/**
*
*/
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.ResourceException;
import org.restlet.resource.ServerResource;
import de.mpiwg.itgroup.annotations.Actor;
import de.mpiwg.itgroup.annotations.Person;
import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore.NodeTypes;
import de.mpiwg.itgroup.annotations.restlet.BaseRestlet;
/**
* Resource class for the list of annotation users (Person class).
*
* @author casties
*
*/
public class PersonsResource extends ServerResource {
public static Logger logger = Logger.getLogger(PersonsResource.class);
private AnnotationStore store;
@Override
protected void doInit() throws ResourceException {
super.doInit();
// get store instance
if (store == null) {
store = ((BaseRestlet) getApplication()).getAnnotationStore();
}
}
/**
* GET with HTML content type. Lists all persons.
*
* @param entity
* @return
*/
@Get("html")
public Representation doGetHTML(Representation entity) {
String result = null;
// get form parameter
Form f = this.getQuery();
String form = f.getFirstValue("form");
if (form != null && form.equals("new_person")) {
// output new group form
result = "\n";
result += "New person
\n";
result += String.format("All persons
", this.getReference());
result += String.format("\n\n";
} else {
// list all groups
result = "\nPersons
\n";
result += "| id | name | uri |
|---|
";
List persons = store.getActors("uri", "*", NodeTypes.PERSON);
for (Actor person : persons) {
Reference url = this.getReference().clone();
url.addSegment(person.getId());
result += String.format("| %s | %s | %s |
\n", url,
person.getIdString(), person.getName(), person.getUri());
}
result += "
\n";
result += "Add new person
\n";
result += "\n";
}
return new StringRepresentation(result, MediaType.TEXT_HTML);
}
/**
* POST creates a new Group.
*
* @return
*/
@Post
public Representation doPost(Representation entity) {
logger.debug("PersonsResource doPost!");
// TODO: do authentication
Form form = new Form(entity);
String id = form.getFirstValue("id");
if (id == null || id.isEmpty() || id.matches("\\W")) {
// invalid id
setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
return null;
}
String name = form.getFirstValue("name");
if (name == null || name.isEmpty()) {
name = ((BaseRestlet) getApplication()).getFullNameFromLdap(id);
}
String uri = form.getFirstValue("uri");
if (uri != null && uri.isEmpty()) uri = null;
Person newPerson = new Person(id, uri, name);
Actor storedPerson = store.storeActor(newPerson);
id = storedPerson.getId();
// return 303: see other
setStatus(Status.REDIRECTION_SEE_OTHER);
// go GET URL for this person
Reference url = this.getReference().clone();
url.addSegment(id);
this.getResponse().setLocationRef(url);
return null;
}
}