1 files changed, 120 insertions, 0 deletions
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlListener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlListener.java
new file mode 100644
index 000000000..03abf44fd
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlListener.java
@@ -0,0 +1,120 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+
+import org.dom4j.Element;
+import org.dom4j.Namespace;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+
+import java.util.List;
+
+import static java.lang.String.format;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
+
+/**
+ * Representation of default implementation of XML listener.
+ */
+public class DefaultXmlListener implements XmlListener {
+
+    /**
+     * Serializer helper to convert to properties node.
+     */
+    private SerializerHelper serializerHelper;
+
+    /**
+     * Creates an instance of default XML listener with its serializer helper.
+     *
+     * @param serializerHelper serializer helper
+     */
+    public DefaultXmlListener(SerializerHelper serializerHelper) {
+        this.serializerHelper = serializerHelper;
+    }
+
+    @Override
+    public void enterXmlElement(Element element, XmlNodeType nodeType)
+            throws SvcLogicException {
+        switch (nodeType) {
+            case TEXT_NODE:
+                serializerHelper.addNode(element.getName(),
+                                         element.getNamespace().getURI(),
+                                         element.getText(), null, null);
+                break;
+
+            case OBJECT_NODE:
+                List cont = element.content();
+                if (cont != null && cont.size() == 2 &&
+                        isValueNsForLeaf(cont, element)) {
+                    return;
+                }
+                serializerHelper.addNode(element.getName(),
+                                         element.getNamespace().getURI(),
+                                         null, null, null);
+                break;
+
+            default:
+                throw new SvcLogicException(format(NODE_TYPE_ERR,
+                                                   nodeType.toString()));
+        }
+    }
+
+    /**
+     * Returns true if element has value namespace and adds the node to
+     * property tree; false otherwise.
+     *
+     * @param cont    content of the element
+     * @param element element
+     * @return true if element has value namespace; false otherwise
+     * @throws SvcLogicException
+     */
+    private boolean isValueNsForLeaf(List cont, Element element)
+            throws SvcLogicException {
+        for (Object c : cont) {
+            if (c instanceof Namespace) {
+                String value = element.getText();
+                if (value != null) {
+                    String[] val = value.split(":");
+                    String valPrefix = val[0];
+                    String actVal = val[1];
+                    if (valPrefix != null && actVal != null &&
+                            valPrefix.equals(((Namespace) c).getPrefix())) {
+                        serializerHelper.addNode(
+                                element.getName(),
+                                element.getNamespace().getURI(),
+                                actVal,
+                                ((Namespace) c).getURI(), null);
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public void exitXmlElement(Element element) throws SvcLogicException {
+        serializerHelper.exitNode();
+    }
+
+    @Override
+    public SerializerHelper serializerHelper() {
+        return serializerHelper;
+    }
+}