Added documentation, error checks

src/main/java/buttondevteam/lib/chat/TBMCChatAPI.java

@@ -75,6 +75,8 @@ public class TBMCChatAPI {
 					continue;
 				TBMCCommandBase c = cmd.newInstance();
 				c.plugin = plugin;
+				if (!CheckForNulls(plugin, c))
+					continue;
 				commands.put(c.GetCommandPath(), c);
 			} catch (InstantiationException e) {
 				TBMCCoreAPI.SendException("An error occured while registering command " + cmd.getName(), e);
@@ -110,6 +112,8 @@ public class TBMCChatAPI {
 			else
 				c = thecmdclass.newInstance();
 			c.plugin = plugin;
+			if (!CheckForNulls(plugin, c))
+				return;
 			commands.put(c.GetCommandPath(), c);
 		} catch (Exception e) {
 			TBMCCoreAPI.SendException("An error occured while registering command " + thecmdclass.getSimpleName(), e);
@@ -133,6 +137,8 @@ public class TBMCChatAPI {
 	 *            The command to add
 	 */
 	public static void AddCommand(JavaPlugin plugin, TBMCCommandBase cmd) {
+		if (!CheckForNulls(plugin, cmd))
+			return;
 		plugin.getLogger().info("Registering command /" + cmd.GetCommandPath() + " for " + plugin.getName());
 		try {
 			cmd.plugin = plugin;
@@ -141,4 +147,17 @@ public class TBMCChatAPI {
 			TBMCCoreAPI.SendException("An error occured while registering command " + cmd.GetCommandPath(), e);
 		}
 	}
+
+	private static boolean CheckForNulls(JavaPlugin plugin, TBMCCommandBase cmd) {
+		if (cmd == null) {
+			TBMCCoreAPI.SendException("An error occured while registering a command for plugin " + plugin.getName(),
+					new Exception("The command is null!"));
+			return false;
+		} else if (cmd.GetCommandPath() == null) {
+			TBMCCoreAPI.SendException("An error occured while registering command " + cmd.getClass().getSimpleName()
+					+ " for plugin " + plugin.getName(), new Exception("The command path is null!"));
+			return false;
+		}
+		return true;
+	}
 }

src/main/java/buttondevteam/lib/chat/TBMCCommandBase.java

@@ -3,6 +3,13 @@ package buttondevteam.lib.chat;
 import org.bukkit.command.CommandSender;
 import org.bukkit.plugin.Plugin;
 
+/**
+ * Extend this class to create new TBMCCommand and use {@link TBMCChatAPI#AddCommand(org.bukkit.plugin.java.JavaPlugin, TBMCCommandBase)} to add it. <u><b>Note:</b></u> The command path (command name
+ * and subcommand arguments) will be the class name by default, removing any "command" from it. To change it (especially for subcommands), override {@link #GetCommandPath()}.
+ * 
+ * @author Norbi
+ *
+ */
 public abstract class TBMCCommandBase {
 
 	public TBMCCommandBase() {