A polymorph adapter and some text utils.

src/com/massivecraft/mcore5/adapter/PolymorphicAdapter.java

@@ -0,0 +1,76 @@
+package com.massivecraft.mcore5.adapter;
+
+import java.lang.reflect.Type;
+
+
+
+import com.massivecraft.mcore5.util.ClassResolveUtil;
+import com.massivecraft.mcore5.xlib.gson.JsonDeserializationContext;
+import com.massivecraft.mcore5.xlib.gson.JsonDeserializer;
+import com.massivecraft.mcore5.xlib.gson.JsonElement;
+import com.massivecraft.mcore5.xlib.gson.JsonNull;
+import com.massivecraft.mcore5.xlib.gson.JsonObject;
+import com.massivecraft.mcore5.xlib.gson.JsonParseException;
+import com.massivecraft.mcore5.xlib.gson.JsonPrimitive;
+import com.massivecraft.mcore5.xlib.gson.JsonSerializationContext;
+import com.massivecraft.mcore5.xlib.gson.JsonSerializer;
+
+public class PolymorphicAdapter<T> implements JsonDeserializer<T>, JsonSerializer<T>
+{
+	public static final String TYPE = "type";
+	public static final String VALUE = "value";
+	
+	@Override
+	public JsonElement serialize(T src, Type typeOfSrc, JsonSerializationContext context)
+	{
+		if (src == null)
+		{
+			return JsonNull.INSTANCE;
+		}
+		
+		JsonObject ret = new JsonObject();
+		
+		String type = src.getClass().getCanonicalName();
+		ret.addProperty(TYPE, type);
+		
+		JsonElement value = context.serialize(src); 
+		ret.add(VALUE, value);
+		
+		return ret;
+	}
+
+	@Override
+	public T deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException
+	{
+		if (!json.isJsonObject())
+		{
+			throw new JsonParseException("A polymorph must be an object.");
+		}
+		
+		JsonObject jsonObject = json.getAsJsonObject();
+		
+		if (!jsonObject.has(TYPE))
+		{
+			throw new JsonParseException("A polymorph must be have a \""+TYPE+"\" field.");
+		}
+		
+		if (!jsonObject.has(VALUE))
+		{
+			throw new JsonParseException("A polymorph must be have a \"+VALUE+\" field.");
+		}
+		
+		String type = ((JsonPrimitive)jsonObject.get(TYPE)).getAsString();
+		
+		Class<?> typeClass = null;
+		try
+		{
+			typeClass = ClassResolveUtil.resolve(type);
+		}
+		catch (ClassNotFoundException e)
+		{
+			e.printStackTrace();
+			throw new JsonParseException(e.getMessage());
+		}
+		return context.deserialize(jsonObject.get(VALUE), typeClass);
+	}
+}

src/com/massivecraft/mcore5/util/ClassResolveUtil.java

@@ -0,0 +1,57 @@
+package com.massivecraft.mcore5.util;
+
+import java.lang.reflect.Field;
+import java.util.Collection;
+import java.util.Map;
+import java.util.regex.Pattern;
+
+import org.bukkit.Bukkit;
+import org.bukkit.plugin.SimplePluginManager;
+import org.bukkit.plugin.java.JavaPluginLoader;
+
+@SuppressWarnings("unchecked")
+public class ClassResolveUtil
+{
+	protected static Collection<JavaPluginLoader> javaPluginLoaders;
+	
+	static
+	{
+		try
+		{
+			SimplePluginManager pluginManager = (SimplePluginManager)Bukkit.getPluginManager();
+			Field field = SimplePluginManager.class.getDeclaredField("fileAssociations");
+			field.setAccessible(true);
+			Map<Pattern, JavaPluginLoader> fileAssociations = (Map<Pattern, JavaPluginLoader>)field.get(pluginManager);
+			javaPluginLoaders = fileAssociations.values(); // Does this one autoupdate?
+		}
+		catch (Exception e)
+		{
+			e.printStackTrace();
+		}
+	}
+	
+	public static Class<?> resolve(String className) throws ClassNotFoundException
+	{
+		//System.out.println("resolve..."+this.javaPluginLoaders.toString());
+		Class<?> ret = null;
+		for (JavaPluginLoader javaPluginLoader : javaPluginLoaders)
+		{
+			ret = javaPluginLoader.getClassByName(className);
+			if (ret != null)
+			{
+				return ret;
+			}
+		}
+		
+		ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+		
+        try
+        {
+            return classLoader.loadClass(className);
+        }
+        catch (ClassNotFoundException e)
+        {
+            return Class.forName(className, false, classLoader);
+        }
+	}
+}

src/com/massivecraft/mcore5/util/Txt.java

@@ -26,6 +26,11 @@ public class Txt
 	public static final long millisPerMonth  =   31 * millisPerDay;
 	public static final long millisPerYear   =  365 * millisPerDay;
 	
+	public static final Set<String> vowel = MUtil.set(
+		"A", "E", "I", "O", "U", "Y", "Å", "Ä", "Ö",
+		"a", "e", "i", "o", "u", "y", "å", "ä", "ö"
+	); 
+	
 	public static Map<String, Long> unitMillis;
 	
 	static
@@ -328,20 +333,41 @@ public class Txt
 		return new SimpleEntry<String, String>(first, second);
 	}
 	
+	public static boolean isVowel(String str)
+	{
+		if (str == null || str.length() == 0) return false;
+		return vowel.contains(str.substring(0, 1));
+	}
+	
+	public static String aan(String noun)
+	{
+		return isVowel(noun) ? "an" : "a";
+	}
+	
 	// -------------------------------------------- //
 	// Material name tools
 	// -------------------------------------------- //
 	
-	public static String getMaterialName(Material material)
+	public static String getNicedEnumString(String str)
 	{
 		List<String> parts = new ArrayList<String>();  
-		for (String part : material.toString().toLowerCase().split("_"))
+		for (String part : str.toLowerCase().split("_"))
 		{
 			parts.add(upperCaseFirst(part));
 		}
 		return implode(parts, " ");
 	}
 	
+	public static String getNicedEnum(Object enumObject)
+	{
+		return getNicedEnumString(enumObject.toString());
+	}
+	
+	public static String getMaterialName(Material material)
+	{
+		return getNicedEnum(material);
+	}
+	
 	public static String getMaterialName(int materialId)
 	{
 		return getMaterialName(Material.getMaterial(materialId));