/*

  * Copyright 2007 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  *

  * 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.kuali.rice.core.framework.resourceloader;

 import java.util.HashSet;

 import java.util.Set;

 import javax.xml.namespace.QName;

 import org.kuali.rice.core.api.resourceloader.ResourceLoader;

 import org.springframework.beans.factory.BeanFactory;

 /**

  * Wraps a {@link BeanFactory} as a {@link ResourceLoader}.

  * 

  * Does not start or stop the {@link BeanFactory}.  Assumes this is being done 

  * by the application that started it.

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class BeanFactoryResourceLoader extends BaseResourceLoader {

         private final BeanFactory beanFactory;

         private final Set<String> beanNames;

         public BeanFactoryResourceLoader(QName name, BeanFactory beanFactory) {

                 this(name, beanFactory, null);

         }

         public BeanFactoryResourceLoader(QName name, BeanFactory beanFactory, Set<String> beanNames) {

                 super(name);

                 this.beanFactory = beanFactory;

                 this.beanNames = beanNames;

         }

         @Override

         public Object getService(QName serviceName) {

                 String beanName = translateBeanName(serviceName);

                 if ((beanNames == null || beanNames.contains(beanName)) && beanFactory.containsBean(beanName)) {

                         return beanFactory.getBean(beanName);

                 }

                 return super.getService(serviceName);

         }

         protected String translateBeanName(QName serviceName) {

                 return serviceName.toString();

         }

 }