/// <summary>
/// Calls any methods designed to handle <see cref="ConvertingTypeEventArgs"/> events.
/// </summary>
/// <param name="args">
/// The <see cref="ConvertingTypeEventArgs"/>.
/// </param>
public static void CallConvertingTypeHandler(ConvertingTypeEventArgs args)
{
if (ConvertingType != null)
{
ConvertingType(null, args);
}
}
/// <summary>
/// Calls any methods designed to handle <see cref="ConvertingTypeEventArgs"/> events.
/// </summary>
/// <param name="args">
/// The <see cref="ConvertingTypeEventArgs"/>.
/// </param>
public static void CallConvertingTypeHandler(ConvertingTypeEventArgs args)
{
if (ConvertingType != null)
{
ConvertingType(null, args);
}
}
/// <summary>
/// Returns an object representing the given <see cref="Type"/>.
/// </summary>
/// <param name="content">
/// The <see cref="IPublishedContent"/> to convert.
/// </param>
/// <param name="type">
/// The <see cref="Type"/> of items to return.
/// </param>
/// <param name="convertingType">
/// The <see cref="Action{ConvertingTypeEventArgs}"/> to fire when converting.
/// </param>
/// <param name="convertedType">
/// The <see cref="Action{ConvertedTypeEventArgs}"/> to fire when converted.
/// </param>
/// <returns>
/// The converted <see cref="Object"/> as the given type.
/// </returns>
public static object As(
this IPublishedContent content,
Type type,
Action <ConvertingTypeEventArgs> convertingType = null,
Action <ConvertedTypeEventArgs> convertedType = null,
CultureInfo culture = null)
{
if (content == null)
{
return(null);
}
using (DisposableTimer.DebugDuration(type, string.Format("IPublishedContent As ({0})", content.DocumentTypeAlias), "Complete"))
{
// Check for and fire any event args
var convertingArgs = new ConvertingTypeEventArgs
{
Content = content
};
EventHandlers.CallConvertingTypeHandler(convertingArgs);
if (!convertingArgs.Cancel && convertingType != null)
{
convertingType(convertingArgs);
}
// Cancel if applicable.
if (convertingArgs.Cancel)
{
return(null);
}
// Create an object and fetch it as the type.
object instance = GetTypedProperty(content, type, culture);
// Fire the converted event
var convertedArgs = new ConvertedTypeEventArgs
{
Content = content,
Converted = instance,
ConvertedType = type
};
if (convertedType != null)
{
convertedType(convertedArgs);
}
EventHandlers.CallConvertedTypeHandler(convertedArgs);
return(convertedArgs.Converted);
}
}
public static T As <T>(this IPublishedContent content)
where T : class
{
using (var t = DisposableTimer.DebugDuration <T>(string.Format("As ({0})", content.DocumentTypeAlias)))
{
var type = typeof(T);
T instance;
var constructor = type.GetConstructors()
.OrderBy(x => x.GetParameters().Length)
.First();
var constructorParams = constructor.GetParameters();
var args1 = new ConvertingTypeEventArgs {
Content = content
};
CallConvertingTypeHandler(args1);
if (args1.Cancel)
{
return(null);
}
if (constructorParams.Length == 0)
{
instance = Activator.CreateInstance(type) as T;
}
else if (constructorParams.Length == 1 & constructorParams[0].ParameterType == typeof(IPublishedContent))
{
instance = Activator.CreateInstance(type, content) as T;
}
else
{
throw new InvalidOperationException("Type {0} has invalid constructor parameters");
}
var properties = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
var contentType = content.GetType();
foreach (var propertyInfo in properties.Where(x => x.CanWrite))
{
using (var propertyLoopTimer = DisposableTimer.DebugDuration <T>(string.Format("ForEach Property ({1} {0})", propertyInfo.Name, content.Id)))
{
var umbracoPropertyName = propertyInfo.Name;
var altUmbracoPropertyName = "";
var recursive = false;
object defaultValue = null;
var umbracoPropertyAttr = propertyInfo.GetCustomAttribute <UmbracoPropertyAttribute>();
if (umbracoPropertyAttr != null)
{
umbracoPropertyName = umbracoPropertyAttr.PropertyName;
altUmbracoPropertyName = umbracoPropertyAttr.AltPropertyName;
recursive = umbracoPropertyAttr.Recursive;
defaultValue = umbracoPropertyAttr.DefaultValue;
}
// Try fetching the value
var contentProperty = contentType.GetProperty(umbracoPropertyName);
var propertyValue = contentProperty != null
? contentProperty.GetValue(content, null)
: content.GetPropertyValue(umbracoPropertyName,
recursive);
// Try fetching the alt value
if (propertyValue == null && !string.IsNullOrWhiteSpace(altUmbracoPropertyName))
{
contentProperty = contentType.GetProperty(altUmbracoPropertyName);
propertyValue = contentProperty != null
? contentProperty.GetValue(content, null)
: content.GetPropertyValue(altUmbracoPropertyName,
recursive);
}
// Try setting the default value
if (propertyValue == null && defaultValue != null)
{
propertyValue = defaultValue;
}
// Process the value
if (propertyValue != null)
{
if (propertyInfo.PropertyType.IsInstanceOfType(propertyValue))
{
propertyInfo.SetValue(instance, propertyValue, null);
}
else
{
using (var typeConverterTimer = DisposableTimer.DebugDuration <T>(string.Format("TypeConverter ({1} {0})", propertyInfo.Name, content.Id)))
{
var converterAttr = propertyInfo.GetCustomAttribute <TypeConverterAttribute>();
if (converterAttr != null)
{
var converter = Activator.CreateInstance(Type.GetType(converterAttr.ConverterTypeName)) as TypeConverter;
propertyInfo.SetValue(instance, converter.ConvertFrom(propertyValue), null);
}
else
{
var convert = propertyValue.TryConvertTo(propertyInfo.PropertyType);
if (convert.Success)
{
propertyInfo.SetValue(instance, convert.Result, null);
}
}
}
}
}
}
}
var args2 = new ConvertedTypeEventArgs
{
Content = content,
Converted = instance,
ConvertedType = typeof(T)
};
CallConvertedTypeHandler(args2);
return(args2.Converted as T);
}
}