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.Properties;
019    
020    import org.kuali.common.util.PropertyUtils;
021    import org.kuali.common.util.property.DefaultPropertyLoadContext;
022    import org.kuali.common.util.service.DefaultPropertyService;
023    import org.kuali.common.util.service.PropertyService;
024    import org.springframework.beans.factory.FactoryBean;
025    
026    public class PropertyFactoryBean extends DefaultPropertyLoadContext implements FactoryBean<Properties> {
027    
028            protected static Properties instance;
029            boolean singleton = false;
030            PropertyService service = new DefaultPropertyService();
031            boolean show;
032    
033            @Override
034            public Properties getObject() throws Exception {
035                    if (isSingleton()) {
036                            return getInstance();
037                    } else {
038                            Properties properties = service.load(this);
039                            if (show) {
040                                    PropertyUtils.info(properties);
041                            }
042                            return properties;
043                    }
044            }
045    
046            protected synchronized Properties getInstance() {
047                    if (instance == null) {
048                            instance = service.load(this);
049                    }
050                    if (show) {
051                            PropertyUtils.info(instance);
052                    }
053                    return instance;
054            }
055    
056            @Override
057            public Class<Properties> getObjectType() {
058                    return Properties.class;
059            }
060    
061            @Override
062            public boolean isSingleton() {
063                    return this.singleton;
064            }
065    
066            public void setSingleton(boolean singleton) {
067                    this.singleton = singleton;
068            }
069    
070            public PropertyService getService() {
071                    return service;
072            }
073    
074            public void setService(PropertyService service) {
075                    this.service = service;
076            }
077    
078            public boolean isShow() {
079                    return show;
080            }
081    
082            public void setShow(boolean show) {
083                    this.show = show;
084            }
085    }