package exercise5;

/**
 * Author: W. M. Farmer <BR>
 * Revised: March 19, 2007 <BR>
 * <BR>
 * Description: Exception that results when an index is out of range. 
 *
 * @author W. M. Farmer
 */
public class BadIndexException extends Exception {

    private Element element_;
    private int index_;

    /**
     * Constructs the BadIndexException.
     *
     * @param e the Element that raised the exception
     * @param i the index that raised the exception
     */
    public BadIndexException(Element e, int i) {
        element_ = e;
        index_ = i;
    }
  
    /**
     * Creates a String description of the exception.
     *
     * @return a String
     */
    public String toString() {
        return "exercise5.BadIndexException: The Element " +
            element_.toString() + 
            " does not have an entry at index" +
            String.valueOf(index_) +
            ".";
    }

}