/// <summary>
/// 根据导入描述获,和返回类型取导出插件的值
/// </summary>
/// <param name="import">导入描述</param>
/// <returns></returns>
private static object GetExportedValue(ImportDefinitionImpl import)
{
var exports = Container.GetExports(import);
if (import.Cardinality == ImportCardinality.ZeroOrMore)
{
if (import.MemberType.IsArray || import.MemberType.IsInterface)
{
var list = (IList)Activator.CreateInstance(typeof(List <>).MakeGenericType(import.ExportedType));
foreach (var export in exports)
{
object value = ConvertExportedValue(export.Value, import.ExportedType);
if (value != null)
{
list.Add(value);
}
}
if (import.MemberType.IsArray)
{
var array = Array.CreateInstance(import.ExportedType, list.Count);
list.CopyTo(array, 0);
return(array);
}
return(list);
}
else
{
dynamic list = Activator.CreateInstance(import.MemberType);
foreach (var export in exports)
{
dynamic value = ConvertExportedValue(export.Value, import.ExportedType);
if (value != null)
{
list.Add(value);
}
}
return(list);
}
}
return(ConvertExportedValue(exports.FirstOrDefault()?.Value, import.ExportedType));
}
/// <summary>
/// 根据导入描述获,和返回类型取导出插件的值
/// </summary>
/// <param name="import"> 导入描述 </param>
/// <returns> </returns>
private static object GetExportedValue(ImportDefinitionImpl import)
{
var exports = Container.GetExports(import);
if (import.Cardinality == ImportCardinality.ZeroOrMore)
{
if (import.MemberType.IsArray || import.MemberType.IsInterface)
{
var list = (IList)Activator.CreateInstance(typeof(List<>).MakeGenericType(import.ExportedType));
foreach (var export in exports)
{
var value = ConvertExportedValue(() => export.Value, import.ExportedType);
if (value != null)
{
list.Add(value);
}
}
if (import.MemberType.IsArray)
{
var array = Array.CreateInstance(import.ExportedType, list.Count);
list.CopyTo(array, 0);
return array;
}
return list;
}
else
{
dynamic list = Activator.CreateInstance(import.MemberType);
foreach (var export in exports)
{
dynamic value = ConvertExportedValue(() => export.Value, import.ExportedType);
if (value != null)
{
list.Add(value);
}
}
return list;
}
}
return ConvertExportedValue(() => exports.FirstOrDefault()?.Value, import.ExportedType);
}
