package org.apache.fulcrum.spring;

 /*

  * 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.

  */

 import org.springframework.beans.factory.BeanFactory;

 import org.apache.avalon.framework.service.ServiceManager;

 import org.apache.avalon.framework.service.ServiceException;

 /**

  * Wraps a Spring bean factory to implement an Avalon service

  * lookup - this allows to delegate a service lookup to Spring.

  *

  * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a>

  */

 public class BeanFactoryServiceManager implements ServiceManager

 {

     /** Spring's bean factory */

     private BeanFactory beanFactory;

     /**

      * Constructor

      *

      * @param beanFactory Spring's bean factory

      */

     public BeanFactoryServiceManager(BeanFactory beanFactory)

     {

         this.beanFactory = beanFactory;

     }

     /** @see org.apache.avalon.framework.service.ServiceManager#lookup(String) */

     public Object lookup(String key) throws ServiceException

     {

         try

         {

             return beanFactory.getBean(key);

         }

         catch(Exception e)

         {

             throw new ServiceException(key, "Unable to lookup service using Spring's BeanFactory", e);

         }

     }

     /** @see org.apache.avalon.framework.service.ServiceManager#hasService(String) */

     public boolean hasService(String key)

     {

         return beanFactory.containsBean(key);

     }

     /** @see org.apache.avalon.framework.service.ServiceManager#release(Object) */

     public void release(Object o)

     {

         // nothing to do for Spring beans

     }

 }