Synnefo » Pithos Web Client

        String username = Window.prompt("Enter username:", "");

        if (username != null && username.length() > 0) {

        	group.addMember(username);

        	String path = "?update=";

        	PostRequest updateGroup = new PostRequest(app.getApiPath(), app.getUsername(), path) {

				@Override

				public void onSuccess(Resource result) {

					app.updateGroupNode(group);

				}

				@Override

				public void onError(Throwable t) {

					GWT.log("", t);

					app.setError(t);

					if (t instanceof RestException) {

						app.displayError("Unable to update group:" + ((RestException) t).getHttpStatusText());

					}

					else 

						app.displayError("System error updating group:" + t.getMessage());

				}

				@Override

				protected void onUnauthorized(Response response) {

					app.sessionExpired();

				}

			};

			updateGroup.setHeader("X-Auth-Token", app.getToken());

			String groupMembers = "";

			for (String u : group.getMembers())

				groupMembers += (URL.encodePathSegment(u) + ",");

			updateGroup.setHeader("X-Account-Group-" + URL.encodePathSegment(group.getName()), groupMembers);

			Scheduler.get().scheduleDeferred(updateGroup);

        }