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import java.util.logging.Level;
import java.util.logging.Logger;


* Provides ability to sort an inhabitants file.
* @author Jeff Trent
* @since 3.1
public class InhabitantsSorter extends Constants {

  private static Logger logger = Logger.getLogger(InhabitantsSorter.class.getName());
  protected InhabitantsSorter() {}

   * Requires {@link Constants#PARAM_INHABITANT_SOURCE_FILE} and
   * {@link Constants#PARAM_INHABITANT_TARGET_FILE} to be passed.
   * @param args not used
   * @throws Exception
  public static void main(String[] args) throws Exception {
    File sourceInhabitantFile = InhabitantsGenerator.getInhabitantFile(PARAM_INHABITANT_SOURCE_FILE, false);
    if (!sourceInhabitantFile.exists()) {
      logger.log(Level.INFO, "Nothing to do.");
    File targetInhabitantFile = InhabitantsGenerator.getInhabitantFile(PARAM_INHABITANT_TARGET_FILE, false);
    InhabitantsDescriptor inDescriptor = new InhabitantsDescriptor();
    logger.log(Level.FINE, "source file is {0}", sourceInhabitantFile);

    InhabitantsDescriptor outDescriptor = new InhabitantsDescriptor();
    InhabitantsFilter.process(inDescriptor, outDescriptor, null);
    InhabitantsFilter.writeInhabitantsFile(targetInhabitantFile, outDescriptor, true);


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