001/**
002 * Copyright 2005-2016 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krad.util.spring;
017
018import org.springframework.beans.factory.BeanFactory;
019import org.springframework.beans.factory.BeanFactoryAware;
020import org.springframework.beans.factory.config.AbstractFactoryBean;
021
022
023
024/**
025 * This is a description of what this class does - jjhanso don't forget to fill this in.
026 *
027 * @author Kuali Rice Team (rice.collab@kuali.org)
028 *
029 */
030public class IfExistsFactoryBean extends AbstractFactoryBean implements BeanFactoryAware {
031    private BeanFactory beanFactory;
032    private String beanName;
033    private Object customReturnValue;
034
035    @Override
036    protected Object createInstance() throws Exception {
037        if (beanFactory.containsBean(beanName)) {
038            if (customReturnValue != null) {
039                return customReturnValue;
040            } else {
041                return beanFactory.getBean(beanName);
042            }
043        }
044        return null;
045    }
046
047    /**
048     * This overridden method ...
049     *
050     * @see org.springframework.beans.factory.config.AbstractFactoryBean#getObjectType()
051     */
052    @Override
053    public Class getObjectType() {
054       return null;
055    }
056
057    public BeanFactory getBeanFactory() {
058        return this.beanFactory;
059    }
060
061    public String getBeanName() {
062        return this.beanName;
063    }
064
065    public Object getCustomReturnValue() {
066        return this.customReturnValue;
067    }
068
069    public void setBeanFactory(BeanFactory beanFactory) {
070        this.beanFactory = beanFactory;
071    }
072
073    public void setBeanName(String beanName) {
074        this.beanName = beanName;
075    }
076
077    public void setCustomReturnValue(Object customReturnValue) {
078        this.customReturnValue = customReturnValue;
079    }
080
081}