Brewery/src/com/dre/brewery/api/events/barrel/BarrelDestroyEvent.java

package com.dre.brewery.api.events.barrel;

import com.dre.brewery.Barrel;
import org.bukkit.block.Block;
import org.bukkit.entity.Player;
import org.bukkit.event.Cancellable;
import org.bukkit.event.HandlerList;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * A Barrel is being destroyed by something, may not be by a Player
 * A BarrelRemoveEvent will be called after this, if this is not cancelled
 * Use the BarrelRemoveEvent to monitor any and all barrels being removed in a non cancellable way
 * Cancelling the Event will stop the barrel from being destroyed
*/
public class BarrelDestroyEvent extends BarrelEvent implements Cancellable {
	private static final HandlerList handlers = new HandlerList();
	private final Block broken;
	private final Reason reason;
	private final Player player;
	private boolean cancelled;

	public BarrelDestroyEvent(Barrel barrel, Block broken, Reason reason, Player player) {
		super(barrel);
		this.broken = broken;
		this.player = player;
		this.reason = reason;
	}

	@Override
	public boolean isCancelled() {
		return cancelled;
	}

	/**
	 * Cancelling the Event will stop the barrel from being destroyed.
	 * Any Blocks that are part of the barrel will not be destroyed
	 */
	@Override
	public void setCancelled(boolean cancelled) {
		this.cancelled = cancelled;
	}

	/**
	 * @return The Block of the Barrel that was broken
	 */
	public Block getBroken() {
		return broken;
	}

	/**
	 * @return The Reason of destruction of this barrel, see Reason
	 */
	public Reason getReason() {
		return reason;
	}

	/**
	 * If a Player was recorded destroying the barrel
	 */
	public boolean hasPlayer() {
		return player != null;
	}

	/**
	 * @return The Player, Null if no Player is involved
	 */
	@Nullable
	public Player getPlayerOptional() {
		return player;
	}

	@NotNull
	@Override
	public HandlerList getHandlers() {
		return handlers;
	}

	// Required by Bukkit
	public static HandlerList getHandlerList() {
		return handlers;
	}

	public enum Reason {
		/**
		 * A Player Broke the Barrel
		 */
		PLAYER,

		/**
		 * A Block was broken by something
		 */
		BROKEN,

		/**
		 * A Block burned away
		 */
		BURNED,

		/**
		 * The Barrel exploded somehow
		 */
		EXPLODED,

		/**
		 * The Barrel was broken somehow else
		 */
		UNKNOWN
	}
}