001 package org.apache.myfaces.tobago.context; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 import org.apache.myfaces.tobago.config.TobagoConfig; 021 022 import javax.faces.context.FacesContext; 023 import javax.servlet.ServletContext; 024 import javax.servlet.ServletException; 025 import java.util.Map; 026 027 public class ResourceManagerFactory { 028 029 public static final String RESOURCE_MANAGER = "org.apache.myfaces.tobago.context.ResourceManager"; 030 031 private ResourceManagerFactory() { 032 } 033 034 private static boolean initialized; 035 036 public static ResourceManager getResourceManager(FacesContext facesContext) { 037 assert initialized; 038 return (ResourceManager) facesContext.getExternalContext().getApplicationMap().get(RESOURCE_MANAGER); 039 } 040 041 public static ResourceManager getResourceManager(ServletContext servletContext) { 042 assert initialized; 043 return (ResourceManager) servletContext.getAttribute(RESOURCE_MANAGER); 044 } 045 046 public static void init(ServletContext servletContext, TobagoConfig tobagoConfig) 047 throws ServletException { 048 assert !initialized; 049 ResourceManagerImpl resourceManager = new ResourceManagerImpl(tobagoConfig); 050 051 ThemeBuilder themeBuilder = new ThemeBuilder(); 052 ResourceLocator resourceLocator = new ResourceLocator(servletContext, resourceManager, themeBuilder); 053 resourceLocator.locate(); 054 Map<String, Theme> availableThemes = themeBuilder.resolveThemes(tobagoConfig.getRenderersConfig()); 055 tobagoConfig.setAvailableThemes(availableThemes); 056 for (Theme theme : availableThemes.values()) { 057 tobagoConfig.addResourceDir(theme.getResourcePath()); 058 } 059 060 servletContext.setAttribute(RESOURCE_MANAGER, resourceManager); 061 062 initialized = true; 063 } 064 065 public static void release(ServletContext servletContext) { 066 assert initialized; 067 initialized = false; 068 servletContext.removeAttribute(RESOURCE_MANAGER); 069 } 070 }