Mercurial > hg > AnnotationManagerN4J

comparison src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/GroupsResource.java @ 23:d22d01ba953a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
reorganised code for annotations and groups ui. work in progress.
author casties
date Sat, 22 Sep 2012 20:12:18 +0200
parents src/main/java/de/mpiwg/itgroup/annotations/restlet/AnnotationStoreGroups.java@b1fb0d117877
children 0731c4549065
comparison
equal deleted inserted replaced
22:b1fb0d117877 23:d22d01ba953a
1 /**
2 *
3 */
4 package de.mpiwg.itgroup.annotations.restlet.annotations_ui;
5
6 import java.util.List;
7
8 import org.apache.log4j.Logger;
9 import org.restlet.data.Form;
10 import org.restlet.data.MediaType;
11 import org.restlet.data.Reference;
12 import org.restlet.data.Status;
13 import org.restlet.representation.Representation;
14 import org.restlet.representation.StringRepresentation;
15 import org.restlet.resource.Get;
16 import org.restlet.resource.Post;
17 import org.restlet.resource.ServerResource;
18
19 import de.mpiwg.itgroup.annotations.Actor;
20 import de.mpiwg.itgroup.annotations.Group;
21 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
22 import de.mpiwg.itgroup.annotations.restlet.BaseRestlet;
23
24 /**
25 * Resource class for the list of annotation groups.
26 *
27 * @author casties
28 *
29 */
30 public class GroupsResource extends ServerResource {
31
32 public static Logger logger = Logger.getLogger(GroupsResource.class);
33
34 private AnnotationStore store;
35
36 /**
37 * GET with HTML content type. Lists all groups.
38 *
39 * @param entity
40 * @return
41 */
42 @Get("html")
43 public Representation doGetHTML(Representation entity) {
44 String result = null;
45 store = getAnnotationStore();
46 // list all groups
47 result = "<html><body>\n<h1>Groups</h1>\n<table>";
48 result += "<tr><th>id</th><th>name</th><th>uri</th></tr>";
49 List<Group> groups = store.getGroups("uri", "*");
50 for (Group group : groups) {
51 Reference groupUrl = this.getReference();
52 groupUrl.addSegment(group.getId());
53 result += String.format("<tr><td><a href=\"%s\">%s</a></td><td>%s</td><td>%s</td></tr>\n", groupUrl, group.getId(),
54 group.getName(), group.getUri());
55 }
56 result += "</table>\n</body>\n</html>";
57 logger.debug("sending:");
58 logger.debug(result);
59 return new StringRepresentation(result, MediaType.TEXT_HTML);
60 }
61
62 /**
63 * POST creates a new Group.
64 *
65 * @return
66 */
67 @Post
68 public Representation doPost(Representation entity) {
69 logger.debug("AnnotationsUiGroups doPost!");
70 // TODO: do authentication
71 Form form = new Form(entity);
72 String id = form.getFirstValue("id");
73 String name = form.getFirstValue("name");
74 if (id == null || id.isEmpty()) {
75 // invalid id
76 setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
77 return null;
78 }
79 String gid = makeGroupId(id);
80 Group newGroup = new Group(gid, null, name);
81 store = getAnnotationStore();
82 Actor storedGroup = store.storeActor(newGroup);
83 gid = storedGroup.getId();
84 // return 303: see other
85 setStatus(Status.REDIRECTION_SEE_OTHER);
86 // go GET URL for this group
87 Reference groupUrl = this.getReference();
88 groupUrl.addSegment(gid);
89 this.getResponse().setLocationRef(groupUrl);
90 return null;
91 }
92
93 /**
94 * Returns a group id based on the given id.
95 *
96 * @param id
97 * @return
98 */
99 protected String makeGroupId(String id) {
100 // TODO: should we use different ids?
101 id = id.replaceAll("\\W", "_");
102 id = id.toLowerCase();
103 return id;
104 }
105
106 protected AnnotationStore getAnnotationStore() {
107 if (store == null) {
108 store = ((BaseRestlet) getApplication()).getAnnotationStore();
109 }
110 return store;
111 }
112 }