Initial Commit ...

2024-01-25 04:39:39 +03:30
commit c743026b3c
42 changed files with 3954 additions and 0 deletions
@@ -0,0 +1,70 @@
+using System;
+using System.Reflection;
+
+namespace xCommons.Helpers {
+    public static class XReflectionHelper {
+        public static object GetFieldValue (this object obj, string fieldName) {
+            if (obj == null)
+                throw new ArgumentNullException (nameof (obj));
+            Type objType = obj.GetType ();
+            var fieldInfo = GetFieldInfo (objType, fieldName);
+            if (fieldInfo == null)
+                throw new ArgumentOutOfRangeException (fieldName,
+                    $"Couldn't find field {fieldName} in type {objType.FullName}");
+            return fieldInfo.GetValue (obj);
+        }
+
+        public static void SetFieldValue (this object obj, string fieldName, object val) {
+            if (obj == null)
+                throw new ArgumentNullException (nameof (obj));
+            Type objType = obj.GetType ();
+            var fieldInfo = GetFieldInfo (objType, fieldName);
+            if (fieldInfo == null)
+                throw new ArgumentOutOfRangeException (fieldName,
+                    $"Couldn't find field {fieldName} in type {objType.FullName}");
+            fieldInfo.SetValue (obj, val);
+        }
+
+        private static FieldInfo GetFieldInfo (Type type, string fieldName) {
+            FieldInfo fieldInfo = null;
+            do {
+                fieldInfo = type.GetField (fieldName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
+                type = type.BaseType;
+            } while (fieldInfo == null && type != null);
+
+            return fieldInfo;
+        }
+
+        public static object GetPropertyValue (this object obj, string propertyName) {
+            if (obj == null)
+                throw new ArgumentNullException (nameof (obj));
+            Type objType = obj.GetType ();
+            var propertyInfo = GetPropertyInfo (objType, propertyName);
+            if (propertyInfo == null)
+                throw new ArgumentOutOfRangeException (propertyName,
+                    $"Couldn't find property {propertyName} in type {objType.FullName}");
+            return propertyInfo.GetValue (obj, null);
+        }
+
+        public static void SetPropertyValue (this object obj, string propertyName, object val) {
+            if (obj == null)
+                throw new ArgumentNullException (nameof (obj));
+            Type objType = obj.GetType ();
+            var propertyInfo = GetPropertyInfo (objType, propertyName);
+            if (propertyInfo == null)
+                throw new ArgumentOutOfRangeException (propertyName,
+                    $"Couldn't find property {propertyName} in type {objType.FullName}");
+            propertyInfo.SetValue (obj, val, null);
+        }
+
+        private static PropertyInfo GetPropertyInfo (Type type, string propertyName) {
+            PropertyInfo propertyInfo = null;
+            do {
+                propertyInfo = type.GetProperty (propertyName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
+                type = type.BaseType;
+            } while (propertyInfo == null && type != null);
+
+            return propertyInfo;
+        }
+    }
+}