Synnefo » Pithos Web Client

import com.google.gwt.core.client.GWT;

import com.google.gwt.core.client.Scheduler;

import com.google.gwt.http.client.Response;

import com.google.gwt.http.client.URL;

import com.google.gwt.user.client.Command;

import com.google.gwt.user.client.ui.PopupPanel;

import gr.grnet.pithos.web.client.Const;

    private PopupPanel containerPanel;

    /**

     * @param aContainerPanel

     */

    public RemoveUserCommand(Pithos _app, PopupPanel aContainerPanel, User _user) {

        containerPanel = aContainerPanel;

        user = _user;

    }

    @Override

    public void execute() {

        if(containerPanel != null) {

            containerPanel.hide();

        }

        final String groupName = user.getGroup();

        final Group group = app.getAccount().getGroup(groupName);

        if(group == null) {

            return;

        }

        group.removeUser(user);

        String path = "?update=";

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

            @Override

            public void onSuccess(Resource result) {

                app.fetchAccount(new Command() {

                    @Override

                    public void execute() {

                        Group updatedGroup2 = app.getAccount().getGroup(groupName);

                        if(updatedGroup2 != null) {

                            app.updateGroupNode(updatedGroup2);

                        }

                        else {

                            app.updateGroupNode(null);

                        }

                    }

                });

            }

            @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(Const.X_AUTH_TOKEN, app.getUserToken());

        final String groupMembers;

        if(!group.getUsers().isEmpty()) {

            groupMembers = group.encodeUserIDsForXAccountGroup();

        }

        else {

            groupMembers = "~";

        }

        updateGroup.setHeader(Const.X_ACCOUNT_GROUP_ + URL.encodePathSegment(group.getName()), groupMembers);

        Scheduler.get().scheduleDeferred(updateGroup);

    }