package org.kuali.ole.service.impl;
   
   import org.apache.log4j.Logger;
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.docstore.common.document.content.bib.marc.SubField;
   import org.kuali.ole.service.*;
   import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
   
   import java.util.*;
  
  /**
   * Created by IntelliJ IDEA.
   * User: premkb
   * Date: 2/2/13
   * Time: 7:35 PM
   * To change this template use File | Settings | File Templates.
   */
  public class OverlayLookupTableServiceImpl implements OverlayLookupTableService {
  
      private static final Logger LOG = Logger.getLogger(OverlayLookupTableServiceImpl.class);
      private OverlayDataFieldService overlayDataFieldService;
      @Override
      public String getFieldValueFromSubField(String incomingField,LinkedHashMap<String,SubField> subFieldMap)throws Exception{
          String incomingFieldValue = null;
          SubField subField = subFieldMap.get(incomingField);
          if(subField != null){
              incomingFieldValue = subField.getValue();
          }
          return incomingFieldValue;
      }
      public OverlayDataFieldService getOverlayDataFieldService() {
          if(overlayDataFieldService == null){
              overlayDataFieldService = GlobalResourceLoader.getService(OLEConstants.OVERLAY_DATAFIELD_SERVICE);
          }
          return overlayDataFieldService;
      }
  
      public void setOverlayDataFieldService(OverlayDataFieldService overlayDataFieldService) {
          this.overlayDataFieldService = overlayDataFieldService;
      }
  }