ArenaManager Resource 1

ArenaManager.java

package me.ultimate.Arena;

import java.util.ArrayList;
import java.util.List;

import org.bukkit.entity.Player;

public class ArenaManager {

  // An list to hold all of the arenas
	private static List<Arena> arenas = new ArrayList<Arena>();

	// Method to register an arena if not registered, just adds it to the list
	public static void addArena(Arena arena) {
		if (!arenaRegistered(arena)) {
			arenas.add(arena);
		}
	}

	/*
	 * Removing a registered arena, a case of this would be a command to delete
	 * an arena
	 */
	public static void removeArena(Arena arena) {
		if (arenaRegistered(arena)) {
			arenas.remove(arena);
		}
	}

	// Method to check if the arena has already been registered
	public static boolean arenaRegistered(Arena arena) {
		return arenas.contains(arena);
	}

	/*
	 * Method to check if an arena by a name has been registered. Example case
	 * would be a creation command saying that you can't have two arenas by the
	 * same name registered
	 */
	public static boolean arenaRegistered(String name) {
		return getArena(name) != null;
	}

	/*
	 * Gets the arena by it's name. If you don't want it to return null, check
	 * if it exists first
	 */
	public static Arena getArena(String name) {
		for (Arena arena : arenas) {
			if (arena.getName().equals(name)) {
				return arena;
			}
		}
		return null;
	}

	// A quick method to add the player to an arena by the arena's name
	public static void addPlayer(Player p, String arenaName) {
		if (arenaRegistered(arenaName)) {
			getArena(arenaName).getPlayerManager().addPlayer(p);
		} else {
			throw new IllegalArgumentException("The arena '" + arenaName + "' doesn't exist!");
		}
	}

}