001    /**
002     * Copyright 2010-2013 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.Collections;
019    import java.util.List;
020    
021    import org.kuali.common.util.property.ProjectProperties;
022    import org.springframework.context.annotation.Bean;
023    import org.springframework.context.annotation.Configuration;
024    import org.springframework.core.env.PropertySource;
025    
026    /**
027     * 
028     */
029    @Configuration
030    public abstract class AbstractPropertySourceConfig {
031    
032            /**
033             * This returns an empty list by default. Add in <code>ProjectProperties</code> as appropriate. Properties from this list use a "last one in wins" strategy.
034             */
035            protected List<ProjectProperties> getOtherProjectProperties() {
036                    return Collections.emptyList();
037            }
038    
039            protected abstract ProjectProperties getProjectProperties();
040    
041            public PropertySource<?> getPropertySource() {
042                    ProjectProperties project = getProjectProperties();
043                    List<ProjectProperties> others = getOtherProjectProperties();
044                    return SpringUtils.getGlobalPropertySource(project, others);
045            }
046    
047            @Bean
048            public PropertySource<?> springPropertySource() {
049                    return getPropertySource();
050            }
051    
052    }