1	// WISECommand.java
     2	//
     3	// For final project, cs110. 
     4	// Based on Juno shell command dispatch table.
     5	// Ethan Bolker  Spring 2004
     6	
     7	import java.util.StringTokenizer;
     8	
     9	/**
    10	 * Model those features common to all WISE commands. 
    11	 * 
    12	 * Each concrete extension of this class provides a constructor 
    13	 * and an implementation for method doIt.
    14	 */
    15	
    16	public abstract class WISECommand 
    17	{
    18	    /**
    19	     * Execute the command.
    20	     *
    21	     * @param args the remainder of the command line.
    22	     * @param sh   the current WISE
    23	     *
    24	     * @exception WISEException for reporting errors
    25	     */
    26	    public abstract void doIt( StringTokenizer args, WISE sh )
    27	        throws WISEException;
    28	}