public static Dictionary <string, EntityProperty> Flatten(object root, EntityPropertyConverterOptions entityPropertyConverterOptions, OperationContext operationContext)
{
if (root == null)
{
return(null);
}
Dictionary <string, EntityProperty> dictionary = new Dictionary <string, EntityProperty>();
HashSet <object> antecedents = new HashSet <object>(new ObjectReferenceEqualityComparer());
if (!Flatten(dictionary, root, string.Empty, antecedents, entityPropertyConverterOptions, operationContext))
{
return(null);
}
return(dictionary);
}
private static bool Flatten(Dictionary <string, EntityProperty> propertyDictionary, object current, string objectPath, HashSet <object> antecedents, EntityPropertyConverterOptions entityPropertyConverterOptions, OperationContext operationContext)
{
if (current == null)
{
return(true);
}
Type type = current.GetType();
EntityProperty entityProperty = CreateEntityPropertyWithType(current, type);
if (entityProperty != null)
{
propertyDictionary.Add(objectPath, entityProperty);
return(true);
}
PropertyInfo[] properties = type.GetProperties();
if (!properties.Any())
{
throw new SerializationException(string.Format(CultureInfo.InvariantCulture, "Unsupported type : {0} encountered during conversion to EntityProperty. Object Path: {1}", type, objectPath));
}
bool flag = false;
if (!type.IsValueType)
{
if (antecedents.Contains(current))
{
throw new SerializationException(string.Format(CultureInfo.InvariantCulture, "Recursive reference detected. Object Path: {0} Property Type: {1}.", objectPath, type));
}
antecedents.Add(current);
flag = true;
}
string propertyNameDelimiter = (entityPropertyConverterOptions != null) ? entityPropertyConverterOptions.PropertyNameDelimiter : "_";
bool result = (from propertyInfo in properties
where !ShouldSkip(propertyInfo, objectPath, operationContext)
select propertyInfo).All(delegate(PropertyInfo propertyInfo)
{
if (propertyInfo.Name.Contains(propertyNameDelimiter))
{
throw new SerializationException(string.Format(CultureInfo.InvariantCulture, "Property delimiter: {0} exists in property name: {1}. Object Path: {2}", propertyNameDelimiter, propertyInfo.Name, objectPath));
}
return(Flatten(propertyDictionary, propertyInfo.GetValue(current, null), string.IsNullOrWhiteSpace(objectPath) ? propertyInfo.Name : (objectPath + propertyNameDelimiter + propertyInfo.Name), antecedents, entityPropertyConverterOptions, operationContext));
});
if (flag)
{
antecedents.Remove(current);
}
return(result);
}
public static T ConvertBack <T>(IDictionary <string, EntityProperty> flattenedEntityProperties, EntityPropertyConverterOptions entityPropertyConverterOptions, OperationContext operationContext)
{
if (flattenedEntityProperties == null)
{
return(default(T));
}
T seed = (T)Activator.CreateInstance(typeof(T));
return(flattenedEntityProperties.Aggregate(seed, (T current, KeyValuePair <string, EntityProperty> kvp) => (T)SetProperty(current, kvp.Key, kvp.Value.PropertyAsObject, entityPropertyConverterOptions, operationContext)));
}
private static object SetProperty(object root, string propertyPath, object propertyValue, EntityPropertyConverterOptions entityPropertyConverterOptions, OperationContext operationContext)
{
if (root == null)
{
throw new ArgumentNullException("root");
}
if (propertyPath == null)
{
throw new ArgumentNullException("propertyPath");
}
try
{
string text = (entityPropertyConverterOptions != null) ? entityPropertyConverterOptions.PropertyNameDelimiter : "_";
Stack <Tuple <object, object, PropertyInfo> > stack = new Stack <Tuple <object, object, PropertyInfo> >();
string[] array = propertyPath.Split(new string[1]
{
text
}, StringSplitOptions.RemoveEmptyEntries);
object obj = root;
bool flag = false;
for (int i = 0; i < array.Length - 1; i++)
{
PropertyInfo property = obj.GetType().GetProperty(array[i]);
object obj2 = property.GetValue(obj, null);
Type propertyType = property.PropertyType;
if (obj2 == null)
{
obj2 = Activator.CreateInstance(propertyType);
property.SetValue(obj, ChangeType(obj2, property.PropertyType), null);
}
if (flag || propertyType.IsValueType)
{
flag = true;
stack.Push(new Tuple <object, object, PropertyInfo>(obj2, obj, property));
}
obj = obj2;
}
PropertyInfo property2 = obj.GetType().GetProperty(array.Last());
property2.SetValue(obj, ChangeType(propertyValue, property2.PropertyType), null);
object propertyValue2 = obj;
while (stack.Count != 0)
{
Tuple <object, object, PropertyInfo> tuple = stack.Pop();
tuple.Item3.SetValue(tuple.Item2, ChangeType(propertyValue2, tuple.Item3.PropertyType), null);
propertyValue2 = tuple.Item2;
}
return(root);
}
catch (Exception ex)
{
Logger.LogError(operationContext, "Exception thrown while trying to set property value. Property Path: {0} Property Value: {1}. Exception Message: {2}", propertyPath, propertyValue, ex.Message);
throw;
}
}
public static TResult ConvertBack <TResult>(IDictionary <string, EntityProperty> properties, EntityPropertyConverterOptions entityPropertyConverterOptions, OperationContext operationContext)
{
return(EntityPropertyConverter.ConvertBack <TResult>(properties, entityPropertyConverterOptions, operationContext));
}
public static IDictionary <string, EntityProperty> Flatten(object entity, EntityPropertyConverterOptions entityPropertyConverterOptions, OperationContext operationContext)
{
CommonUtility.AssertNotNull("entity", entity);
return(EntityPropertyConverter.Flatten(entity, entityPropertyConverterOptions, operationContext));
}
