrorToResponse(actionContext, modelState);
return(false);
}
return(true);
}
static void Main(string[] args)
{
Directory.SetCurrentDirectory(AppDomain.CurrentDomain.BaseDirectory);
Console.WriteLine("Your model assembly name:");
var assemblyName = Console.ReadLine();
var asm = Assembly.Load(assemblyName);
var classes = asm.GetTypes().Where(p => p.IsClass).ToList();
foreach (var item in classes)
{
// Just grabbing this to get hold of the type name:
var type = item.GetType();
// Get the PropertyInfo object:
var properties = item.GetProperties();
if (HasEFDataAnnotaion(properties))
{
Console.WriteLine("");
Console.WriteLine("Found Data Annotations attributes at {0} ...", item.FullName);
foreach (var property in properties)
{
var attributes = property.GetCustomAttributes(false);
// Using reflection.
Attribute[] attrs = System.Attribute.GetCustomAttributes(property);
// Displaying output.
foreach (Attribute attr in attrs)
{
if (attr is KeyAttribute)
{
KeyAttribute a = (KeyAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is ForeignKeyAttribute)
{
ForeignKeyAttribute a = (ForeignKeyAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is IndexAttribute)
{
IndexAttribute a = (IndexAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.GetType().FullName + a.ToString(), property.Name);
}
if (attr is RequiredAttribute)
{
RequiredAttribute a = (RequiredAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is TimestampAttribute)
{
TimestampAttribute a = (TimestampAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is ConcurrencyCheckAttribute)
{
ConcurrencyCheckAttribute a = (ConcurrencyCheckAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is MinLengthAttribute)
{
MinLengthAttribute a = (MinLengthAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is MaxLengthAttribute)
{
MaxLengthAttribute a = (MaxLengthAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is StringLengthAttribute)
{
StringLengthAttribute a = (StringLengthAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is TableAttribute)
{
TableAttribute a = (TableAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is ColumnAttribute)
{
ColumnAttribute a = (ColumnAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is DatabaseGeneratedAttribute)
{
DatabaseGeneratedAttribute a = (DatabaseGeneratedAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
if (attr is ComplexTypeAttribute)
{
ComplexTypeAttribute a = (ComplexTypeAttribute)attr;
Console.WriteLine("attribute {0} on {1} ", a.ToString(), property.Name);
}
}
}
}
}
}