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 030 = "org.apache.myfaces.tobago.context.ResourceManager"; 031 032 private ResourceManagerFactory() { 033 } 034 035 private static boolean initialized; 036 037 public static ResourceManager getResourceManager(FacesContext facesContext) { 038 assert initialized; 039 return (ResourceManager) facesContext.getExternalContext() 040 .getApplicationMap().get(RESOURCE_MANAGER); 041 } 042 043 public static ResourceManager getResourceManager(ServletContext servletContext) { 044 assert initialized; 045 return (ResourceManager) servletContext.getAttribute(RESOURCE_MANAGER); 046 } 047 048 public static void init( 049 ServletContext servletContext, TobagoConfig tobagoConfig) 050 throws ServletException { 051 assert !initialized; 052 ResourceManagerImpl resourceManager 053 = new ResourceManagerImpl(tobagoConfig); 054 055 ThemeBuilder themeBuilder = new ThemeBuilder(); 056 ResourceLocator resourceLocator = new ResourceLocator( 057 servletContext, resourceManager, themeBuilder); 058 resourceLocator.locate(); 059 Map<String, Theme> availableThemes = themeBuilder.resolveThemes(tobagoConfig.getRenderersConfig()); 060 tobagoConfig.setAvailableThemes(availableThemes); 061 for (Theme theme : availableThemes.values()) { 062 tobagoConfig.addResourceDir(theme.getResourcePath()); 063 } 064 065 servletContext.setAttribute(RESOURCE_MANAGER, resourceManager); 066 067 initialized = true; 068 } 069 070 public static void release(ServletContext servletContext) { 071 assert initialized; 072 initialized = false; 073 servletContext.removeAttribute(RESOURCE_MANAGER); 074 } 075 }