Mercurial > hg > AnnotationManagerN4J
diff src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/GroupsResource.java @ 23:d22d01ba953a
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 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/GroupsResource.java Sat Sep 22 20:12:18 2012 +0200 @@ -0,0 +1,112 @@ +/** + * + */ +package de.mpiwg.itgroup.annotations.restlet.annotations_ui; + +import java.util.List; + +import org.apache.log4j.Logger; +import org.restlet.data.Form; +import org.restlet.data.MediaType; +import org.restlet.data.Reference; +import org.restlet.data.Status; +import org.restlet.representation.Representation; +import org.restlet.representation.StringRepresentation; +import org.restlet.resource.Get; +import org.restlet.resource.Post; +import org.restlet.resource.ServerResource; + +import de.mpiwg.itgroup.annotations.Actor; +import de.mpiwg.itgroup.annotations.Group; +import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore; +import de.mpiwg.itgroup.annotations.restlet.BaseRestlet; + +/** + * Resource class for the list of annotation groups. + * + * @author casties + * + */ +public class GroupsResource extends ServerResource { + + public static Logger logger = Logger.getLogger(GroupsResource.class); + + private AnnotationStore store; + + /** + * GET with HTML content type. Lists all groups. + * + * @param entity + * @return + */ + @Get("html") + public Representation doGetHTML(Representation entity) { + String result = null; + store = getAnnotationStore(); + // list all groups + result = "<html><body>\n<h1>Groups</h1>\n<table>"; + result += "<tr><th>id</th><th>name</th><th>uri</th></tr>"; + List<Group> groups = store.getGroups("uri", "*"); + for (Group group : groups) { + Reference groupUrl = this.getReference(); + groupUrl.addSegment(group.getId()); + result += String.format("<tr><td><a href=\"%s\">%s</a></td><td>%s</td><td>%s</td></tr>\n", groupUrl, group.getId(), + group.getName(), group.getUri()); + } + result += "</table>\n</body>\n</html>"; + logger.debug("sending:"); + logger.debug(result); + return new StringRepresentation(result, MediaType.TEXT_HTML); + } + + /** + * POST creates a new Group. + * + * @return + */ + @Post + public Representation doPost(Representation entity) { + logger.debug("AnnotationsUiGroups doPost!"); + // TODO: do authentication + Form form = new Form(entity); + String id = form.getFirstValue("id"); + String name = form.getFirstValue("name"); + if (id == null || id.isEmpty()) { + // invalid id + setStatus(Status.CLIENT_ERROR_BAD_REQUEST); + return null; + } + String gid = makeGroupId(id); + Group newGroup = new Group(gid, null, name); + store = getAnnotationStore(); + Actor storedGroup = store.storeActor(newGroup); + gid = storedGroup.getId(); + // return 303: see other + setStatus(Status.REDIRECTION_SEE_OTHER); + // go GET URL for this group + Reference groupUrl = this.getReference(); + groupUrl.addSegment(gid); + this.getResponse().setLocationRef(groupUrl); + return null; + } + + /** + * Returns a group id based on the given id. + * + * @param id + * @return + */ + protected String makeGroupId(String id) { + // TODO: should we use different ids? + id = id.replaceAll("\\W", "_"); + id = id.toLowerCase(); + return id; + } + + protected AnnotationStore getAnnotationStore() { + if (store == null) { + store = ((BaseRestlet) getApplication()).getAnnotationStore(); + } + return store; + } +}