001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.xbean.server.spring.reference; 018 019 import java.io.Serializable; 020 021 import org.apache.xbean.kernel.ServiceContext; 022 import org.apache.xbean.kernel.ServiceContextThreadLocal; 023 import org.springframework.beans.factory.FactoryBean; 024 import org.springframework.beans.factory.config.BeanDefinitionHolder; 025 import org.springframework.beans.factory.support.RootBeanDefinition; 026 027 /** 028 * ServiceNameStringReference is a the ServiceName as a string in the ServiceContextThreadLocal. 029 * @author Dain Sundstrom 030 * @version $Id$ 031 * @since 2.0 032 */ 033 public class ServiceNameStringReference implements FactoryBean, Serializable { 034 /** 035 * Creates a bean definition for ServiceNameStringReference. 036 * @return a bean definition for ServiceNameStringReference 037 */ 038 public static BeanDefinitionHolder createBeanDefinition() { 039 RootBeanDefinition beanDefinition = new RootBeanDefinition(ServiceNameStringReference.class, 0); 040 return new BeanDefinitionHolder(beanDefinition, ServiceNameStringReference.class.getName()); 041 } 042 043 public final Class getObjectType() { 044 return String.class; 045 } 046 047 public synchronized final Object getObject() { 048 ServiceContext serviceContext = ServiceContextThreadLocal.get(); 049 if (serviceContext == null) { 050 throw new IllegalStateException("Service context has not been set"); 051 } 052 return serviceContext.getServiceName().toString(); 053 } 054 055 public boolean isSingleton() { 056 return true; 057 } 058 }