| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.commons.jcs3.jcache.extras.cdi; |
| |
| import javax.cache.CacheManager; |
| import javax.cache.Caching; |
| import javax.cache.spi.CachingProvider; |
| import javax.enterprise.event.Observes; |
| import javax.enterprise.inject.spi.AfterBeanDiscovery; |
| import javax.enterprise.inject.spi.Bean; |
| import javax.enterprise.inject.spi.BeforeShutdown; |
| import javax.enterprise.inject.spi.Extension; |
| import javax.enterprise.inject.spi.ProcessBean; |
| import java.util.Properties; |
| |
| // add default CacheProvider and CacheManager |
| public class ExtraJCacheExtension implements Extension |
| { |
| private static final boolean ACTIVATED = "true".equals(System.getProperty("org.apache.jcs.extra.cdi", "true")); |
| |
| private boolean cacheManagerFound = false; |
| private boolean cacheProviderFound = false; |
| private CacheManager cacheManager; |
| private CachingProvider cachingProvider; |
| |
| public <A> void processBean(final @Observes ProcessBean<A> processBeanEvent) |
| { |
| if (!ACTIVATED) |
| { |
| return; |
| } |
| |
| if (cacheManagerFound && cacheProviderFound) |
| { |
| return; |
| } |
| |
| final Bean<A> bean = processBeanEvent.getBean(); |
| if (CacheManagerBean.class.isInstance(bean) || CacheProviderBean.class.isInstance(bean)) |
| { |
| return; |
| } |
| |
| if (!cacheManagerFound) |
| { |
| cacheManagerFound = bean.getTypes().contains(CacheManager.class); |
| } |
| if (!cacheProviderFound) |
| { |
| cacheProviderFound = bean.getTypes().contains(CachingProvider.class); |
| } |
| } |
| |
| public void addJCacheBeans(final @Observes AfterBeanDiscovery afterBeanDiscovery) |
| { |
| if (!ACTIVATED) |
| { |
| return; |
| } |
| |
| if (cacheManagerFound && cacheProviderFound) { |
| return; |
| } |
| |
| cachingProvider = Caching.getCachingProvider(); |
| if (!cacheManagerFound) |
| { |
| cacheManager = cachingProvider.getCacheManager( |
| cachingProvider.getDefaultURI(), |
| cachingProvider.getDefaultClassLoader(), |
| new Properties()); |
| afterBeanDiscovery.addBean(new CacheManagerBean(cacheManager)); |
| } |
| if (!cacheProviderFound) |
| { |
| afterBeanDiscovery.addBean(new CacheProviderBean(cachingProvider)); |
| } |
| } |
| |
| public void destroyIfCreated(final @Observes BeforeShutdown beforeShutdown) |
| { |
| if (cacheManager != null) |
| { |
| cacheManager.close(); |
| } |
| if (cachingProvider != null) |
| { |
| cachingProvider.close(); |
| } |
| } |
| } |