Add logging

.gitignore

@@ -1,3 +1,4 @@
+/.gradle
 /.idea/
 /.settings/
 /build/

src/main/java/de/jeyp91/App.java

@@ -5,6 +5,8 @@ import net.sourceforge.argparse4j.ArgumentParsers;
 import net.sourceforge.argparse4j.inf.ArgumentParser;
 import net.sourceforge.argparse4j.inf.ArgumentParserException;
 import net.sourceforge.argparse4j.inf.Namespace;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 /**
  * Hello world!
@@ -16,6 +18,7 @@ public class App {
     private static int season;
     private static int league;
     private static String configFile;
+    private static Logger logger = LogManager.getLogger(TeamIDMatcher.class);
 
     public static void main(String[] args) throws Exception {
         initOptions(args);
@@ -42,10 +45,18 @@ public class App {
             default:
                 break;
         }
+        if (sql.equals("")) {
+            logger.info("No updates for season " + season + ", league " + league + ", config " + configFile);
+        } else {
+            logger.info("Executed query:\n" + sql);
+        }
         if(!StatusHolder.getError() && !sql.equals("")) {
             TippligaSQLConnector con = new TippligaSQLConnector();
             con.executeQuery(sql);
         }
+        if(StatusHolder.getError()) {
+            System.exit(1);
+        }
     }
 
     private static void initOptions(String[] args) {