Mercurial > hg > AnnotationManagerN4J

comparison src/main/java/de/mpiwg/itgroup/annotations/restlet/AnnotatorSearch.java @ 63:9f8c9611848a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fixed bug with new rectangle shapes. added limit, offset and sortBy parameters to annotator/ and annotator/search.
author casties
date Fri, 23 Nov 2012 17:55:04 +0100
parents 0731c4549065
children 2b1e6df5e21a
comparison
equal deleted inserted replaced
62:15569aa35d62 63:9f8c9611848a
1 /** 1 /**
2 * Implements the "search" uri of the Annotator API. 2 * Implements the "search" uri of the Annotator API.
3 */ 3 */
4 package de.mpiwg.itgroup.annotations.restlet; 4 package de.mpiwg.itgroup.annotations.restlet;
5 5
6 import java.util.ArrayList;
6 import java.util.List; 7 import java.util.List;
7 8
8 import org.json.JSONArray; 9 import org.json.JSONArray;
9 import org.json.JSONException; 10 import org.json.JSONException;
10 import org.json.JSONObject; 11 import org.json.JSONObject;
15 import org.restlet.resource.Get; 16 import org.restlet.resource.Get;
16 17
17 import de.mpiwg.itgroup.annotations.Annotation; 18 import de.mpiwg.itgroup.annotations.Annotation;
18 import de.mpiwg.itgroup.annotations.Person; 19 import de.mpiwg.itgroup.annotations.Person;
19 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore; 20 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
21 import de.mpiwg.itgroup.annotations.restlet.utils.JSONObjectComparator;
20 22
21 /** 23 /**
22 * Implements the "search" uri of the Annotator API. see 24 * Implements the "search" uri of the Annotator API. see
23 * <https://github.com/okfn/annotator/wiki/Storage> 25 * <https://github.com/okfn/annotator/wiki/Storage>
24 * 26 *
31 return "OPTIONS,GET"; 33 return "OPTIONS,GET";
32 } 34 }
33 35
34 /** 36 /**
35 * result for JSON content-type. optional search parameters: uri, user, limit, 37 * result for JSON content-type. optional search parameters: uri, user, limit,
36 * offset. 38 * offset, sortBy.
37 * 39 *
38 * @param entity 40 * @param entity
39 * @return 41 * @return
40 */ 42 */
41 @Get("json") 43 @Get("json")
47 logger.debug("request authenticated=" + authUser); 49 logger.debug("request authenticated=" + authUser);
48 50
49 Form form = getRequest().getResourceRef().getQueryAsForm(); 51 Form form = getRequest().getResourceRef().getQueryAsForm();
50 String uri = form.getFirstValue("uri"); 52 String uri = form.getFirstValue("uri");
51 String user = form.getFirstValue("user"); 53 String user = form.getFirstValue("user");
52 String limit = form.getFirstValue("limit"); 54 int limit = getInt(form.getFirstValue("limit"));
53 String offset = form.getFirstValue("offset"); 55 int offset = getInt(form.getFirstValue("offset"));
56 String sortBy = form.getFirstValue("sortBy");
54 57
55 JSONArray results = new JSONArray();
56 // do search 58 // do search
59 ArrayList<JSONObject> results = new ArrayList<JSONObject>();
57 logger.debug(String.format("searching for uri=%s user=%s", uri, user)); 60 logger.debug(String.format("searching for uri=%s user=%s", uri, user));
58 AnnotationStore store = getAnnotationStore(); 61 AnnotationStore store = getAnnotationStore();
59 List<Annotation> annots = store.searchAnnotationByUriUser(uri, user, limit, offset); 62 List<Annotation> annots = store.searchAnnotationByUriUser(uri, user);
60 for (Annotation annot : annots) { 63 for (Annotation annot : annots) {
61 // check permission 64 // check permission
62 if (!annot.isActionAllowed("read", authUser, store)) continue; 65 if (!annot.isActionAllowed("read", authUser, store)) continue;
63 JSONObject jo = createAnnotatorJson(annot, (authUser == null)); 66 JSONObject jo = createAnnotatorJson(annot, (authUser == null));
64 if (jo != null) { 67 if (jo != null) {
65 results.put(jo); 68 results.add(jo);
66 } else { 69 } else {
67 setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error"); 70 setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error");
68 return null; 71 return null;
69 } 72 }
70 } 73 }
74
75 // sort if necessary
76 if (sortBy != null) {
77 JSONObjectComparator.sortAnnotations(results, sortBy);
78 }
79
80 // put in JSON list
81 JSONArray rows = new JSONArray();
82 int cnt = 0;
83 for (JSONObject result : results) {
84 cnt += 1;
85 if (offset > 0 && cnt < offset) continue;
86 rows.put(result);
87 if (limit > 0 && cnt >= limit) break;
88 }
89
71 // assemble result object 90 // assemble result object
72 JSONObject result = new JSONObject(); 91 JSONObject result = new JSONObject();
73 try { 92 try {
74 result.put("rows", results); 93 result.put("rows", rows);
75 result.put("total", results.length()); 94 result.put("total", rows.length());
76 } catch (JSONException e) { 95 } catch (JSONException e) {
77 setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error"); 96 setStatus(Status.SERVER_ERROR_INTERNAL, "JSON Error");
78 return null; 97 return null;
79 } 98 }
80 99