| 1 | /* |
| 2 | * Copyright (c) 2003, 2004, 2005, 2006 Trustees of Indiana University. |
| 3 | * |
| 4 | * Licensed under the Educational Community License Version 1.0 (the "License"); By obtaining, |
| 5 | * using and/or copying this Original Work, you agree that you have read, understand, and will |
| 6 | * comply with the terms and conditions of the Educational Community License. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
| 9 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE |
| 10 | * AND NONINFRINGEMENT. |
| 11 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES |
| 12 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 13 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 14 | */ |
| 15 | package edu.iu.uis.sit.portal; |
| 16 | |
| 17 | import org.springframework.beans.factory.BeanFactory; |
| 18 | import org.springframework.beans.factory.access.BeanFactoryLocator; |
| 19 | import org.springframework.beans.factory.access.BeanFactoryReference; |
| 20 | import org.springframework.beans.factory.access.SingletonBeanFactoryLocator; |
| 21 | import org.springframework.context.ApplicationContext; |
| 22 | import org.springframework.context.ConfigurableApplicationContext; |
| 23 | |
| 24 | import edu.iu.uis.sit.portal.cache.service.CacheService; |
| 25 | import edu.iu.uis.sit.portal.portlet.personalize.services.PersonalizeService; |
| 26 | import edu.iu.uis.sit.portal.user.service.AclService; |
| 27 | import edu.iu.uis.sit.portal.user.service.UserService; |
| 28 | |
| 29 | public class SpringServiceLocator { |
| 30 | |
| 31 | private static ApplicationContext appContext; |
| 32 | |
| 33 | private static boolean initializationBegan = false; |
| 34 | |
| 35 | public static final String ACL_SRV = "myAclService"; |
| 36 | |
| 37 | public static final String USER_SRV = "myUserService"; |
| 38 | |
| 39 | public static final String PERSONALIZE_SRV = "myPersonalizeService"; |
| 40 | |
| 41 | public static final String CACHE_SRV = "myCacheService"; |
| 42 | |
| 43 | public static Object getService(String serviceName) { |
| 44 | if (appContext == null && !initializationBegan) { |
| 45 | initializationBegan = true; |
| 46 | initializeAppContexts("Spring.xml"); |
| 47 | } else if (appContext == null && initializationBegan) { |
| 48 | throw new RuntimeException("Spring not initialized properly. Initialization has begun and the application context is null." + "Probably spring loaded bean is trying to use SpringServiceLocator before the application context is initialized."); |
| 49 | } |
| 50 | |
| 51 | return appContext.getBean(serviceName); |
| 52 | } |
| 53 | |
| 54 | public static void close() { |
| 55 | if (appContext instanceof ConfigurableApplicationContext) { |
| 56 | ((ConfigurableApplicationContext) appContext).close(); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | public static void setAppContext(ApplicationContext newAppContext) { |
| 61 | appContext = newAppContext; |
| 62 | } |
| 63 | |
| 64 | public static ApplicationContext getAppContext() { |
| 65 | return appContext; |
| 66 | } |
| 67 | |
| 68 | protected static void initializeAppContexts(String rootContextFile) { |
| 69 | BeanFactoryLocator bfLocator = SingletonBeanFactoryLocator.getInstance(rootContextFile); |
| 70 | BeanFactoryReference bfReference = bfLocator.useBeanFactory("appContext"); |
| 71 | BeanFactory factory = bfReference.getFactory(); |
| 72 | appContext = (ApplicationContext) factory; |
| 73 | } |
| 74 | |
| 75 | public static AclService getAclService() { |
| 76 | return (AclService) getService(ACL_SRV); |
| 77 | } |
| 78 | |
| 79 | public static UserService getUserService() { |
| 80 | return (UserService) getService(USER_SRV); |
| 81 | } |
| 82 | |
| 83 | public static PersonalizeService getPersonalizeService() { |
| 84 | return (PersonalizeService) getService(PERSONALIZE_SRV); |
| 85 | } |
| 86 | |
| 87 | public static CacheService getCacheService() { |
| 88 | return (CacheService) getService(CACHE_SRV); |
| 89 | } |
| 90 | } |