| /* |
| * 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; |
| |
| import org.apache.webbeans.config.WebBeansContext; |
| import org.apache.webbeans.container.BeanManagerImpl; |
| import org.apache.webbeans.spi.ContainerLifecycle; |
| |
| import java.util.Set; |
| import javax.cache.annotation.BeanProvider; |
| import javax.enterprise.inject.spi.Bean; |
| |
| public class OWBBeanProvider implements BeanProvider |
| { |
| private final BeanManagerImpl bm; |
| |
| public OWBBeanProvider() |
| { |
| final WebBeansContext webBeansContext = WebBeansContext.currentInstance(); |
| final ContainerLifecycle lifecycle = webBeansContext.getService(ContainerLifecycle.class); |
| lifecycle.startApplication(null); |
| Runtime.getRuntime().addShutdownHook(new Thread() |
| { |
| @Override |
| public void run() |
| { |
| lifecycle.stopApplication(null); |
| } |
| }); |
| bm = webBeansContext.getBeanManagerImpl(); |
| } |
| |
| @Override |
| public <T> T getBeanByType(final Class<T> tClass) |
| { |
| if (tClass == null) |
| { |
| throw new IllegalArgumentException("no bean class specified"); |
| } |
| |
| final Set<Bean<?>> beans = bm.getBeans(tClass); |
| if (beans.isEmpty()) |
| { |
| throw new IllegalStateException("no bean of type " + tClass.getName()); |
| } |
| final Bean<?> bean = bm.resolve(beans); |
| return (T) bm.getReference(bean, bean.getBeanClass(), bm.createCreationalContext(bean)); |
| } |
| } |