// 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: AdminPage.java,v 1.7 2004/02/19 17:37:49 hlship Exp $
*
**/
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());
}
}
}