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.Collection;
019    import java.util.List;
020    
021    import org.kuali.common.util.Assert;
022    import org.springframework.beans.factory.FactoryBean;
023    import org.springframework.beans.factory.InitializingBean;
024    
025    /**
026     * Append all of the elements from <code>source</code> to the end of <code>target</code>
027     */
028    public class AddAllListFactoryBean<T> implements FactoryBean<List<T>>, InitializingBean {
029    
030            List<T> source;
031            List<T> target;
032    
033            @Override
034            public void afterPropertiesSet() throws Exception {
035                    Assert.notNull(source, "source is null");
036                    Assert.notNull(target, "target is null");
037                    target.addAll(source);
038            }
039    
040            @Override
041            public List<T> getObject() throws Exception {
042                    return target;
043            }
044    
045            @Override
046            public Class<?> getObjectType() {
047                    return null;
048            }
049    
050            @Override
051            public boolean isSingleton() {
052                    return false;
053            }
054    
055            public Collection<T> getSource() {
056                    return source;
057            }
058    
059            public void setSource(List<T> source) {
060                    this.source = source;
061            }
062    
063            public Collection<T> getTarget() {
064                    return target;
065            }
066    
067            public void setTarget(List<T> target) {
068                    this.target = target;
069            }
070    
071    }