Advanced String arg reader pls

src/com/massivecraft/mcore/cmd/arg/ARStringAdv.java

@@ -0,0 +1,80 @@
+package com.massivecraft.mcore.cmd.arg;
+
+import java.util.List;
+
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.BookMeta;
+import org.bukkit.inventory.meta.ItemMeta;
+
+import com.massivecraft.mcore.util.Txt;
+
+public class ARStringAdv extends ArgReaderAbstract<String>
+{
+	// -------------------------------------------- //
+	// INSTANCE & CONSTRUCT
+	// -------------------------------------------- //
+	
+	private static ARStringAdv i = new ARStringAdv();
+	public static ARStringAdv get() { return i; }
+	
+	// -------------------------------------------- //
+	// OVERRIDE
+	// -------------------------------------------- //
+	
+	@Override
+	public ArgResult<String> read(String arg, CommandSender sender)
+	{
+		// Prepare
+		ArgResult<String> ret = new ArgResult<String>(arg);
+		if (arg == null) return ret;
+		
+		// null
+		if (arg.equalsIgnoreCase("null"))
+		{
+			ret.setResult(null);
+			return ret;
+		}
+		
+		// book
+		if (arg.equalsIgnoreCase("book"))
+		{
+			String bookText = getBookText(sender);
+			ret.setResult(bookText);
+			if (!ret.hasResult())
+			{
+				ret.getErrors().add("<b>No book content detected.");
+			}
+			return ret;
+		}
+		
+		if (!ret.hasResult())
+		{
+			ret.getErrors().add("<b>No sound matches \"<h>"+arg+"<b>\".");
+			ret.getErrors().add("<aqua>https://github.com/Bukkit/Bukkit/blob/master/src/main/java/org/bukkit/Sound.java");
+		}
+		return ret;
+	}
+	
+	// -------------------------------------------- //
+	// UTIL
+	// -------------------------------------------- //
+	
+	public static String getBookText(CommandSender sender)
+	{
+		if (sender == null) return null;
+		if (!(sender instanceof HumanEntity)) return null;
+		HumanEntity human = (HumanEntity)sender;
+		ItemStack item = human.getItemInHand();
+		if (item == null) return null;
+		if (!item.hasItemMeta()) return null;
+		ItemMeta itemMeta = item.getItemMeta();
+		if (!(itemMeta instanceof BookMeta)) return null;
+		BookMeta bookMeta = (BookMeta)itemMeta;
+		if (!bookMeta.hasPages()) return null;
+		List<String> pages = bookMeta.getPages();
+		return Txt.implode(pages, "\n\n");
+	}
+	
+}