import java.util.Observable;
/**
 * Wrapper to call the sorting algorithm on a line
 * 
 * @author Alexander Schaap
 *
 * @param <T> type of the words
 */
public class Alphabetizer<T extends Comparable<T>> implements AlphabetizerInterface {
    // lineNumber is forced to be Object because of Observer's interface
    @Override
    public void update(Observable o, Object sortingAlgorithm) {
    	// two SupressWarnings for casting types that are restricted by Observer
        @SuppressWarnings("unchecked")
        LineStorageInterface<WordInterface<T>[][]> sls = (LineStorageInterface<WordInterface<T>[][]>) o;
        @SuppressWarnings("unchecked")
        SortInterface<T> algorithm = (SortInterface<T>) sortingAlgorithm;
        WordInterface<T>[][] line = sls.getLine(sls.length()-1);
        algorithm.sort(line);
        sls.setLine(sls.length()-1, line);
    }
}