Function defaultResultHandler

hero/func_result.go:16–48

(ctx *context.Context, v interface{})

type ResultHandler func(ctx *context.Context, v interface{}) error

func defaultResultHandler(ctx *context.Context, v interface{}) error {
	if p, ok := v.(PreflightResult); ok {
		if err := p.Preflight(ctx); err != nil {
			return err
		}
	}

	if d, ok := v.(Result); ok {
		d.Dispatch(ctx)
		return nil
	}

	switch context.TrimHeaderValue(ctx.GetContentType()) {
	case context.ContentXMLHeaderValue, context.ContentXMLUnreadableHeaderValue:
		return ctx.XML(v)
	case context.ContentYAMLHeaderValue:
		return ctx.YAML(v)
	case context.ContentProtobufHeaderValue:
		msg, ok := v.(proto.Message)
		if !ok {
			return context.ErrContentNotSupported
		}

		_, err := ctx.Protobuf(msg)
		return err
	case context.ContentMsgPackHeaderValue, context.ContentMsgPack2HeaderValue:
		_, err := ctx.MsgPack(v)
		return err
	default:
		// otherwise default to JSON.
		return ctx.JSON(v)
	}
}

// Result is a response dispatcher.
// All types that complete this interface