diff -r 8e67c9f6da51 -r 2ab67fa1e78d server/src/main/webapp/js/json-serializer.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/src/main/webapp/js/json-serializer.js	Thu Aug 16 14:14:09 2012 +0200
@@ -0,0 +1,115 @@
+Rkns.Serializers.BasicJson = Rkns.Utils.inherit(Rkns.Serializers._Base);
+
+Rkns.Serializers.BasicJson.prototype._init = function() {
+    this.load(this._project._opts.url);
+    var _this = this;
+    this.save = Rkns._.throttle(function() {
+        _this._save.apply(this, Array.prototype.slice.call(arguments,0));
+    }, 2000);
+}
+
+Rkns.Serializers.BasicJson.prototype.load = function(_url) {
+    var _this = this;
+    Rkns.$.getJSON(_url, function(_data) {
+        _this.deserialize(_data);
+        _this.handleCallbacks();
+    });
+}
+
+Rkns.Serializers.BasicJson.prototype.deserialize = function(_serializedData) {
+    if (typeof _serializedData === "string") {
+        _serializedData = JSON.parse(_serializedData);
+    }
+    var _proj = this._project;
+    _proj.title = _serializedData.title || "(untitled project)";
+    if (typeof _serializedData.users === "object" && _serializedData.users) {
+        Rkns._(_serializedData.users).each(function(_data) {
+            var _userData = {
+                id: _data.id,
+                title: _data.title,
+                uri: _data.uri,
+                color: _data.color
+            };
+            _proj.addUser(_userData);
+        });
+    }
+    if (typeof _serializedData.nodes === "object" && _serializedData.nodes) {
+        Rkns._(_serializedData.nodes).each(function(_data) {
+            var _nodeData = {
+                id: _data.id,
+                title: _data.title,
+                description: _data.description,
+                uri: _data.uri,
+                created_by: _data.created_by,
+                position: {
+                    x: _data.position.x,
+                    y: _data.position.y
+                }
+            };
+            _proj.addNode(_nodeData);
+        });
+    }
+    if (typeof _serializedData.edges === "object" && _serializedData.edges) {
+        Rkns._(_serializedData.edges).each(function(_data) {
+            var _edgeData = {
+                id: _data.id,
+                title: _data.title,
+                uri: _data.uri,
+                from: _data.from,
+                to: _data.to,
+                created_by: _data.created_by
+            };
+            _proj.addEdge(_edgeData);
+        });
+    }
+}
+
+Rkns.Serializers.BasicJson.prototype.serialize = function() {
+    var _res = {
+        title: this._project.title,
+        users: this._project.users.map(function(_user) {
+            return {
+                id: _user.id,
+                title: _user.title,
+                uri: _user.uri,
+                color: _user.color
+            }
+        }),
+        nodes: this._project.nodes.map(function(_node) {
+            return {
+                id: _node.id,
+                title: _node.title,
+                uri: _node.uri,
+                created_by: _node.created_by.id,
+                position: {
+                    x: _node.position.x,
+                    y: _node.position.y
+                }
+            }
+        }),
+        edges: this._project.edges.map(function(_node) {
+            return {
+                id: _node.id,
+                title: _node.title,
+                description: _node.description,
+                uri: _node.uri,
+                from: _node.from.id,
+                to: _node.to.id,
+                created_by: _node.created_by.id
+            }
+        })
+    }
+    return _res;
+}
+
+Rkns.Serializers.BasicJson.prototype._save = function() {
+    var _data = JSON.stringify(this.serialize());
+    Rkns.$.ajax({
+    	type: 'PUT',
+    	url: this._project._opts.url,
+    	contentType: "application/json",
+    	data: _data,
+    	success: function(data, textStatus, jqXHR) {
+        }
+    });
+};