diff --git a/apps/yms/app/src/main/java/org/onosproject/yms/app/ych/defaultcodecs/xml/DefaultXmlCodecWalker.java b/apps/yms/app/src/main/java/org/onosproject/yms/app/ych/defaultcodecs/xml/DefaultXmlCodecWalker.java
new file mode 100644
index 0000000..b5a9ea2
--- /dev/null
+++ b/apps/yms/app/src/main/java/org/onosproject/yms/app/ych/defaultcodecs/xml/DefaultXmlCodecWalker.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yms.app.ych.defaultcodecs.xml;
+
+import org.dom4j.Element;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Iterator;
+
+import static org.onosproject.yms.app.ych.defaultcodecs.xml.XmlNodeType.OBJECT_NODE;
+import static org.onosproject.yms.app.ych.defaultcodecs.xml.XmlNodeType.TEXT_NODE;
+
+/**
+ * Represents implementation of codec xml walker.
+ */
+class DefaultXmlCodecWalker implements XmlWalker {
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    @Override
+    public void walk(XmlListener listener, Element element,
+                     Element rootElement) {
+        try {
+            listener.enterXmlElement(element, getElementType(element),
+                                     rootElement);
+
+            if (element.hasContent() && !element.isTextOnly()) {
+                for (Iterator i = element.elementIterator(); i.hasNext();) {
+                    Element childElement = (Element) i.next();
+                    walk(listener, childElement, rootElement);
+                }
+            }
+
+            listener.exitXmlElement(element, getElementType(element),
+                                    rootElement);
+        } catch (Exception e) {
+            log.error("Exception occurred when walk xml element: {}", element);
+        }
+    }
+
+    /**
+     * Determine the type of an element.
+     *
+     * @param element to be analysed
+     * @return type of the element
+     */
+    private XmlNodeType getElementType(Element element) {
+        return element.hasContent() && element.isTextOnly() ?
+                TEXT_NODE : OBJECT_NODE;
+    }
+}