/*

  * Copyright 2007-2008 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.config.spring;

 import java.io.IOException;

 import java.util.Properties;

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

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

 import org.kuali.rice.core.config.ConfigLogger;

 import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;

 /**

  * Configures a property placeholder in Spring which will allow access to the properties configured in

  * the workflow configuration.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class ConfigPropertyPlaceholderConfigurer extends PropertyPlaceholderConfigurer {

         protected final org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger(getClass());

     public ConfigPropertyPlaceholderConfigurer() {

         setSystemPropertiesMode(PropertyPlaceholderConfigurer.SYSTEM_PROPERTIES_MODE_OVERRIDE);

     }

     @Override

     protected void loadProperties(Properties props) throws IOException {

         // perform standard property resource file loading

         super.loadProperties(props);

         // load the Rice properties

         Config config = ConfigContext.getCurrentContextConfig();

         if (config != null) {

             log.debug("Replacing parameters in Spring using config:\r\n" + config);

             ConfigLogger.logConfig(config);

             props.putAll(config.getProperties());

         }

     }

 }