/// <summary>
/// Indicates whether the property value should be added to the final XElement representation
/// based on the attribute and the value of the property
/// </summary>
/// <param name="beerAttribute"></param>
/// <param name="propertyValue"></param>
/// <returns></returns>
private bool ShouldAddProperty(BeerXMLIncludeAttribute beerAttribute, object propertyValue)
{
if (beerAttribute == null)
{
return(false);
}
bool propertyIsNull = propertyValue == null;
if (beerAttribute.Requirement == PropertyRequirement.REQUIRED)
{
if (propertyIsNull)
{
throw new InvalidOperationException("Required type with null value");
}
return(true);
}
if (propertyIsNull)
{
return(false);
}
return(true);
}
/// <summary>
/// Ensures the property mapping dictionaries are built.
/// </summary>
private static void EnsurePropertyMappings()
{
// dictionaries are built, just return
if (_isInit)
{
return;
}
// get the assembly
Assembly assembly = Assembly.GetExecutingAssembly();
// find every IBeerXMLEntity type in the assembly that is a non-abstract class
foreach (Type type in assembly.GetTypes().Where(t => typeof(IBeerXMLEntity).IsAssignableFrom(t) && t.IsClass && !t.IsAbstract))
{
// add the name -> type mapping
_typeNameToTypeMap.Add(type.Name, type);
IDictionary <string, BeerXMLProperty> propInfoList = new Dictionary <string, BeerXMLProperty>(StringComparer.OrdinalIgnoreCase);
// find every property that has the BeerXMLIncludeAttribute on it
foreach (PropertyInfo property in type.GetProperties())
{
BeerXMLIncludeAttribute attribute = property.GetCustomAttribute(typeof(BeerXMLIncludeAttribute), inherit: true) as BeerXMLIncludeAttribute;
if (attribute != null)
{
BeerXMLProperty prop = new BeerXMLProperty(property, attribute, typeof(IBeerXMLEntity).IsAssignableFrom(property.PropertyType));
propInfoList.Add(prop.Name, prop);
}
}
// add to dictionary
_typeToPropertyMap.Add(type, propInfoList);
}
// don't run this again
_isInit = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="BeerXMLProperty"/> class.
/// </summary>
/// <param name="property">The property.</param>
/// <param name="attribute">The attribute.</param>
/// <param name="isIBeerXMLEntity">if set to <c>true</c> [is i beer XML entity].</param>
public BeerXMLProperty(PropertyInfo property, BeerXMLIncludeAttribute attribute, bool isIBeerXMLEntity)
{
this.Property = property;
this.Attribute = attribute;
this.IsIBeerXMLEntity = isIBeerXMLEntity;
}
