Updated EssentialsSpawn to use the new config code

/spawn and /home now call the PlayerRespawnEvent to make it more compatible with other plugins.

EssentialsSpawn/src/com/earth2me/essentials/spawn/SpawnStorage.java

@@ -0,0 +1,145 @@
+package com.earth2me.essentials.spawn;
+
+import com.earth2me.essentials.IConf;
+import com.earth2me.essentials.IEssentials;
+import com.earth2me.essentials.IEssentialsModule;
+import com.earth2me.essentials.settings.Spawns;
+import com.earth2me.essentials.storage.AbstractDelayedYamlFileReader;
+import com.earth2me.essentials.storage.AbstractDelayedYamlFileWriter;
+import com.earth2me.essentials.storage.StorageObject;
+import java.io.File;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+import org.bukkit.Location;
+import org.bukkit.World;
+
+
+public class SpawnStorage implements IConf, IEssentialsModule
+{
+	private transient Spawns spawns;
+	private final transient IEssentials ess;
+	private final transient File spawnfile;
+	private final transient ReentrantReadWriteLock rwl = new ReentrantReadWriteLock();
+
+	public SpawnStorage(final IEssentials ess)
+	{
+		this.ess = ess;
+		spawnfile = new File(ess.getDataFolder(), "spawn.yml");
+		new SpawnReader();
+	}
+
+	public void setSpawn(final Location loc, final String group)
+	{
+		rwl.writeLock().lock();
+		try
+		{
+			if (spawns.getSpawns() == null)
+			{
+				spawns.setSpawns(new HashMap<String, Location>());
+			}
+			spawns.getSpawns().put(group.toLowerCase(Locale.ENGLISH), loc);
+		}
+		finally
+		{
+			rwl.writeLock().unlock();
+		}
+		new SpawnWriter();
+
+		if ("default".equalsIgnoreCase(group))
+		{
+			loc.getWorld().setSpawnLocation(loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
+		}
+	}
+
+	public Location getSpawn(final String group)
+	{
+		rwl.readLock().lock();
+		try
+		{
+			if (spawns == null || spawns.getSpawns() == null || group == null)
+			{
+				return getWorldSpawn();
+			}
+			final Map<String, Location> spawnMap = spawns.getSpawns();
+			String groupName = group.toLowerCase(Locale.ENGLISH);
+			if (!spawnMap.containsKey(groupName))
+			{
+				groupName = "default";
+			}
+			if (!spawnMap.containsKey(groupName))
+			{
+				return getWorldSpawn();
+			}
+			return spawnMap.get(groupName);
+		}
+		finally
+		{
+			rwl.readLock().unlock();
+		}
+	}
+
+	private Location getWorldSpawn()
+	{
+		for (World world : ess.getServer().getWorlds())
+		{
+			if (world.getEnvironment() != World.Environment.NORMAL)
+			{
+				continue;
+			}
+			return world.getSpawnLocation();
+		}
+		return ess.getServer().getWorlds().get(0).getSpawnLocation();
+	}
+
+	@Override
+	public void reloadConfig()
+	{
+		new SpawnReader();
+	}
+
+
+	private class SpawnWriter extends AbstractDelayedYamlFileWriter
+	{
+		public SpawnWriter()
+		{
+			super(ess, spawnfile);
+		}
+
+		@Override
+		public StorageObject getObject()
+		{
+			rwl.readLock().lock();
+			return spawns;
+		}
+
+		@Override
+		public void onFinish()
+		{
+			rwl.readLock().unlock();
+		}
+	}
+
+
+	private class SpawnReader extends AbstractDelayedYamlFileReader<Spawns>
+	{
+		public SpawnReader()
+		{
+			super(ess, spawnfile, Spawns.class);
+		}
+
+		@Override
+		public void onStart()
+		{
+			rwl.writeLock().lock();
+		}
+
+		@Override
+		public void onFinish(final Spawns object)
+		{
+			spawns = object;
+			rwl.writeLock().unlock();
+		}
+	}
+}