Mercurial > hg > AnnotationManagerN4J

comparison src/main/java/de/mpiwg/itgroup/annotations/restlet/AnnotatorTags.java @ 28:f4ed2ed33e5b

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Restinterface zur Anzeige von Tags hinzugefuegt-
author dwinter
date Tue, 25 Sep 2012 09:32:56 +0200
parents
children 64aa756c60cc
comparison
equal deleted inserted replaced
24:e208a7b1a37a 28:f4ed2ed33e5b
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.NS;
21 import de.mpiwg.itgroup.annotations.Tag;
22 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
23 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore.NodeTypes;
24
25
26 /**
27 * API for accessing tags in the Annotation store.
28 *
29 * @author dwinter
30 *
31 */
32 public class AnnotatorTags extends AnnotatorResourceImpl {
33 protected String getAllowedMethodsForHeader() {
34 return "OPTIONS,GET";
35 }
36
37 /**
38 * GET with JSON content-type.
39 * Parameters:
40 * user: short user name
41 * uri: user uri
42 *
43 * @param entity
44 * @return
45 */
46 @Get("json")
47 public Representation doGetJSON(Representation entity) {
48 logger.debug("AnnotatorGroups doGetJSON!");
49 setCorsHeaders();
50
51 String jsonId = (String) getRequest().getAttributes().get("id");
52 //String id = decodeJsonId(jsonId);
53 String id = jsonId;
54 logger.debug("annotation-id=" + id);
55
56 if (id==null){
57 return getAllTags();
58 } else {
59
60 return getTag(id);
61 }
62 }
63
64 protected Representation getTag(String id){
65 AnnotationStore store = getAnnotationStore();
66 String tagUri=NS.MPIWG_TAGS_URL+id;
67 Node tagNode = store.getTagNodeByUri(tagUri);
68 Tag tag = store.createTagFromNode(tagNode);
69 JSONObject jo = new JSONObject();
70 try {
71 jo.put("id", tag.getId());
72 jo.put("name", tag.getName());
73 jo.put("uri", tag.getUri());
74 } catch (JSONException e) {
75 }
76
77 return new JsonRepresentation(jo);
78 }
79 protected Representation getAllTags() {
80 JSONArray results = new JSONArray();
81 AnnotationStore store = getAnnotationStore();
82
83
84 List<Tag> tags = store.getTags(null, null);
85 for (Tag tag : tags) {
86 JSONObject jo = new JSONObject();
87 try {
88 jo.put("id", tag.getId());
89 jo.put("name", tag.getName());
90 jo.put("uri", tag.getUri());
91 } catch (JSONException e) {
92 }
93 results.put(jo);
94 }
95
96 // assemble result object
97 JSONObject result = new JSONObject();
98 try {
99 result.put("rows", results);
100 result.put("total", results.length());
101 } catch (JSONException e) {
102 setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error");
103 return null;
104 }
105 logger.debug("sending:");
106 logger.debug(result);
107 return new JsonRepresentation(result);
108 }
109
110
111
112 }