LitHexColor.java

package me.iblitzkriegi.vixio.literals;

import ch.njol.skript.Skript;
import ch.njol.skript.lang.Expression;
import ch.njol.skript.lang.ExpressionType;
import ch.njol.skript.lang.SkriptParser;
import ch.njol.skript.lang.util.SimpleLiteral;
import ch.njol.util.Kleenean;
import org.bukkit.event.Event;

import java.awt.Color;

public class LitHexColor extends SimpleLiteral<Color> {

    static {
        Skript.registerExpression(LitHexColor.class, Color.class, ExpressionType.SIMPLE, "<#.{1,6}>");
    }


    public LitHexColor(Color data) {
        super(data, true);
    }

    private String color;

    @Override
    public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, SkriptParser.ParseResult parseResult) {
       	color = parseResult.regexes.get(0).group(0);

        if (color.matches("#[a-fA-F0-9]{1,6}")) {
            color = new LitHexColor(Color.decode(color));
            return super.init();
        }

        Skript.error(color + " isn't a valid HEX color.");
        return false;
    }

    @Override
    public String toString(Event e, boolean debug) {
        return "#" + color;
    }
}