Manage multiple potion effects on multiple players at once

PotionEffectsManager.java

package wa.was.blastradius.blasts;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;

import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.Color;
import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;

/*************************
 * 
	Copyright (c) 2017 Jordan Thompson (WASasquatch)
	
	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:
	
	The above copyright notice and this permission notice shall be included in all
	copies or substantial portions of the Software.
	
	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	SOFTWARE.

	PotionEffectsManager#generateEffectsFromConfig() renders from the plugin
	config. Below is an example of the configurations YAML format:
	
	potion-effects:
	  Effect_Name:
	    type: PotionEffectType
	    duration: TICKS
	    amplifier: DOUBLE
	    ambient: BOOLEAN
	    particles: BOOLEAN
	    color: Color
	
	For PotionEffectType's see: https://hub.spigotmc.org/javadocs/spigot/org/bukkit/potion/PotionEffectType.html
	For Color's see: https://hub.spigotmc.org/javadocs/spigot/org/bukkit/Color.html
	
*
**************************/

public class PotionEffectsManager {

    private Collection<Player> effectedPlayers = new ArrayList<Player>();
    private Collection<PotionEffect> potionEffects = new ArrayList<PotionEffect>();
    private boolean hasParsedConfig = false;
    private HashMap<String, Color> colors = new HashMap<String, Color>() {
        private static final long serialVersionUID = 323135985062054098L; {
            put("AQUA", Color.AQUA);
            put("BLACK", Color.BLACK);
            put("BLUE", Color.BLUE);
            put("FUCHSIA", Color.FUCHSIA);
            put("GRAY", Color.GRAY);
            put("GREEN", Color.GREEN);
            put("LIME", Color.LIME);
            put("MAROON", Color.MAROON);
            put("NAVY", Color.NAVY);
            put("OLIVE", Color.OLIVE);
            put("ORANGE", Color.ORANGE);
            put("PRUPLE", Color.PURPLE);
            put("RED", Color.RED);
            put("SILVER", Color.SILVER);
            put("TEAL", Color.TEAL);
            put("WHIE", Color.WHITE);
            put("YELLOW", Color.YELLOW);
        }
    };
    private HashMap<String, PotionEffectType> effectTypes = new HashMap<String, PotionEffectType>() {
        private static final long serialVersionUID = 7862567811034165045L; {
            for ( PotionEffectType type: PotionEffectType.values() ) {
	        if (type != null && type.getName() != null ) {
                    put(type.getName(), type);
	        }
            }
        }
    };

    public boolean addAllEffects(Collection<PotionEffect> effects) {
        return potionEffects.addAll(effects);
    }

    public boolean addEffect(PotionEffect effect) {
        return potionEffects.add(effect);
    }

    public boolean addAllPlayers(Collection<Player> players) {
        return effectedPlayers.addAll(players);
    }

    public boolean addPlayer(Player player) {
        return effectedPlayers.add(player);
    }

    public boolean addPlayersInRadius(Location center, World world, int radius, boolean ellipsis) {
        Collection<Player> ep = new ArrayList<Player>();
        List<Player> players = world.getPlayers();
        if ( ellipsis ) {
        	radius = ( radius * radius );
        }
        for ( Player player : players ) {
	        if ( center.distanceSquared(player.getLocation()) <= radius ) {
	            ep.add(player);
	        }
        }
        if ( ep.size() > 0 ) {
            addAllPlayers(ep);
            return true;
        }
        return false;
    }

    public void applyEffectsToAll() {
        for ( Player player: effectedPlayers ) {
            player.addPotionEffects(potionEffects);
        }
    }

    public boolean applyEffectsToPlayer(Player player) {
        return player.addPotionEffects(potionEffects);
    }
    
    public Collection<PotionEffect> getPotionEffects() {
    	return potionEffects;
    }
    
    public Collection<Player> getPlayers() {
    	return effectedPlayers;
    }
    
    public boolean hasParsedConfig() {
    	return hasParsedConfig;
    }

    public boolean removeAllEffects(Collection<PotionEffect> effects) {
        return potionEffects.removeAll(effects);
    }

    public boolean removeEffect(PotionEffect effect) {
        return potionEffects.remove(effect);
    }

    public boolean removeAllPlayers(Collection<Player> players) {
        return effectedPlayers.removeAll(players);
    }

    public boolean removePlayer(Player player) {
        return effectedPlayers.remove(player);
    }
    
    public void reset() {
    	resetEffects();
    	resetPlayers();
    }

    public void resetEffects() {
        potionEffects = new ArrayList<PotionEffect>();
    }
    
    public void resetPlayers() {
        effectedPlayers = new ArrayList<Player>();
    }

    public void generateEffectsFromConfig(FileConfiguration config) {

    	try {
    	
	        for (String effectName: config.getConfigurationSection("potion-effects").getKeys(false)) {
	
	            if ( effectTypes.containsKey(config.getString("potion-effects." + effectName + ".type").toUpperCase()) ) {
	                if ( config.getString("potion-effects." + effectName + ".color") != null &&
	                    colors.containsKey(config.getString("potion-effects." + effectName + ".color")) ) {
	                    potionEffects.add(
	                        new PotionEffect(effectTypes.get(config.getString("potion-effects." + effectName + ".type").toUpperCase()),
	                            config.getInt("potion-effects." + effectName + ".duration"),
	                            config.getInt("potion-effects." + effectName + ".amplifier"),
	                            config.getBoolean("potion-effects." + effectName + ".ambient"),
	                            config.getBoolean("potion-effects." + effectName + ".particles"),
	                            colors.get(config.getString("potion-effects." + effectName + ".color"))));
	                } else {
	                    potionEffects.add(
	                        new PotionEffect(effectTypes.get(config.getString("potion-effects." + effectName + ".type").toUpperCase()),
	                            config.getInt("potion-effects." + effectName + ".duration"),
	                            config.getInt("potion-effects." + effectName + ".amplifier"),
	                            config.getBoolean("potion-effects." + effectName + ".ambient"),
	                            config.getBoolean("potion-effects." + effectName + ".particles")));
	                }
	            }
	
	        }
        
    	} catch(Exception e) {
    		
    		e.printStackTrace();
    		
    	}
        
        hasParsedConfig = true;

    }

}