Mercurial > hg > AnnotationManagerN4J

diff src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/PersonsResource.java @ 32:0731c4549065

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UI for editing groups and persons works now. (still no authorisation!)
author casties
date Tue, 25 Sep 2012 21:59:21 +0200
parents
children 707902d468f6
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/PersonsResource.java	Tue Sep 25 21:59:21 2012 +0200
@@ -0,0 +1,123 @@
+/**
+ * 
+ */
+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 = "<html><body>\n";
+            result += "<h1>New person</h1>\n";
+            result += String.format("<p><a href=\"%s\">All persons</a></p>", this.getReference());
+            result += String.format("<form method=\"post\" action=\"%s\">\n", this.getReference().getHierarchicalPart());
+            result += "<table>";
+            result += "<tr><td><b>id</b></td><td><input type=\"text\" name=\"id\"/></td></tr>\n";
+            result += "<tr><td><b>name</b></td><td><input type=\"text\" name=\"name\"/></td></tr>\n";
+            result += "</table>\n";
+            result += "<p><input type=\"submit\"/></p>\n";
+            result += "</form>\n</body>\n</html>";
+        } else {
+            // list all groups
+            result = "<html><body>\n<h1>Persons</h1>\n<table>";
+            result += "<tr><th>id</th><th>name</th><th>uri</th></tr>";
+            List<Actor> persons = store.getActors("uri", "*", NodeTypes.PERSON);
+            for (Actor person : persons) {
+                Reference url = this.getReference().clone();
+                url.addSegment(person.getId());
+                result += String.format("<tr><td><a href=\"%s\">%s</a></td><td>%s</td><td>%s</td></tr>\n", url,
+                        person.getIdString(), person.getName(), person.getUri());
+            }
+            result += "</table>\n";
+            result += "<p><a href=\"?form=new_person\">Add new person</a></p>\n";
+            result += "</body>\n</html>";
+        }
+        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;
+    }
+
+}