2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
23 import org.dom4j.Element;
24 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
27 * Abstraction of an entity which provides interface for XML walk. This
28 * interface serves as a common tool for anyone who needs to parse the XML
29 * node with depth-first algorithm.
31 public interface XmlWalker {
34 * Walks the XML data tree. Protocols implement XML listener service and
35 * walks the XML tree with input as implemented object. XML walker
36 * provides call back to the implemented methods.
38 * @param listener XML listener implemented by the protocol
39 * @param xmlElement root element of the XML data tree
40 * @throws SvcLogicException when walking the XML node fails
42 void walk(XmlListener listener, Element xmlElement) throws