X-Git-Url: https://gerrit.akraino.org/r/gitweb?a=blobdiff_plain;f=src%2Ffoundation%2Fapi%2Frevel%2Finvoker.go;fp=src%2Ffoundation%2Fapi%2Frevel%2Finvoker.go;h=24d40fa12902b83884676bb04639d9b1f952ba93;hb=1d1ee6961c93781e1187d8c7faa868da6b2f01f4;hp=0000000000000000000000000000000000000000;hpb=56dd5e0f2164b37b40ac1daa188ccc618b4cbd19;p=iec.git

diff --git a/src/foundation/api/revel/invoker.go b/src/foundation/api/revel/invoker.go
new file mode 100644
index 0000000..24d40fa
--- /dev/null
+++ b/src/foundation/api/revel/invoker.go
@@ -0,0 +1,50 @@
+// Copyright (c) 2012-2016 The Revel Framework Authors, All rights reserved.
+// Revel Framework source code and usage is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+package revel
+
+import (
+	"io"
+	"reflect"
+)
+
+var (
+	controllerPtrType = reflect.TypeOf(&Controller{})
+	websocketType     = reflect.TypeOf((*ServerWebSocket)(nil)).Elem()
+)
+
+func ActionInvoker(c *Controller, _ []Filter) {
+	// Instantiate the method.
+	methodValue := reflect.ValueOf(c.AppController).MethodByName(c.MethodType.Name)
+
+	// Collect the values for the method's arguments.
+	var methodArgs []reflect.Value
+	for _, arg := range c.MethodType.Args {
+		// If they accept a websocket connection, treat that arg specially.
+		var boundArg reflect.Value
+		if arg.Type.Implements(websocketType) {
+			boundArg = reflect.ValueOf(c.Request.WebSocket)
+		} else {
+			boundArg = Bind(c.Params, arg.Name, arg.Type)
+			// #756 - If the argument is a closer, defer a Close call,
+			// so we don't risk on leaks.
+			if closer, ok := boundArg.Interface().(io.Closer); ok {
+				defer func() {
+					_ = closer.Close()
+				}()
+			}
+		}
+		methodArgs = append(methodArgs, boundArg)
+	}
+
+	var resultValue reflect.Value
+	if methodValue.Type().IsVariadic() {
+		resultValue = methodValue.CallSlice(methodArgs)[0]
+	} else {
+		resultValue = methodValue.Call(methodArgs)[0]
+	}
+	if resultValue.Kind() == reflect.Interface && !resultValue.IsNil() {
+		c.Result = resultValue.Interface().(Result)
+	}
+}