1	// AssignCommand.java
     2	//
     3	// For final project, cs110. 
     4	// Based on Juno shell command.
     5	// Ethan Bolker  Spring 2004
     6	
     7	import java.util.*;
     8	
     9	/**
    10	 * The WISE command to assign a Professor to a course
    11	 */
    12	public class AssignCommand extends WISECommand 
    13	{
    14	    private final static String USAGE =
    15		"usage: assign course professor";
    16	
    17	    /**
    18	     * Assign a professor to a course.
    19	     *
    20	     * @param args the remainder of the command line.
    21	     * @param wise the current WISE.
    22	     *
    23	     * @exception WISEException for reporting errors
    24	     */
    25	    public void doIt( StringTokenizer args, WISE wise )
    26		 throws WISEException  
    27	    {
    28		try {
    29		    String courseName    = args.nextToken();
    30		    String professorName = args.nextToken();
    31		    Professor professor  = wise.getProfessor(professorName);
    32		    Course course        = wise.getCourse(courseName);
    33		    course.add(professor);
    34		}
    35		catch( NoSuchElementException e ) {
    36		    throw new WISEException( USAGE );
    37		}
    38	    }
    39	}