| | | 1 | | using System.Reflection; |
| | | 2 | | |
| | | 3 | | namespace Nabs.Reflection; |
| | | 4 | | |
| | | 5 | | public static class ReflectionExtensions |
| | | 6 | | { |
| | | 7 | | public static T CreateInstance<T>( |
| | | 8 | | this Type type, |
| | | 9 | | params object[] args) |
| | | 10 | | where T : new() |
| | | 11 | | { |
| | 1 | 12 | | var instance = Activator.CreateInstance(type, args)!; |
| | 1 | 13 | | return (T)instance; |
| | | 14 | | } |
| | | 15 | | |
| | | 16 | | public static async Task<T?> InvokeMethodAsync<T>(this Type type, |
| | | 17 | | string methodName, |
| | | 18 | | object obj, |
| | | 19 | | BindingFlags bindingFlags = BindingFlags.Instance | BindingFlags.Public, |
| | | 20 | | params object[] parameters) |
| | | 21 | | { |
| | 1 | 22 | | var parametersTypes = Array.Empty<Type>(); |
| | 1 | 23 | | if (parameters.Length > 0) |
| | | 24 | | { |
| | 2 | 25 | | parametersTypes = parameters.Select(_ => _.GetType()).ToArray(); |
| | | 26 | | } |
| | | 27 | | |
| | 1 | 28 | | var methodInfo = type.GetMethod( |
| | 1 | 29 | | methodName, |
| | 1 | 30 | | bindingFlags, |
| | 1 | 31 | | null, |
| | 1 | 32 | | parametersTypes, |
| | 1 | 33 | | null) |
| | 1 | 34 | | ?? throw new ArgumentException($"The method, '{methodName}', could not be found or parameters did not ma |
| | | 35 | | |
| | 1 | 36 | | var task = methodInfo.Invoke(obj, parameters)!; |
| | | 37 | | |
| | 1 | 38 | | await (Task)task; |
| | | 39 | | |
| | 1 | 40 | | var resultProperty = task.GetType().GetProperty("Result")!; |
| | 1 | 41 | | var result = resultProperty.GetValue(task); |
| | 1 | 42 | | return result == null ? default : (T)result; |
| | 1 | 43 | | } |
| | | 44 | | |
| | | 45 | | public static async Task InvokeMethodAsync(this Type type, |
| | | 46 | | string methodName, |
| | | 47 | | object obj, |
| | | 48 | | BindingFlags bindingFlags = BindingFlags.Instance | BindingFlags.Public, |
| | | 49 | | params object[] parameters) |
| | | 50 | | { |
| | 1 | 51 | | var parametersTypes = parameters.Length > 0 |
| | 1 | 52 | | ? parameters.Select(_ => _.GetType()).ToArray() |
| | 1 | 53 | | : Array.Empty<Type>(); |
| | | 54 | | |
| | 1 | 55 | | var methodInfo = type.GetMethod( |
| | 1 | 56 | | methodName, |
| | 1 | 57 | | bindingFlags, |
| | 1 | 58 | | null, |
| | 1 | 59 | | parametersTypes, |
| | 1 | 60 | | null) |
| | 1 | 61 | | ?? throw new ArgumentException($"The method, '{methodName}', could not be found or parameters did not match. |
| | | 62 | | |
| | 1 | 63 | | var task = methodInfo.Invoke(obj, parameters) as Task; |
| | 1 | 64 | | await task!; |
| | 1 | 65 | | } |
| | | 66 | | } |