Throw an exception when the node is not connected.

diff --git a/src/de/todesbaum/jsite/application/Freenet7Interface.java b/src/de/todesbaum/jsite/application/Freenet7Interface.java
index a271f6b..ae5c967 100644 (file)
--- a/src/de/todesbaum/jsite/application/Freenet7Interface.java
+++ b/src/de/todesbaum/jsite/application/Freenet7Interface.java
@@ -142,7 +142,7 @@ public class Freenet7Interface {
         */
        public String[] generateKeyPair() throws IOException {
                if (!isNodePresent()) {
-                       return null;
+                       throw new IOException("Node is offline.");
                }
                GenerateSSK generateSSK = new GenerateSSK();
                Client client = new Client(connection, generateSSK);