diff --git a/src/File.cpp b/src/File.cpp
new file mode 100644
index 0000000..6bd7b8d
--- /dev/null
+++ b/src/File.cpp
@@ -0,0 +1,39 @@
+/*
+ * File.cpp
+ *
+ *  Created on: 17.10.2015
+ *      Author: jdi
+ */
+
+#include <iostream>
+#include "File.h"
+
+std::string File::read(std::string path) {
+	if (!fs::exists(home)) {
+		fs::create_directory(home);
+	}
+
+	fs::ifstream in((home / path), std::ios::in | std::ios::binary);
+	if (in) {
+		std::string contents;
+		in.seekg(0, std::ios::end);
+		contents.resize(in.tellg());
+		in.seekg(0, std::ios::beg);
+		in.read(&contents[0], contents.size());
+		in.close();
+		return (contents);
+	}
+	return "";
+}
+
+int File::write(std::string path, std::string content) {
+	if (!fs::exists(home)) {
+		fs::create_directory(home);
+	}
+	fs::path p = home / path;
+	fs::ofstream file(p);
+	file << content;
+	file.close();
+	return 0;
+}
+
diff --git a/src/File.h b/src/File.h
new file mode 100644
index 0000000..955a2bd
--- /dev/null
+++ b/src/File.h
@@ -0,0 +1,28 @@
+/*
+ * File.h
+ *
+ *  Created on: 17.10.2015
+ *      Author: jdi
+ */
+
+#ifndef FILE_H_
+#define FILE_H_
+
+#include <boost/filesystem.hpp>
+#include <boost/filesystem/fstream.hpp>
+namespace fs = boost::filesystem;
+
+#include <string>
+
+class File {
+public:
+	File() {
+		home = fs::path(getenv("HOME")) / ".smrtlink";
+	}
+	std::string read(std::string);
+	int write(std::string, std::string);
+private:
+	fs::path home;
+};
+
+#endif /* FILE_H_ */
diff --git a/src/jsonNode.cpp b/src/jsonNode.cpp
new file mode 100644
index 0000000..a617402
--- /dev/null
+++ b/src/jsonNode.cpp
@@ -0,0 +1,51 @@
+/*
+ * jsonNode.cpp
+ *
+ *  Created on: 17.10.2015
+ *      Author: jdi
+ */
+
+#include "jsonNode.h"
+
+jsonNode::jsonNode(const std::string &x, doc &root) {
+	super(rapidjson::kStringType);
+	char buffer[30];
+	int len = sprintf(buffer, "%s", x.c_str());
+	this->SetString(buffer, static_cast<size_t>(len), root.GetAllocator());
+	memset(buffer, 0, sizeof(buffer));
+}
+
+jsonNode::jsonNode(const ipAddr &x, doc &root) {
+	super(rapidjson::kStringType);
+	char buffer[16];
+	int len = sprintf(buffer, "%d.%d.%d.%d", x[0], x[1],
+			x[2], x[3]);
+	this->SetString(buffer, static_cast<size_t>(len), root.GetAllocator());
+	memset(buffer, 0, sizeof(buffer));
+}
+
+jsonNode::jsonNode(const macAddr &x, doc &root) {
+	super(rapidjson::kStringType);
+	char buffer[18];
+	int len = sprintf(buffer, "%02x:%02x:%02x:%02x:%02x:%02x", x[0], x[1],
+			x[2], x[3], x[4], x[5]);
+	this->SetString(buffer, static_cast<size_t>(len), root.GetAllocator());
+	memset(buffer, 0, sizeof(buffer));
+}
+
+jsonNode::jsonNode(const vlan &x, doc &root) {
+	super(rapidjson::kObjectType);
+	AddMember("id", x.vlan_id, root.GetAllocator());
+	AddMember("name", jsonNode(x.name, root), root.GetAllocator());
+	AddMember("tagged-members", jsonNode(x.tagged_member, root),
+			root.GetAllocator());
+	AddMember("untagged-members", jsonNode(x.untagged_member, root),
+			root.GetAllocator());
+}
+
+jsonNode::jsonNode(const port &x, doc &root) {
+	super(rapidjson::kObjectType);
+	AddMember("id", x.id, root.GetAllocator());
+	AddMember("status", x.status, root.GetAllocator());
+	AddMember("pvid", x.pvid, root.GetAllocator());
+}
diff --git a/src/jsonNode.h b/src/jsonNode.h
new file mode 100644
index 0000000..9fccbf5
--- /dev/null
+++ b/src/jsonNode.h
@@ -0,0 +1,38 @@
+/*
+ * jsonNode.h
+ *
+ *  Created on: 17.10.2015
+ *      Author: jdi
+ */
+
+#ifndef JSONNODE_H_
+#define JSONNODE_H_
+
+#include "../include/rapidjson/document.h"
+#include "../include/rapidjson/prettywriter.h"
+#include "Switch.h"
+
+class jsonNode: public rapidjson::Value {
+	typedef rapidjson::Value super;
+	typedef rapidjson::Document doc;
+public:
+	jsonNode(const std::string&, doc&);
+	jsonNode(const macAddr&, doc&);
+	jsonNode(const ipAddr&, doc&);
+	jsonNode(const vlan&, doc&);
+	jsonNode(const port&, doc&);
+
+	template<class T>
+	jsonNode(const T &templ_arg, doc &root){
+		std::cerr<<"Not serializable Type: "<<typeid(T).name()<<"\n";
+	}
+
+	template<class T>
+	jsonNode(const std::vector<T> &x, doc &root) {
+		super(rapidjson::kArrayType);
+		for (T y : x)
+			PushBack(jsonNode(y, root), root.GetAllocator());
+	}
+};
+
+#endif /* JSONNODE_H_ */