package org.kuali.ole.location.rule;
   
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.location.bo.OleLocation;
   import org.kuali.rice.krad.maintenance.MaintenanceDocument;
   import org.kuali.rice.krad.rules.MaintenanceDocumentRuleBase;
   
   import java.util.HashMap;
   import java.util.List;
  import java.util.Map;
  
  /**
   * OleLocationRule validates maintenance object for Ole Location Maintenance Document
   */
  
  public class OleLocationRule extends MaintenanceDocumentRuleBase{
  
      protected boolean processCustomSaveDocumentBusinessRules(MaintenanceDocument document) {
          boolean isValid = true;
          OleLocation oleLocation = (OleLocation) document.getNewMaintainableObject().getDataObject();
          isValid &= validateLocationCode(oleLocation);
          return isValid;
      }
  
      /**
       *   This method  validates duplicate oleLocation code and return boolean value.
       *  @param oleLocation
       * @return boolean
       */
      private boolean validateLocationCode(OleLocation oleLocation) {
          if (oleLocation.getLocationCode() != null) {
              Map<String, String> criteria = new HashMap<String, String>();
              criteria.put(OLEConstants.LOC_CD, oleLocation.getLocationCode());
              List<OleLocation> oleLocationInDatabase = (List<OleLocation>) getBoService().findMatching(OleLocation.class, criteria);
              if ((oleLocationInDatabase.size() > 0)) {
                  for (OleLocation oleLocationObj : oleLocationInDatabase) {
                      String locationId =oleLocationObj.getLocationId();
                      if (null == oleLocation.getLocationId() || (oleLocation.getLocationId() != locationId)) {
                          this.putFieldError(OLEConstants.LOC_CODE, "error.duplicate.code");
                          return false;
                      }
                  }
              }
          }
          return true;
      }
  }