Refactor packages to have more idiomatic code base

http/handler/xml_response.go

@@ -0,0 +1,23 @@
+// Copyright 2017 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package handler
+
+import (
+	"fmt"
+	"net/http"
+)
+
+// XMLResponse handles XML responses.
+type XMLResponse struct {
+	writer  http.ResponseWriter
+	request *http.Request
+}
+
+// Download force the download of a XML document.
+func (x *XMLResponse) Download(filename, data string) {
+	x.writer.Header().Set("Content-Type", "text/xml")
+	x.writer.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", filename))
+	x.writer.Write([]byte(data))
+}