Mercurial > hg > AnnotationManagerN4J
view 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 |
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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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/** * */ 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; } }