/**

  * Copyright 2010 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.osedu.org/licenses/ECL-2.0

  *

  * 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.student.core.config.spring;

 /*

  * Copyright 2007 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.

  */

 import java.util.List;

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

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

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

 import org.kuali.rice.core.impl.config.property.JAXBConfigImpl;

 import org.springframework.beans.factory.FactoryBean;

 public class RiceConfigFactoryBean implements FactoryBean {

         private List<String> configLocations;

         public Object getObject() throws Exception {

                 if (getConfigLocations() == null) {

                         throw new ConfigurationException(

                                         "No config locations declared, at least one is required");

                 }

                 // we don't have to worry about a null config below because the JAXBConfigImpl class handles that scenario

                 JAXBConfigImpl config = new JAXBConfigImpl(getConfigLocations(), ConfigContext.getCurrentContextConfig());

                 config.setSystemOverride(true);

                 config.parseConfig();

                 // we always want to call init for this config as it should be overriding any existing config object and any

                 // existing config object should have already been merged into our new config object already from above

                 ConfigContext.init(config);

                 return config;

         }

         public Class<?> getObjectType() {

                 return Config.class;

         }

         public boolean isSingleton() {

                 return true;

         }

         public List<String> getConfigLocations() {

                 return this.configLocations;

         }

         public void setConfigLocations(List<String> configLocations) {

                 this.configLocations = configLocations;

         }

 }