Mercurial > hg > AnnotationManagerN4J

comparison src/main/java/de/mpiwg/itgroup/annotations/restlet/AnnotatorGroups.java @ 15:58357a4b86de

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ASSIGNED - # 249: Annotations shared in groups https://it-dev.mpiwg-berlin.mpg.de/tracs/mpdl-project-software/ticket/249
author casties
date Tue, 28 Aug 2012 20:23:12 +0200
parents
children 2b1e6df5e21a
comparison
equal deleted inserted replaced
14:629e15b345aa 15:58357a4b86de
1 /**
2 * ReST API for accessing groups in the Annotation store.
3 */
4 package de.mpiwg.itgroup.annotations.restlet;
5
6 import java.util.List;
7
8 import org.json.JSONArray;
9 import org.json.JSONException;
10 import org.json.JSONObject;
11 import org.neo4j.graphdb.Node;
12 import org.restlet.data.Form;
13 import org.restlet.data.Status;
14 import org.restlet.ext.json.JsonRepresentation;
15 import org.restlet.representation.Representation;
16 import org.restlet.resource.Get;
17
18 import de.mpiwg.itgroup.annotations.Actor;
19 import de.mpiwg.itgroup.annotations.Group;
20 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
21
22
23 /**
24 * API for accessing groups in the Annotation store.
25 *
26 * @author casties
27 *
28 */
29 public class AnnotatorGroups extends AnnotatorResourceImpl {
30 protected String getAllowedMethodsForHeader() {
31 return "OPTIONS,GET";
32 }
33
34 /**
35 * GET with JSON content-type.
36 * Parameters:
37 * user: short user name
38 * uri: user uri
39 *
40 * @param entity
41 * @return
42 */
43 @Get("json")
44 public Representation doGetJSON(Representation entity) {
45 logger.debug("AnnotatorGroups doGetJSON!");
46 setCorsHeaders();
47 Form form = getRequest().getResourceRef().getQueryAsForm();
48 String user = form.getFirstValue("user");
49 String uri = form.getFirstValue("uri");
50 if (uri == null || uri.isEmpty()) {
51 // get uri from user-id
52 uri = Actor.getUriFromId(user, false);
53 }
54 JSONArray results = new JSONArray();
55 AnnotationStore store = getAnnotationStore();
56 Node person = store.getPersonNodeByUri(uri);
57 if (person != null) {
58 List<Group> groups = store.getGroupsForPersonNode(person);
59 for (Group group : groups) {
60 JSONObject jo = new JSONObject();
61 try {
62 jo.put("id", group.getId());
63 jo.put("name", group.getName());
64 jo.put("uri", group.getUriString());
65 } catch (JSONException e) {
66 }
67 results.put(jo);
68 }
69 }
70 // assemble result object
71 JSONObject result = new JSONObject();
72 try {
73 result.put("rows", results);
74 result.put("total", results.length());
75 } catch (JSONException e) {
76 setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error");
77 return null;
78 }
79 logger.debug("sending:");
80 logger.debug(result);
81 return new JsonRepresentation(result);
82
83 }
84 }