SpigotDummyFlatMap.java

package com.bergerkiller.bukkit.common.reflection.classes;

import java.util.Arrays;
import java.util.logging.Level;

import com.bergerkiller.bukkit.common.internal.CommonPlugin;
import com.bergerkiller.bukkit.common.reflection.ClassBuilder;
import com.bergerkiller.bukkit.common.utils.CommonUtil;

public class SpigotDummyFlatMap {
	private static final Object INSTANCE;
	static {
		Class<?> flatMapClass = CommonUtil.getClass("org.spigotmc.FlatMap");
		Object flatInstance = null;
		if (flatMapClass == null) {
			CommonPlugin.LOGGER.log(Level.SEVERE, "The Spigot FlatMap class could not be located!");
		} else {
			try {
				// Initialize a new dummy flatmap (that does nothing)
				ClassBuilder builder = new ClassBuilder(flatMapClass, FlatMapImpl.class);
				flatInstance = builder.create(new Class<?>[0], new Object[0], Arrays.asList((Object) new FlatMapImpl()));
			} catch (Throwable t) {
				CommonPlugin.LOGGER.log(Level.SEVERE, "Failed to initialize the Spigot Dummy FlatMap:", t);
			}
		}
		INSTANCE = flatInstance;
	}

	public static Object getInstance() {
		return INSTANCE;
	}

	public static class FlatMapImpl implements FlatMapMethods {
		public Object get(long msw, long lsw) {return null;}
		public Object get(long key) {return null;}
		public void put(long msw, long lsw, Object value) {}
		public void put(long key, Object value) {}
	}

	public static interface FlatMapMethods {
		public Object get(long msw, long lsw);
		public Object get(long key);
		public void put(long msw, long lsw, Object value);
		public void put(long key, Object value);
	}
}