package org.kuali.mobility.bus.dao.helper;
   
   import java.io.InputStream;
   import java.util.List;
   import org.apache.log4j.Logger;
   
   import com.thoughtworks.xstream.XStream;
   
   public class BusStopNameUtil {
  
      public static Logger LOG = Logger.getLogger(BusStopNameUtil.class);
      private String busStopNameMappingFile;
      private List<UMBusStopName> busStopNames;
  
      public BusStopNameUtil() {
      }
  
      @SuppressWarnings("unchecked")
      public void loadStopNames() {
          LOG.debug( "Preparing to load bus stop name mappings from "+getBusStopNameMappingFile() );
          XStream xstream = new XStream();
          xstream.processAnnotations(UMBusStopNames.class);
          xstream.processAnnotations(UMBusStopName.class);
          InputStream stream = this.getClass().getClassLoader().getResourceAsStream(getBusStopNameMappingFile());
          UMBusStopNames stopnames = null;
          try {
              stopnames = (UMBusStopNames) xstream.fromXML(stream);
              this.setBusStopNames(stopnames.getStopnames());
              LOG.debug("Loaded " + getBusStopNames().size() + " bus stopnames ");
          } catch (Exception e) {
              LOG.error( e.getLocalizedMessage(), e );
          }
      }
  
      public String updateBusStopName(String name) {
          String stopName = new String();
          if( null != name ) {
              for (UMBusStopName sn : this.getBusStopNames()) {
                  LOG.debug( "N1 ["+sn.getName1()+"] N2 ["+sn.getName2()+"]");
                  if (sn.getName1().equalsIgnoreCase(name)) {
                      stopName = sn.getName2();
                      break;
                  } else {
                      stopName = name;
                  }
              }
          }
          else {
              stopName=name;
          }
          return stopName;
  
      }
  
      public List<UMBusStopName> getBusStopNames() {
          if ( busStopNames == null || busStopNames.isEmpty() ) {
              LOG.debug( "Bus Stop name mappings are not loaded.  Attempting to load them." );
              loadStopNames();
          }
          return busStopNames;
      }
  
      public void setBusStopNames(List<UMBusStopName> busStopNames) {
          this.busStopNames = busStopNames;
      }
  
      /**
       * @return the busStopNameMappingFile
       */
      public String getBusStopNameMappingFile() {
          return busStopNameMappingFile;
      }
  
      /**
       * @param busStopNameMappingFile the busStopNameMappingFile to set
       */
      public void setBusStopNameMappingFile(String mappingFile) {
          this.busStopNameMappingFile = mappingFile;
      }
  }