/* * JBoss, Home of Professional Open Source * Copyright 2013, Red Hat, Inc. and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.richfaces.resource.external; import javax.faces.context.FacesContext; import org.richfaces.resource.ResourceKey; /** * Tracks what external resources are renderered to the page * * @author Lukas Fryc * */ public interface ResourceTracker { /** * Returns true if given resource has been already renderered to the page * * @return true if given resource has been already renderered to the page; false otherwise */ boolean isResourceRenderered(FacesContext facesContext, ResourceKey resourceKey); /** * Marks given resource as renderered */ void markResourceRendered(FacesContext facesContext, ResourceKey resourceKey); }