/*

  * 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.ksb.messaging.quartz;

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

 import org.kuali.rice.ksb.util.KSBConstants;

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

 import java.util.Properties;

 /**

  * A factory bean which reads quartz-related properties from the Config system and

  * generates a Properites instance for use when configuration quartz.

  * 

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

  *

  */

 public class QuartzConfigPropertiesFactoryBean extends AbstractFactoryBean {

     private static final String QUARTZ_PREFIX = "ksb.org.quartz";

     private static final String QUARTZ_IS_CLUSTERED = QUARTZ_PREFIX + ".jobStore.isClustered";

     private static final String QUARTZ_TABLE_PREFIX = QUARTZ_PREFIX + ".jobStore.tablePrefix";

     @Override

     protected Object createInstance() throws Exception {

         Properties properties = new Properties();

         Properties configProps = ConfigContext.getCurrentContextConfig().getProperties();

         boolean useQuartzDatabase = Boolean.valueOf(ConfigContext.getCurrentContextConfig().getProperty(KSBConstants.Config.USE_QUARTZ_DATABASE));

         for (Object keyObj : configProps.keySet()) {

             if (keyObj instanceof String) {

                     String key = (String)keyObj;

                     if (key.startsWith(QUARTZ_PREFIX) && !propertyShouldBeFiltered(useQuartzDatabase, key)) {

                             properties.put(key.substring(4), configProps.get(key));

                     }

             }

         }

         return properties;

     }

     /**

      * When we aren't using the quartz database, prevents some of the parameters for quartz database mode from

      * being passed to quartz.  If we pass these to quartz when it's using a RAMJobStore, we get an error.  So

      * in order to allow us to provide good defaults in common-config-defaults.xml, we will filter these out

      * if useQuartzDatabase=false

      */

     protected boolean propertyShouldBeFiltered(boolean useQuartzDatabase, String propertyName) {

             if (!useQuartzDatabase) {

                     if (propertyName.startsWith(QUARTZ_TABLE_PREFIX) || propertyName.startsWith(QUARTZ_IS_CLUSTERED)) {

                             return true;

                     }

             }

             return false;

     }

     @Override

     public Class getObjectType() {

         return Properties.class;

     }

 }