import java.awt.Color;
import java.io.*;
import java.util.Scanner;
import java.util.Vector;
import java.util.Hashtable;
/**
 * A class that can be used to retrieve Color objects
 * by name (using the W3C names defined in
 * http://www.w3.org/TR/2003/CR-css3-color-20030514/ )
 */
public class ColorFinder
{
 
  // original
   // private Color[]        colors;       
   // private String[]       names;
 // part 4
     // private Vector colors;
     // private Vector names;
  // part 5
     // private Vector <Color>   colors;
	  //	private Vector <String>  names;
  // part 6
     private Hashtable<String, Color>   colors;

    /**
     * Default Constructor
     */
    public ColorFinder() throws IOException
    {
       Color          value;       
       int            blue, green, red;       
       Scanner        in;
       String         key;
       
    // original   
      // colors = new Color[147];
      // names  = new String[147];
    // part 4
      // colors = new Vector();    // or   colors = new Vector (147);
		//	names = new Vector ();    // or   names = new Vector (147);    
	// part 5
	    //  colors = new Vector <Color>() ;
		//	names  = new Vector <String>();
   // part 6
	    colors = new Hashtable<String, Color> ();
		 		
			
       in = new Scanner(new File("colors.txt"));

       for (int i=0; in.hasNext(); i++)
       {
          key       = in.next();
          red       = in.nextInt();
          green     = in.nextInt();
          blue      = in.nextInt();
          value     = new Color(red, green, blue);          
    
	  // original
	       // names[i]  = key;
         // colors[i] = value;
	  // parts 4 & 5
 			// names.add(key);
			// colors.add(value);         
		// part 6
		   colors.put (key, value);	 
       }
    }


    /**
     * Get the Color with the given name/description
     *
     * @param   description  The name/description of the Color
     * @return               The Color (or null if no such name exists)
     */
    public Color getColor(String description)
    {
       Color           result;
      // parts 3,4,& 5
		// String 			  key; 
       result = null;
    
	   // parts 3,4,& 5
      //	    for (int i = 0; i < names.size() && result == null; i++)
		// {  
		    //part 4
		    // key = (String) names.elementAt(i);
			 // part 5
			// key = names.elementAt(i);
			// if (description.equals(key))
			// {
          // part 4
			 //  result = (Color) colors.elementAt(i);
			 // part 5
			 //result = colors.elementAt(i);
			 // part 6
			  result = colors.get(description);
		//	 }
      // }
       return result;       
    }
    
}