Make an adapter for the board to serialize the one and only inner map only

src/com/massivecraft/factions/Board.java

@@ -1,6 +1,7 @@
 package com.massivecraft.factions;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -50,8 +51,24 @@ public class Board extends Entity<Board, String> implements BoardInterface
 	// FIELDS
 	// -------------------------------------------- //
 	
-	// TODO: Make TerritoryAccess immutable!
+	// TODO: Make TerritoryAccess immutable.
-	private ConcurrentSkipListMap<PS, TerritoryAccess> map = new ConcurrentSkipListMap<PS, TerritoryAccess>();
+	
+	private ConcurrentSkipListMap<PS, TerritoryAccess> map;
+	public Map<PS, TerritoryAccess> getMap() { return Collections.unmodifiableMap(this.map); }
+	
+	// -------------------------------------------- //
+	// CONSTRUCT
+	// -------------------------------------------- //
+	
+	public Board()
+	{
+		this.map = new ConcurrentSkipListMap<PS, TerritoryAccess>();
+	}
+	
+	public Board(Map<PS, TerritoryAccess> map)
+	{
+		this.map = new ConcurrentSkipListMap<PS, TerritoryAccess>(map);
+	}
 	
 	// -------------------------------------------- //
 	// OVERRIDE: BOARD

src/com/massivecraft/factions/Factions.java

@@ -4,6 +4,7 @@ import java.lang.reflect.Modifier;
 import java.util.ArrayList;
 import java.util.Arrays;
 
+import com.massivecraft.factions.adapters.BoardAdapter;
 import com.massivecraft.factions.adapters.FFlagAdapter;
 import com.massivecraft.factions.adapters.FPermAdapter;
 import com.massivecraft.factions.adapters.LazyLocationAdapter;
@@ -135,6 +136,7 @@ public class Factions extends MPlugin
 		.excludeFieldsWithModifiers(Modifier.TRANSIENT, Modifier.VOLATILE)
 		.registerTypeAdapter(LazyLocation.class, new LazyLocationAdapter())
 		.registerTypeAdapter(TerritoryAccess.class, TerritoryAccessAdapter.get())
+		.registerTypeAdapter(Board.class, BoardAdapter.get())
 		.registerTypeAdapter(Rel.class, new RelAdapter())
 		.registerTypeAdapter(FPerm.class, new FPermAdapter())
 		.registerTypeAdapter(FFlag.class, new FFlagAdapter());

src/com/massivecraft/factions/adapters/BoardAdapter.java

@@ -0,0 +1,46 @@
+package com.massivecraft.factions.adapters;
+
+import java.lang.reflect.Type;
+import java.util.Map;
+
+import com.massivecraft.mcore.ps.PS;
+import com.massivecraft.mcore.xlib.gson.JsonDeserializationContext;
+import com.massivecraft.mcore.xlib.gson.JsonDeserializer;
+import com.massivecraft.mcore.xlib.gson.JsonElement;
+import com.massivecraft.mcore.xlib.gson.JsonParseException;
+import com.massivecraft.mcore.xlib.gson.JsonSerializationContext;
+import com.massivecraft.mcore.xlib.gson.JsonSerializer;
+import com.massivecraft.mcore.xlib.gson.reflect.TypeToken;
+
+import com.massivecraft.factions.Board;
+import com.massivecraft.factions.TerritoryAccess;
+
+public class BoardAdapter implements JsonDeserializer<Board>, JsonSerializer<Board>
+{
+	// -------------------------------------------- //
+	// INSTANCE & CONSTRUCT
+	// -------------------------------------------- //
+	
+	private static BoardAdapter i = new BoardAdapter();
+	public static BoardAdapter get() { return i; }
+	
+	//----------------------------------------------//
+	// OVERRIDE
+	//----------------------------------------------//
+
+	private static final Type mapType = new TypeToken<Map<PS, TerritoryAccess>>(){}.getType();
+	
+	@SuppressWarnings("unchecked")
+	@Override
+	public Board deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException
+	{
+		return new Board((Map<PS, TerritoryAccess>) context.deserialize(json, mapType));
+	}
+
+	@Override
+	public JsonElement serialize(Board src, Type typeOfSrc, JsonSerializationContext context)
+	{
+		return context.serialize(src.getMap(), mapType);
+	}
+	
+}