001    /**
002     * Copyright 2010-2012 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     */
016    package org.kuali.common.util.spring;
017    
018    import java.util.List;
019    
020    import org.kuali.common.util.CollectionUtils;
021    import org.springframework.beans.factory.FactoryBean;
022    
023    public class ListCombinerFactoryBean<T> implements FactoryBean<List<T>> {
024    
025            List<List<T>> listOfLists;
026    
027            @Override
028            public List<T> getObject() throws Exception {
029                    return CollectionUtils.combineLists(listOfLists);
030            }
031    
032            @Override
033            public Class<?> getObjectType() {
034                    return List.class;
035            }
036    
037            @Override
038            public boolean isSingleton() {
039                    return false;
040            }
041    
042            public List<List<T>> getListOfLists() {
043                    return listOfLists;
044            }
045    
046            public void setListOfLists(List<List<T>> listOfLists) {
047                    this.listOfLists = listOfLists;
048            }
049    
050    }