1 files changed, 55 insertions, 0 deletions
diff --git a/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonListener.java b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonListener.java
new file mode 100644
index 000000000..89fd4c8c8
--- /dev/null
+++ b/plugins/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonListener.java
@@ -0,0 +1,55 @@
+/*-
+ * ============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 com.fasterxml.jackson.databind.JsonNode;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
+
+/**
+ * Abstraction of an entity which provides call back methods, which in turn
+ * are called by JSON walker while walking the JSON tree. This interface
+ * needs to be implemented by protocol, implementing listener based call
+ * while doing JSON walk.
+ */
+public interface JsonListener extends Listener {
+
+    /**
+     * Call back invoked during JSON node entry. All other related
+     * information can be obtained from the JSON node.
+     *
+     * @param nodeName JSON node name
+     * @param node     JSON node
+     * @param nodeType JSON node type
+     * @throws SvcLogicException when node type is of wrong format
+     */
+    void enterJsonNode(String nodeName, JsonNode node, NodeType nodeType)
+            throws SvcLogicException;
+
+    /**
+     * Call back invoked during JSON node exit. All the related information
+     * can be obtained from the JSON node.
+     *
+     * @param node JSON node
+     * @throws SvcLogicException when JSON node exit doesn't happen
+     */
+    void exitJsonNode(JsonNode node) throws SvcLogicException;
+}