/**
    * Copyright 2005-2012 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.krad.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;
      }
  
  }