diff -r aa0e42229784 -r b9f1bd52df9a src/js/serializers/ldt_annotate.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/js/serializers/ldt_annotate.js	Tue Jun 05 20:55:42 2012 +0200
@@ -0,0 +1,85 @@
+/* Used when Putting annotations on the platform */
+
+if (typeof IriSP.serializers === "undefined") {
+    IriSP.serializers = {}
+}
+
+IriSP.serializers.ldt_annotate = {
+    types :  {
+        annotation : {
+            serialized_name : "annotations",
+            serializer : function(_data, _source) {
+                return {
+                    begin: _data.begin.milliseconds,
+                    end: _data.end.milliseconds,
+                    content: {
+                        data: _data.description
+                    },
+                    tags: _data.getTagTexts(),
+                    media: _source.unNamespace(_data.getMedia().id),
+                    title: _data.title,
+                    type_title: _data.getAnnotationType().title,
+                    type: _source.unNamespace(_data.getAnnotationType().id)
+                }
+            }
+        }
+    },
+    serialize : function(_source) {
+        var _res = {},
+            _this = this;
+        _source.forEach(function(_list, _typename) {
+            if (typeof _this.types[_typename] !== "undefined") {
+                _res[_this.types[_typename].serialized_name] = _list.map(function(_el) {
+                    return _this.types[_typename].serializer(_el, _source);
+                });
+            }
+        });
+        _res.meta = {
+            creator: _source.creator,
+            created: _source.created
+        }
+        return JSON.stringify(_res);
+    },
+    deSerialize : function(_data, _source) {
+        if (typeof _data == "string") {
+            _data = JSON.parse(_data);
+        }
+        _source.addList('tag', new IriSP.Model.List(_source.directory));
+        _source.addList('annotationType', new IriSP.Model.List(_source.directory));
+        _source.addList('annotation', new IriSP.Model.List(_source.directory));
+        if (typeof _data.annotations == "object" && _data.annotations && _data.annotations.length) {
+            var _anndata = _data.annotations[0],
+                _ann = new IriSP.Model.Annotation(_anndata.id, _source);
+            _ann.title = _anndata.content.title || "";
+            _ann.description = _anndata.content.data || "";
+            _ann.created = new Date(_data.meta.created);
+            _ann.setMedia(_anndata.media, _source);
+            var _anntypes = _source.getAnnotationTypes(true).searchByTitle(_anndata.type_title);
+            if (_anntypes.length) {
+                var _anntype = _anntypes[0];
+            } else {
+                var _anntype = new IriSP.Model.AnnotationType(_anndata.type, _source);
+                _anntype.title = _anndata.type_title;
+                _source.getAnnotationTypes().push(_anntype);
+            }
+            _ann.setAnnotationType(_anntype.id);
+            var _tagIds = IriSP._(_anndata.tags).map(function(_title) {
+                var _tags = _source.getTags(true).searchByTitle(_title);
+                if (_tags.length) {
+                    var _tag = _tags[0];
+                }
+                else {
+                    _tag = new IriSP.Model.Tag(_title.replace(/\W/g,'_'),_source);
+                    _tag.title = _title;
+                    _source.getTags().push(_tag);
+                }
+                return _tag.id;
+            });
+            _ann.setTags(_tagIds);
+            _ann.setBegin(_anndata.begin);
+            _ann.setEnd(_anndata.end);
+            _ann.creator = _data.meta.creator;
+            _source.getAnnotations().push(_ann);
+        }
+    }
+}
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