--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/mpiwg/itgroup/annotations/restlet/AnnotatorTags.java	Tue Sep 25 09:32:56 2012 +0200
@@ -0,0 +1,112 @@
+/**
+ * ReST API for accessing groups in the Annotation store.
+ */
+package de.mpiwg.itgroup.annotations.restlet;
+
+import java.util.List;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.neo4j.graphdb.Node;
+import org.restlet.data.Form;
+import org.restlet.data.Status;
+import org.restlet.ext.json.JsonRepresentation;
+import org.restlet.representation.Representation;
+import org.restlet.resource.Get;
+
+import de.mpiwg.itgroup.annotations.Actor;
+import de.mpiwg.itgroup.annotations.Group;
+import de.mpiwg.itgroup.annotations.NS;
+import de.mpiwg.itgroup.annotations.Tag;
+import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
+import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore.NodeTypes;
+
+
+/**
+ * API for accessing tags in the Annotation store.
+ * 
+ * @author dwinter
+ *
+ */
+public class AnnotatorTags extends AnnotatorResourceImpl {
+    protected String getAllowedMethodsForHeader() {
+        return "OPTIONS,GET";
+    }
+
+    /**
+     * GET with JSON content-type.
+     * Parameters: 
+     *   user: short user name
+     *   uri: user uri
+     *   
+     * @param entity
+     * @return
+     */
+    @Get("json")
+    public Representation doGetJSON(Representation entity) {
+        logger.debug("AnnotatorGroups doGetJSON!");
+        setCorsHeaders();
+       
+        String jsonId = (String) getRequest().getAttributes().get("id");
+        //String id = decodeJsonId(jsonId);
+        String id = jsonId;
+        logger.debug("annotation-id=" + id);
+
+        if (id==null){
+        return getAllTags();
+        } else {
+
+        	return getTag(id);
+        }
+    }
+    
+    protected Representation getTag(String id){
+    	  AnnotationStore store = getAnnotationStore();
+    	  String tagUri=NS.MPIWG_TAGS_URL+id;
+          Node tagNode = store.getTagNodeByUri(tagUri);
+          Tag tag = store.createTagFromNode(tagNode);
+          JSONObject jo = new JSONObject();
+          try {
+              jo.put("id", tag.getId());
+              jo.put("name", tag.getName());
+              jo.put("uri", tag.getUri());
+          } catch (JSONException e) {
+          }
+          
+          return new JsonRepresentation(jo);
+    }
+	protected Representation getAllTags() {
+		JSONArray results = new JSONArray();
+        AnnotationStore store = getAnnotationStore();
+        
+       
+            List<Tag> tags = store.getTags(null, null);
+            for (Tag tag : tags) {
+                JSONObject jo = new JSONObject();
+                try {
+                    jo.put("id", tag.getId());
+                    jo.put("name", tag.getName());
+                    jo.put("uri", tag.getUri());
+                } catch (JSONException e) {
+                }
+                results.put(jo);
+            }
+        
+        // assemble result object
+        JSONObject result = new JSONObject();
+        try {
+            result.put("rows", results);
+            result.put("total", results.length());
+        } catch (JSONException e) {
+            setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error");
+            return null;
+        }
+        logger.debug("sending:");
+        logger.debug(result);
+        return new JsonRepresentation(result);
+	}        	
+        
+
+    
+}