From a5e0525cb3a5e6a3f4ba51d0bcd4ec194941974f Mon Sep 17 00:00:00 2001
From: Björn Hagemeister
Date: Tue, 21 Oct 2014 15:26:10 +0200
Subject: Added usage info in case of invalid given arguments.

---
 src/main/java/org/openslx/satellitedaemon/App.java | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/main/java/org/openslx/satellitedaemon/App.java b/src/main/java/org/openslx/satellitedaemon/App.java
index 2982a84..4a6bb7b 100644
--- a/src/main/java/org/openslx/satellitedaemon/App.java
+++ b/src/main/java/org/openslx/satellitedaemon/App.java
@@ -88,6 +88,17 @@ public class App
 					log.error( "Illegal option: --updateaddress requires <IPADDRESS>" );
 					System.exit( 2 );
 				}
+			} else {
+				// no correct option was selected.
+				log.error( "Illegal option: given argument(s) not valid." );
+				log.info( "\nUsage: java -jar target/satellite-daemon-1.0-SNAPSHOT-jar-with-dependencies.jar [options]\n"
+						+ " options:\n"
+						+ "   [--checkconfig] or\n"
+						+ "   [--genid <ORGANIZANTIONNAME>] or\n"
+						+ "   [--import <ORGANIZATIONNAME> <MODULUS> <PRIV_EXP> <PUB_EXP>] or\n"
+						+ "   [--submitkey <IPADDRESS>] or\n"
+						+ "   [--updateaddress <IPADDRESS>]");
+				System.exit( 2 );
 			}
 		} else if ( args.length == 0 ) {
 			// No Option choosed, try to load existing identity.
-- 
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