Added null check

stealthcopter · stealthcopter · commit 90d766b1382a · 2018-06-21T16:21:15.000+01:00
diff --git a/library/src/main/java/com/stealthcopter/networktools/ping/PingNative.java b/library/src/main/java/com/stealthcopter/networktools/ping/PingNative.java
@@ -18,6 +18,12 @@ private PingNative() {
 
     public static PingResult ping(InetAddress host, int timeOutMillis) throws IOException, InterruptedException {
         PingResult pingResult = new PingResult(host);
+
+        if (host == null) {
+            pingResult.isReachable = false;
+            return pingResult;
+        }
+
         StringBuilder echo = new StringBuilder();
         Runtime runtime = Runtime.getRuntime();
 
diff --git a/library/src/main/java/com/stealthcopter/networktools/ping/PingTools.java b/library/src/main/java/com/stealthcopter/networktools/ping/PingTools.java
@@ -63,6 +63,12 @@ public static PingResult doNativePing(InetAddress ia, int timeOutMillis) throws
      */
     public static PingResult doJavaPing(InetAddress ia, int timeOutMillis) {
         PingResult pingResult = new PingResult(ia);
+
+        if (ia == null) {
+            pingResult.isReachable = false;
+            return pingResult;
+        }
+
         try {
             long startTime = System.nanoTime();
             final boolean reached = ia.isReachable(timeOutMillis);
