/*

  * Copyright 2007-2009 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.kns.util.spring;

 import org.springframework.beans.factory.BeanFactory;

 import org.springframework.beans.factory.BeanFactoryAware;

 import org.springframework.beans.factory.config.AbstractFactoryBean;

 /**

  * This is a description of what this class does - jjhanso don't forget to fill this in.

  *

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

  *

  */

 public class IfExistsFactoryBean extends AbstractFactoryBean implements BeanFactoryAware {

     private BeanFactory beanFactory;

     private String beanName;

     private Object customReturnValue;

     @Override

     protected Object createInstance() throws Exception {

         if (beanFactory.containsBean(beanName)) {

             if (customReturnValue != null) {

                 return customReturnValue;

             } else {

                 return beanFactory.getBean(beanName);

             }

         }

         return null;

     }

     /**

      * This overridden method ...

      *

      * @see org.springframework.beans.factory.config.AbstractFactoryBean#getObjectType()

      */

     @Override

     public Class getObjectType() {

        return null;

     }

     public BeanFactory getBeanFactory() {

         return this.beanFactory;

     }

     public String getBeanName() {

         return this.beanName;

     }

     public Object getCustomReturnValue() {

         return this.customReturnValue;

     }

     public void setBeanFactory(BeanFactory beanFactory) {

         this.beanFactory = beanFactory;

     }

     public void setBeanName(String beanName) {

         this.beanName = beanName;

     }

     public void setCustomReturnValue(Object customReturnValue) {

         this.customReturnValue = customReturnValue;

     }

 }