replace all common error responses with the new Context.StopWithError

Former-commit-id: 99b08a0b5564ef640456db12674cb37721f73ae3

_examples/http_request/read-custom-per-type/main.go

@@ -56,8 +56,7 @@ func handler(ctx iris.Context) {
 	//
 
 	if err := ctx.UnmarshalBody(&c, nil); err != nil {
-		ctx.StatusCode(iris.StatusBadRequest)
-		ctx.WriteString(err.Error())
+		ctx.StopWithError(iris.StatusBadRequest, err)
 		return
 	}
 

_examples/http_request/read-custom-via-unmarshaler/main.go

@@ -64,8 +64,7 @@ func handler(ctx iris.Context) {
 	//
 
 	if err := ctx.UnmarshalBody(&c, iris.UnmarshalerFunc(yaml.Unmarshal)); err != nil {
-		ctx.StatusCode(iris.StatusBadRequest)
-		ctx.WriteString(err.Error())
+		ctx.StopWithError(iris.StatusBadRequest, err)
 		return
 	}
 

_examples/http_request/read-form/main.go

@@ -19,8 +19,8 @@ func main() {
 
 	app.Get("/", func(ctx iris.Context) {
 		if err := ctx.View("form.html"); err != nil {
-			ctx.StatusCode(iris.StatusInternalServerError)
-			ctx.WriteString(err.Error())
+			ctx.StopWithError(iris.StatusInternalServerError, err)
+			return
 		}
 	})
 
@@ -28,8 +28,8 @@ func main() {
 		visitor := Visitor{}
 		err := ctx.ReadForm(&visitor)
 		if err != nil && !iris.IsErrPath(err) /* see: https://github.com/kataras/iris/issues/1157 */ {
-			ctx.StatusCode(iris.StatusInternalServerError)
-			ctx.WriteString(err.Error())
+			ctx.StopWithError(iris.StatusInternalServerError, err)
+			return
 		}
 
 		ctx.Writef("Visitor: %#v", visitor)

_examples/http_request/read-json/main.go

@@ -14,8 +14,7 @@ func MyHandler(ctx iris.Context) {
 	var c Company
 
 	if err := ctx.ReadJSON(&c); err != nil {
-		ctx.StatusCode(iris.StatusBadRequest)
-		ctx.WriteString(err.Error())
+		ctx.StopWithError(iris.StatusBadRequest, err)
 		return
 	}
 
@@ -33,8 +32,7 @@ func MyHandler2(ctx iris.Context) {
 	var persons []Person
 	err := ctx.ReadJSON(&persons)
 	if err != nil {
-		ctx.StatusCode(iris.StatusBadRequest)
-		ctx.WriteString(err.Error())
+		ctx.StopWithError(iris.StatusBadRequest, err)
 		return
 	}
 

_examples/http_request/read-many/main.go

@@ -11,8 +11,7 @@ func main() {
 		// body, err := ioutil.ReadAll(ctx.Request().Body) once or
 		body, err := ctx.GetBody() // as many times as you need.
 		if err != nil {
-			ctx.StatusCode(iris.StatusInternalServerError)
-			ctx.WriteString(err.Error())
+			ctx.StopWithError(iris.StatusInternalServerError, err)
 			return
 		}
 

_examples/http_request/read-msgpack/main.go

@@ -15,8 +15,7 @@ func readMsgPack(ctx iris.Context) {
 	var u User
 	err := ctx.ReadMsgPack(&u)
 	if err != nil {
-		ctx.StatusCode(iris.StatusBadRequest)
-		ctx.WriteString(err.Error())
+		ctx.StopWithError(iris.StatusBadRequest, err)
 		return
 	}
 

_examples/http_request/read-query/main.go

@@ -17,8 +17,8 @@ func main() {
 		var t MyType
 		err := ctx.ReadQuery(&t)
 		if err != nil && !iris.IsErrPath(err) {
-			ctx.StatusCode(iris.StatusInternalServerError)
-			ctx.WriteString(err.Error())
+			ctx.StopWithError(iris.StatusInternalServerError, err)
+			return
 		}
 
 		ctx.Writef("MyType: %#v", t)

_examples/http_request/read-xml/main.go

@@ -41,8 +41,7 @@ type person struct {
 func handler(ctx iris.Context) {
 	var p person
 	if err := ctx.ReadXML(&p); err != nil {
-		ctx.StatusCode(iris.StatusBadRequest)
-		ctx.WriteString(err.Error())
+		ctx.StopWithError(iris.StatusBadRequest, err)
 		return
 	}
 

_examples/http_request/read-yaml/main.go

@@ -22,8 +22,7 @@ type product struct {
 func handler(ctx iris.Context) {
 	var p product
 	if err := ctx.ReadYAML(&p); err != nil {
-		ctx.StatusCode(iris.StatusBadRequest)
-		ctx.WriteString(err.Error())
+		ctx.StopWithError(iris.StatusBadRequest, err)
 		return
 	}
 

_examples/http_request/upload-files/main.go

@@ -52,8 +52,7 @@ func main() {
 
 		err := ctx.Request().ParseMultipartForm(maxSize)
 		if err != nil {
-			ctx.StatusCode(iris.StatusInternalServerError)
-			ctx.WriteString(err.Error())
+			ctx.StopWithError(iris.StatusInternalServerError, err)
 			return
 		}