package org.kuali.ole.ingest.function;
   
   import org.kuali.ole.DataCarrierService;
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.describe.service.DiscoveryHelperService;
   import org.kuali.ole.ingest.util.OCLCUtil;
   import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
   import org.kuali.rice.krms.framework.engine.Function;
   
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Created with IntelliJ IDEA.
   * User: ?
   * Date: 12/10/12
   * Time: 1:59 PM
   * To change this template use File | Settings | File Templates.
   */
  public class OCLCFunction implements Function {
  
      private DiscoveryHelperService discoveryHelperService;
      @Override
      public Object invoke(Object... arguments) {
          DataCarrierService dataCarrierService = GlobalResourceLoader.getService(OLEConstants.DATA_CARRIER_SERVICE);
          String existingDocstoreField = (String)(arguments[0]);
          String oclc = (String)(arguments[1]);
          if(oclc != null){
              String normalizedOclc = null;
              try{
                  normalizedOclc = new OCLCUtil().normalizedOclc(oclc);
              }
              catch (Exception e) {
                  e.printStackTrace();
              }
              List list = getDiscoveryHelperService().getResponseFromSOLR(existingDocstoreField, normalizedOclc);
              if(list.size() >= 1){
                  dataCarrierService.addData(OLEConstants.BIB_INFO_LIST_FROM_SOLR_RESPONSE, list);
                  return true;
              }
          }
          return false;
      }
  
      /**
       *  Gets the discoveryHelperService instances
       * @return  DiscoveryHelperService
       */
      public DiscoveryHelperService getDiscoveryHelperService() {
          if (null == discoveryHelperService) {
              discoveryHelperService = new DiscoveryHelperService();
          }
          return discoveryHelperService;
      }
  
      /**
       *   Sets the discoveryHelperService attribute value.
       * @param discoveryHelperService
       */
      public void setDiscoveryHelperService(DiscoveryHelperService discoveryHelperService) {
          this.discoveryHelperService = discoveryHelperService;
      }
  
  }