| // Copyright 2004 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry.vlib; |
| |
| import org.apache.tapestry.IRequestCycle; |
| import org.apache.tapestry.PageRedirectException; |
| import org.apache.tapestry.callback.PageCallback; |
| import org.apache.tapestry.event.PageEvent; |
| import org.apache.tapestry.vlib.pages.Login; |
| |
| /** |
| * Base page for any pages restricted to administrators. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * |
| **/ |
| |
| public abstract class AdminPage extends Protected implements IMessageProperty |
| { |
| |
| public void pageValidate(PageEvent event) |
| { |
| IRequestCycle cycle = event.getRequestCycle(); |
| Visit visit = (Visit) getEngine().getVisit(); |
| |
| if (visit == null || !visit.isUserLoggedIn()) |
| { |
| Login login = (Login) cycle.getPage("Login"); |
| |
| login.setCallback(new PageCallback(this)); |
| |
| throw new PageRedirectException(login); |
| } |
| |
| if (!visit.getUser(cycle).isAdmin()) |
| { |
| VirtualLibraryEngine vengine = (VirtualLibraryEngine) getEngine(); |
| |
| vengine.presentError("That function is restricted to adminstrators.", cycle); |
| |
| throw new PageRedirectException(cycle.getPage()); |
| } |
| } |
| } |