/*

  * Copyright 2006-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.core.impl.config.property;

 import org.kuali.rice.core.api.config.ConfigurationException;

 import org.kuali.rice.core.api.config.property.Config;

 import org.kuali.rice.core.api.config.property.ConfigContext;

 import org.springframework.beans.factory.FactoryBean;

 import java.util.List;

 public class ConfigFactoryBean implements FactoryBean<org.kuali.rice.core.api.config.property.Config> {

         private List<String> configLocations;

         public static String CONFIG_OVERRIDE_LOCATION;

         @Override

         public org.kuali.rice.core.api.config.property.Config getObject() throws Exception {

                 org.kuali.rice.core.api.config.property.Config oldConfig = null;

                 if (getConfigLocations() == null) {

                         throw new ConfigurationException("No config locations declared, at least one is required");

                 }

                 if (ConfigContext.getCurrentContextConfig() != null) {

                         oldConfig = ConfigContext.getCurrentContextConfig();

                 }

                 //SimpleConfig config = null;

                 JAXBConfigImpl config = null;

                 if (CONFIG_OVERRIDE_LOCATION != null) {

                         config = new JAXBConfigImpl(CONFIG_OVERRIDE_LOCATION, oldConfig);                

                 } else {

                         config = new JAXBConfigImpl(getConfigLocations(), oldConfig);

                 }

                 config.parseConfig();

                 return config;

         }

         @Override

         public Class<Config> getObjectType() {

                 return org.kuali.rice.core.api.config.property.Config.class;

         }

         @Override

         public boolean isSingleton() {

                 return true;

         }

         public List<String> getConfigLocations() {

                 return this.configLocations;

         }

         public void setConfigLocations(List<String> configLocations) {

                 this.configLocations = configLocations;

         }

 }