/*
    * 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.ole.sys.batch;
  
  import java.sql.Timestamp;
  import java.util.Date;
  
  import org.apache.commons.lang.time.DateUtils;
  import org.kuali.ole.sys.OLEConstants;
  import org.kuali.rice.krad.service.SessionDocumentService;
  
  public class PurgeSessionDocumentsStep extends AbstractStep {
      private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(PurgeSessionDocumentsStep.class);
  
      protected SessionDocumentService sessionDocumentService;
  
      /**
       * @see org.kuali.ole.sys.batch.Step#execute(java.lang.String, java.util.Date)
       */
      public boolean execute(String jobName, Date jobRunDate) {
          try {
              LOG.info("executing PurgeSessionDocumentsStep");
              String maxAgeInDaysStr = parameterService.getParameterValueAsString(PurgeSessionDocumentsStep.class, OLEConstants.SystemGroupParameterNames.NUMBER_OF_DAYS_SINCE_LAST_UPDATE);
              int maxAgeInDays = Integer.parseInt(maxAgeInDaysStr);
  
              Timestamp expirationDate = new Timestamp(DateUtils.addDays(getDateTimeService().getCurrentDate(), -maxAgeInDays).getTime());
  
              sessionDocumentService.purgeAllSessionDocuments(expirationDate);
              return true;
          }
          catch (Exception e) {
              LOG.error("error occured trying to purge session document from DB: ", e);
          }
          return false;
      }
  
      public void setSessionDocumentService(SessionDocumentService sessionDocumentService) {
          this.sessionDocumentService = sessionDocumentService;
      }
  
  
  }