fix bug in isEmpty method

Author: thijslemmens

tomcat-base/src/shared/main/java/eu/xenit/alfresco/tomcat/embedded/tomcat/TomcatFactory.java

@@ -67,15 +67,15 @@ public Tomcat getTomcat() throws IOException {
     }
 
     protected boolean isEmptyDir(Path path) {
-        if (Files.isDirectory(path)) {
-            try (Stream<Path> entries = Files.list(path)) {
-                return entries.findFirst().isPresent();
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
+        if (!Files.isDirectory(path)) {
+            return false;
         }
 
-        return false;
+        try (Stream<Path> entries = Files.list(path)) {
+            return !entries.findAny().isPresent();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
     }
 
     private void addWebapp(Tomcat tomcat, Path path) {