Mercurial > hg > AnnotationManagerN4J

comparison src/main/java/de/mpiwg/itgroup/annotations/restlet/AnnotatorSearch.java @ 4:3599b29c393f

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store seems to work now :-)
author casties
date Mon, 02 Jul 2012 22:39:46 +0200
parents
children 629e15b345aa
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3:47b53ae385d1 4:3599b29c393f
1 /**
2 * Implements the "search" uri of the Annotator API.
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.restlet.data.Form;
12 import org.restlet.data.Status;
13 import org.restlet.ext.json.JsonRepresentation;
14 import org.restlet.representation.Representation;
15 import org.restlet.resource.Get;
16
17 import de.mpiwg.itgroup.annotations.Annotation;
18 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
19
20 /**
21 * Implements the "search" uri of the Annotator API. see
22 * <https://github.com/okfn/annotator/wiki/Storage>
23 *
24 * @author casties
25 *
26 */
27 public class AnnotatorSearch extends AnnotatorResourceImpl {
28
29 protected String getAllowedMethodsForHeader() {
30 return "OPTIONS,GET";
31 }
32
33 /**
34 * result for JSON content-type. optional search parameters: uri user limit
35 * offset
36 *
37 * @param entity
38 * @return
39 */
40 @Get("json")
41 public Representation doGetJSON(Representation entity) {
42 logger.debug("AnnotatorSearch doGetJSON!");
43 setCorsHeaders();
44 // TODO: what to do with authentication?
45 boolean authenticated = isAuthenticated(entity);
46 logger.debug("request authenticated=" + authenticated);
47
48 Form form = getRequest().getResourceRef().getQueryAsForm();
49 String uri = form.getFirstValue("uri");
50 String user = form.getFirstValue("user");
51
52 String limit = form.getFirstValue("limit");
53 String offset = form.getFirstValue("offset");
54
55 AnnotationStore searcher = getAnnotationStore();
56
57 JSONArray ja;
58
59 List<Annotation> annots = searcher.searchByUriUser(uri, user, limit, offset);
60
61 ja = new JSONArray();
62 for (Annotation annot : annots) {
63 JSONObject jo = createAnnotatorJson(annot);
64 if (jo != null) {
65 ja.put(createAnnotatorJson(annot));
66 } else {
67 setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error");
68 return null;
69 }
70 }
71
72 JSONObject result = new JSONObject();
73 try {
74 result.put("rows", ja);
75 result.put("total", ja.length());
76 } catch (JSONException e) {
77 e.printStackTrace();
78 setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error");
79 return null;
80 }
81
82 logger.debug("sending:");
83 logger.debug(result);
84 return new JsonRepresentation(result);
85 }
86
87 }