/// <summary>
/// Gets the stored information for a class and property.
/// Not only the class is examined, but also all superclasses and implemented interfaces.
/// </summary>
/// <param name="targetClass">The object about which information will be retrieved</param>
/// <param name="property">The property in the class</param>
/// <param name="subject">The type of information required</param>
/// <param name="defaultValue">Default value if the information is not found</param>
/// <returns>The information stored for this class, property and type, the default value if not found</returns>
public static object GetAttributeDefault(Type targetClass, string property, string subject, object defaultValue)
{
// try to find appropriate value in super class
Type targetType = targetClass;
while (targetType != null)
{
string target = targetType.FullName;
MetaInfoEntry table = MetaInfo.GetEntry(target);
if (table != null)
{
if (table.Contains(property, subject))
{
return(table.GetValue(property, subject));
}
}
targetType = targetType.BaseType;
}
// try to find an interface implemented by the target type
foreach (Type implementedInterface in targetClass.GetInterfaces())
{
object attribute = MetaInfo.GetAttributeDefault(implementedInterface, property, subject, null);
if (attribute != null)
{
return(attribute);
}
}
return(defaultValue);
}
/// <summary>
/// Gets the stored information for a string
/// </summary>
/// <param name="target">The string about which information will be retrieved</param>
/// <param name="subject">The type of information required</param>
/// <param name="defaultValue">Default value if the information is not found</param>
/// <returns>The information stored for this class, property and type, the default value if not found</returns>
public static object GetAttributeDefault(string target, string subject, object defaultValue)
{
MetaInfoEntry table = MetaInfo.GetEntry(target);
if (table != null)
{
if (table.Contains(null, subject))
{
return(table.GetValue(null, subject));
}
}
return(defaultValue);
}