diff -r 3ca85da78515 -r b42bfc9e9983 src/main/java/de/unixwork/uwproj/Util.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/unixwork/uwproj/Util.java	Wed Sep 06 22:55:42 2023 +0200
@@ -0,0 +1,32 @@
+package de.unixwork.uwproj;
+
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+public class Util {
+    /**
+     * Returns the text content of the given element.
+     *
+     * @param elm the element
+     * @return the contents or empty string if there are no contents
+     */
+    public static String getContent(Element elm) {
+        NodeList nodes = elm.getChildNodes();
+        for (int i = 0; i < nodes.getLength(); i++) {
+            var node = nodes.item(i);
+            if (node.getNodeType() == Node.TEXT_NODE) {
+                return node.getTextContent();
+            }
+        }
+        return "";
+    }
+
+    public static boolean isNullOrBlank(String s) {
+        return s == null || s.isBlank();
+    }
+
+    public static boolean isNotNullOrBlank(String s) {
+        return s != null && !s.isBlank();
+    }
+}