/// <summary>
/// Set value to a property using property path
/// </summary>
/// <typeparam name="TObject"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="object"></param>
/// <param name="propertyPath"></param>
/// <param name="value"></param>
public static void SetPropertyValue <TObject, TValue>(this TObject @object, string propertyPath, TValue value)
{
if (string.IsNullOrWhiteSpace(propertyPath))
{
throw new ArgumentException(nameof(propertyPath));
}
string[] pathParts = propertyPath.Split(new[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
object parent = @object;
for (int i = 0; i < pathParts.Length; i++)
{
string pathPart = pathParts[i];
if (parent == null)
{
break;
}
Type parentType = parent.GetType();
PropertyInfo prop = parentType.GetProperty(pathPart);
if (prop == null)
{
break;
}
if (i + 1 >= pathParts.Length)
{
MappingExpress.SetValue(parent, prop, value);
break;
}
parent = prop.GetValue(parent, null);
}
}
/// <summary>
/// Set value to a property using lamda expression
/// </summary>
/// <typeparam name="TObject"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="object"></param>
/// <param name="expression"></param>
/// <param name="value"></param>
/// Source: http://stackoverflow.com/questions/9601707/how-to-set-property-value-using-expressions
public static void SetPropertyValue <TObject, TValue>(this TObject @object, Expression <Func <TObject, TValue> > expression, TValue value)
{
if (expression.Body.NodeType == ExpressionType.Convert)
{
UnaryExpression unaryExpression = expression.Body as UnaryExpression;
if (unaryExpression != null)
{
MemberExpression memberSelectorExpression = unaryExpression.Operand as MemberExpression;
if (memberSelectorExpression != null)
{
PropertyInfo property = memberSelectorExpression.Member as PropertyInfo;
if (property != null)
{
MappingExpress.SetValue(@object, property, value);
}
}
}
}
else
{
MemberExpression memberSelectorExpression = expression.Body as MemberExpression;
if (memberSelectorExpression != null)
{
@object.SetPropertyValue(memberSelectorExpression, value);
}
}
}
private static void SetPropertyValue <TObject, TValue>(this TObject @object, MemberExpression expression, TValue value)
{
IList <Expression> hierarchy = BuildExpressionHierarchy(expression);
object parentObject = @object;
foreach (Expression subExpression in hierarchy)
{
if (subExpression.NodeType == ExpressionType.MemberAccess)
{
PropertyInfo propertyInfo = ((MemberExpression)subExpression).Member as PropertyInfo;
if (propertyInfo == null || parentObject == null)
{
break;
}
if (subExpression == expression)
{
MappingExpress.SetValue(@object, propertyInfo, value);
continue;
}
parentObject = propertyInfo.GetValue(parentObject);
if (parentObject == null)
{
parentObject = InitObject(propertyInfo.PropertyType);
}
}
if (subExpression.NodeType == ExpressionType.Call)
{
MethodInfo methodInfo = ((MethodCallExpression)subExpression).Method;
if (methodInfo.ReturnType == typeof(void))
{
break;
}
object[] arguments = GetExpressionArguments((MethodCallExpression)subExpression);
parentObject = methodInfo.Invoke(@parentObject, arguments);
}
}
}
private static object MapClass(object source, Type sourceType, Type resultType, IObjectMappingResolver customMappings, ObjectMappingConflictResolution conflictResolution)
{
if (sourceType.IsCollection())
{
if (conflictResolution == ObjectMappingConflictResolution.Exception)
{
throw new ClassMappingException(sourceType, resultType);
}
return(null);
}
object result = Activator.CreateInstance(resultType);
PropertyInfo[] sourceProperties = sourceType.GetProperties();
PropertyInfo[] resultProperties = resultType.GetProperties();
IClassMappingResolver mappingConfig = customMappings.GetConfiuration(sourceType, resultType);
foreach (PropertyInfo sourceProperty in sourceProperties)
{
string targetName = sourceProperty.Name;
if (mappingConfig != null)
{
string remappedName = mappingConfig.GetTargetName(sourceProperty.Name);
if (remappedName != null)
{
targetName = remappedName;
}
}
PropertyInfo resultProperty = resultProperties.FirstOrDefault(x => { return(x.Name == targetName); });
if (resultProperty == null)
{
continue;
}
if (!sourceProperty.CanRead)
{
continue;
}
if (!resultProperty.CanWrite)
{
continue;
}
object value = sourceProperty.GetValue(source, null);
if (MappingExpress.CanSetValue(sourceProperty, resultProperty))
{
MappingExpress.SetValue(result, resultProperty, value);
}
else
{
Type type = sourceProperty.PropertyType;
if (type.IsInterface || type.IsClass)
{
MapProperty(value, result, sourceProperty, resultProperty, customMappings, conflictResolution);
}
else if (conflictResolution == ObjectMappingConflictResolution.Exception)
{
throw new PropertyMappingException(sourceProperty, resultProperty);
}
}
}
return(result);
}
