2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 * ============LICENSE_END=========================================================
25 package org.onap.appc.adapter.netconf;
27 import org.apache.commons.lang3.StringUtils;
28 import org.onap.appc.exceptions.APPCException;
29 import org.w3c.dom.Document;
30 import org.w3c.dom.Element;
31 import org.w3c.dom.Node;
32 import org.w3c.dom.NodeList;
33 import org.xml.sax.SAXException;
35 import javax.xml.parsers.DocumentBuilder;
36 import javax.xml.parsers.DocumentBuilderFactory;
37 import javax.xml.parsers.ParserConfigurationException;
38 import java.io.ByteArrayInputStream;
39 import java.io.IOException;
42 public class VNFOperationalStateValidatorImpl implements OperationalStateValidator {
43 private static final String OPERATIONAL_STATE_ELEMENT_NAME = "operationalState";
46 public VnfType getVnfType() {
51 public String getConfigurationFileName() {
52 String configFileName = OperationalStateValidatorFactory.configuration
53 .getProperty(this.getClass().getCanonicalName() + CONFIG_FILE_PROPERTY_SUFFIX);
54 configFileName = configFileName == null ? "VnfGetOperationalStates" : configFileName;
55 return configFileName;
59 public void validateResponse(String response) throws APPCException {
60 if(StringUtils.isEmpty(response)) {
61 throw new APPCException("empty response");
64 List<Map.Entry> operationalStateList = getOperationalStateList(response).orElseThrow(() ->
65 new APPCException("response without any "+OPERATIONAL_STATE_ELEMENT_NAME+" element"));
67 if(operationalStateList.stream().anyMatch(this::isNotEnabled)) {
68 throw new APPCException("at least one "+OPERATIONAL_STATE_ELEMENT_NAME+" is not in valid state. "
69 +operationalStateList.toString());
72 } catch (Exception e) {
73 throw new APPCException(e);
77 private boolean isNotEnabled(Map.Entry stateEntry) {
78 return !("ENABLED").equalsIgnoreCase((String)stateEntry.getValue());
81 private static Optional<List<Map.Entry>> getOperationalStateList(String xmlText) throws IOException, ParserConfigurationException, SAXException {
82 List<Map.Entry> entryList = null;
84 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
85 DocumentBuilder builder = factory.newDocumentBuilder();
86 Document document = builder.parse(new ByteArrayInputStream(xmlText.getBytes("UTF-8")));
88 if(document != null) {
89 Element rootElement = document.getDocumentElement();
90 NodeList nodeList = rootElement.getElementsByTagName(OPERATIONAL_STATE_ELEMENT_NAME);
91 if (nodeList != null && nodeList.getLength() > 0) {
92 entryList = new ArrayList<>();
93 for (int i = 0; i < nodeList.getLength(); i++) {
94 Node node = nodeList.item(i);
95 String text = node.getTextContent();
96 String id = getElementID(node);
97 Map.Entry entry = new AbstractMap.SimpleEntry<>(id, text);
102 return Optional.ofNullable(entryList);
105 private static String getElementID(Node node) {
107 Node parentNode = node.getParentNode();
108 if (parentNode != null) {
109 if (node.getNodeType() == Node.ELEMENT_NODE) {
110 NodeList nodeList = ((Element) parentNode).getElementsByTagName("id");
111 if (nodeList != null && nodeList.getLength() > 0) {
112 Node idNode = nodeList.item(0);
113 id = idNode != null ? idNode.getTextContent() : null;
116 id = parentNode.getNodeValue()+"|"+parentNode.getTextContent();
120 id = StringUtils.isEmpty(id) ? null : StringUtils.normalizeSpace(id);
121 id = StringUtils.isBlank(id) ? null : id;
122 id = id != null ? id : "unknown-id";