Fix SWCommand with 0 args, Add SWException option to get ID

Signed-off-by: Lixfel <git-5w3l@lixfel.de>

src/de/steamwar/command/AbstractSWCommand.java

@@ -102,7 +102,7 @@ public abstract class AbstractSWCommand<T> {
 
     protected final List<String> tabComplete(T sender, String alias, String[] args) throws IllegalArgumentException {
         initialize();
-        String string = args.length > 0 ? args[args.length - 1].toLowerCase() : "";
+        String string = args[args.length - 1].toLowerCase();
         return Stream.concat(commandList.stream(), helpCommandList.stream())
                 .filter(s -> !s.noTabComplete)
                 .map(s -> s.tabComplete(sender, args))

src/de/steamwar/sql/SWException.java

@@ -52,10 +52,17 @@ public class SWException {
     private final String stacktrace;
 
     public static void log(String message, String stacktrace){
+        insert.update(SERVER_NAME, generateMessage(message), stacktrace);
+    }
+
+    public static int logGetId(String message, String stacktrace) {
+        return insert.insertGetKey(SERVER_NAME, generateMessage(message), stacktrace);
+    }
+
+    private static String generateMessage(String message) {
         StringBuilder msgBuilder = new StringBuilder(message);
         SQLWrapper.impl.additionalExceptionMetadata(msgBuilder);
         msgBuilder.append("\nCWD: ").append(CWD);
-
-        insert.update(SERVER_NAME, msgBuilder.toString(), stacktrace);
+        return msgBuilder.toString();
     }
 }