From ae639d323f6dab34de9b19aa68ec6d78f4cd90d8 Mon Sep 17 00:00:00 2001
From: Gideon le Grange <gideon@legrange.me>
Date: Sat, 28 Mar 2015 17:03:05 +0200
Subject: [PATCH] Fixed bug #18 - login with empty username

---
 src/main/java/me/legrange/mikrotik/impl/ApiConnectionImpl.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/me/legrange/mikrotik/impl/ApiConnectionImpl.java b/src/main/java/me/legrange/mikrotik/impl/ApiConnectionImpl.java
index e348c9c..bee6bcb 100644
--- a/src/main/java/me/legrange/mikrotik/impl/ApiConnectionImpl.java
+++ b/src/main/java/me/legrange/mikrotik/impl/ApiConnectionImpl.java
@@ -85,6 +85,9 @@ public final class ApiConnectionImpl extends ApiConnection {
      */
     @Override
     public void login(String username, String password) throws MikrotikApiException, InterruptedException {
+        if (username.trim().isEmpty()) {
+            throw new ApiConnectionException("API username cannot be empty");
+        }
         List<Map<String, String>> list = execute("/login");
         Map<String, String> res = list.get(0);
         String hash = res.get("ret");