Color.java

package forge;

import forge.card.mana.ManaCost;

import java.util.EnumSet;

/**
 * <p>Color class.</p>
 *
 * @author Forge
 * @version $Id: $
 */
public enum Color {
    Colorless(0),
    White(1),
    Green(2),
    Red(4),
    Black(8),
    Blue(16);

    @SuppressWarnings("unused")
    private int flag = 0;

    /**
     * <p>Constructor for Color.</p>
     *
     * @param c a int.
     */
    Color(int c) {
        flag = c;
    }

    /**
     * <p>Colorless.</p>
     *
     * @return a {@link java.util.EnumSet} object.
     */
    public static EnumSet<Color> Colorless() {
        EnumSet<Color> colors = EnumSet.of(Color.Colorless);
        return colors;
    }

    /**
     * <p>ConvertStringsToColor.</p>
     *
     * @param s an array of {@link java.lang.String} objects.
     * @return a {@link java.util.EnumSet} object.
     */
    public static EnumSet<Color> ConvertStringsToColor(String[] s) {
        EnumSet<Color> colors = EnumSet.of(Color.Colorless);

        for (int i = 0; i < s.length; i++) {
            colors.add(ConvertFromString(s[i]));
        }

        if (colors.size() > 1)
            colors.remove(Color.Colorless);

        return colors;
    }

    /**
     * <p>ConvertFromString.</p>
     *
     * @param s a {@link java.lang.String} object.
     * @return a {@link forge.Color} object.
     */
    public static Color ConvertFromString(String s) {
        {
            if (s.equals(Constant.Color.White))
                return Color.White;
            else if (s.equals(Constant.Color.Green))
                return Color.Green;
            else if (s.equals(Constant.Color.Red))
                return Color.Red;
            else if (s.equals(Constant.Color.Black))
                return Color.Black;
            else if (s.equals(Constant.Color.Blue))
                return Color.Blue;

            return Color.Colorless;
        }
    }

    /**
     * <p>ConvertManaCostToColor.</p>
     *
     * @param m a {@link forge.card.mana.ManaCost} object.
     * @return a {@link java.util.EnumSet} object.
     */
    public static EnumSet<Color> ConvertManaCostToColor(ManaCost m) {
        EnumSet<Color> colors = EnumSet.of(Color.Colorless);

        if (m.isColor("W"))
            colors.add(Color.White);
        if (m.isColor("G"))
            colors.add(Color.Green);
        if (m.isColor("R"))
            colors.add(Color.Red);
        if (m.isColor("B"))
            colors.add(Color.Black);
        if (m.isColor("U"))
            colors.add(Color.Blue);

        if (colors.size() > 1)
            colors.remove(Color.Colorless);

        return colors;
    }

    /**
     * <p>toString.</p>
     *
     * @return a {@link java.lang.String} object.
     */
    public String toString() {
        if (this.equals(Color.White))
            return Constant.Color.White;
        else if (this.equals(Color.Green))
            return Constant.Color.Green;
        else if (this.equals(Color.Red))
            return Constant.Color.Red;
        else if (this.equals(Color.Black))
            return Constant.Color.Black;
        else if (this.equals(Color.Blue))
            return Constant.Color.Blue;
        else
            return Constant.Color.Colorless;
    }
}