2 * ============LICENSE_START========================================================================
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3 * ONAP : tr-069-adapter
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4 * =================================================================================================
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5 * Copyright (C) 2020 CommScope Inc Intellectual Property.
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6 * =================================================================================================
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7 * This tr-069-adapter software file is distributed by CommScope Inc under the Apache License,
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8 * Version 2.0 (the "License"); you may not use this file except in compliance with the License. You
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9 * may obtain a copy of the License at
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11 * http://www.apache.org/licenses/LICENSE-2.0
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13 * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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14 * either express or implied. See the License for the specific language governing permissions and
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15 * limitations under the License.
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16 * ===============LICENSE_END=======================================================================
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19 package org.commscope.tr069adapter.mapper.util;
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21 import java.io.Serializable;
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22 import java.io.StringReader;
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23 import java.io.StringWriter;
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24 import java.util.ArrayList;
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25 import java.util.Collections;
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26 import java.util.Comparator;
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27 import java.util.HashMap;
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28 import java.util.List;
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29 import java.util.Map;
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30 import java.util.StringTokenizer;
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32 import javax.xml.XMLConstants;
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33 import javax.xml.parsers.DocumentBuilder;
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34 import javax.xml.parsers.DocumentBuilderFactory;
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35 import javax.xml.parsers.ParserConfigurationException;
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36 import javax.xml.transform.Transformer;
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37 import javax.xml.transform.TransformerFactory;
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38 import javax.xml.transform.dom.DOMSource;
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39 import javax.xml.transform.stream.StreamResult;
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41 import org.commscope.tr069adapter.acs.common.DeviceRPCRequest;
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42 import org.commscope.tr069adapter.acs.common.DeviceRPCResponse;
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43 import org.commscope.tr069adapter.acs.common.OperationOptions;
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44 import org.commscope.tr069adapter.acs.common.ParameterDTO;
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45 import org.commscope.tr069adapter.acs.common.dto.TR069DeviceDetails;
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46 import org.commscope.tr069adapter.acs.common.dto.TR069OperationCode;
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47 import org.commscope.tr069adapter.acs.common.dto.TR069OperationDetails;
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48 import org.commscope.tr069adapter.mapper.MapperConfigProperties;
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49 import org.commscope.tr069adapter.mapper.model.ErrorCodeDetails;
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50 import org.commscope.tr069adapter.mapper.model.NetConfResponse;
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51 import org.slf4j.Logger;
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52 import org.slf4j.LoggerFactory;
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53 import org.springframework.beans.factory.annotation.Autowired;
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54 import org.springframework.stereotype.Component;
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55 import org.w3c.dom.Document;
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56 import org.w3c.dom.Element;
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57 import org.w3c.dom.Node;
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58 import org.w3c.dom.NodeList;
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59 import org.xml.sax.InputSource;
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62 public class NetconfToTr069MapperUtil {
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65 MOMetaDataUtil metaDataUtil;
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68 MapperConfigProperties config;
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70 private static final Logger logger = LoggerFactory.getLogger(NetconfToTr069MapperUtil.class);
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71 private static final String INDEX_STR = "index";
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72 private static final String INDEX_REGEX = "[0-9]{1,}";
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75 private ErrorCodeUtil errorCodeUtil;
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77 public static Element convertStringToDocument(String xmlStr) {
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79 Document doc = convertStringToDocumentXml(xmlStr);
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81 return doc.getDocumentElement();
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82 } catch (Exception e) {
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83 logger.error("Error while converting String to element {}", e.getMessage());
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88 public static Document convertStringToDocumentXml(String xmlStr) {
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90 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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91 factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
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92 factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");
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93 DocumentBuilder builder;
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94 builder = factory.newDocumentBuilder();
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95 return builder.parse(new InputSource(new StringReader(xmlStr)));
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96 } catch (Exception e) {
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97 logger.error("Error while converting String to element {}", e.getMessage());
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102 public static Map<String, String> extractRequestParamters(Document operationElement,
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103 String netconfTag, String filterElement) {
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104 Node requestDataNode = getParameterDataNode(operationElement, netconfTag, filterElement);
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105 Map<String, String> map = getParameterMapForNode(requestDataNode, -1);
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109 public static DeviceRPCRequest prepareTR069Request(String deviceId, Element operationElement,
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110 String netconfTag, TR069OperationCode opCode) {
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111 Node requestDataNode = getDeviceDataNode(operationElement, netconfTag);
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112 if (requestDataNode == null) {
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113 logger.debug("No matching device parameters found in the netconf request XML.");
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116 Map<String, String> map = getParameterMapForNode(requestDataNode, -1);
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117 List<ParameterDTO> params = new ArrayList<>();
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119 for (java.util.Map.Entry<String, String> entry : map.entrySet()) {
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120 if (!entry.getKey().equalsIgnoreCase("filter")) {
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121 String moName = entry.getKey();
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122 String value = entry.getValue();
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123 if (moName.endsWith("." + INDEX_STR)
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124 && (TR069OperationCode.GET_PARAMETER_VALUES.equals(opCode)
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125 || TR069OperationCode.DELETE_OBJECT.equals(opCode))) {
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126 logger.debug("Index node found : {}", moName);
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127 moName = moName.replaceFirst("." + INDEX_STR, ".");
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132 ParameterDTO param = new ParameterDTO(moName, value);
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137 TR069OperationDetails opDetails = new TR069OperationDetails();
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138 opDetails.setOpCode(opCode);
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139 return handleParamsOperation(params, opDetails, deviceId);
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142 public static DeviceRPCRequest handleParamsOperation(List<ParameterDTO> params,
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143 TR069OperationDetails opDetails, String deviceId) {
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144 opDetails.setParmeters(params);
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146 DeviceRPCRequest deviceRPCRequest = new DeviceRPCRequest();
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147 TR069DeviceDetails tr069DeviceDetails = new TR069DeviceDetails();
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148 tr069DeviceDetails.setDeviceId(deviceId);
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149 deviceRPCRequest.setOpDetails(opDetails);
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150 deviceRPCRequest.setDeviceDetails(tr069DeviceDetails);
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151 OperationOptions options = new OperationOptions();
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152 options.setExecutionTimeout(60l);
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153 deviceRPCRequest.setOptions(options);
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154 return deviceRPCRequest;
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157 public NetConfResponse getNetconfResponse(DeviceRPCResponse opResult, boolean isCustomparameter) {
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158 NetConfResponse netConfResponse = new NetConfResponse();
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159 ErrorCodeDetails errorCodeDetails = errorCodeUtil.getErrorCodeMetaData(opResult.getFaultKey());
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160 ErrorCodeDetails errorCode = new ErrorCodeDetails();
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161 if (errorCodeDetails != null) {
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162 errorCode.setFaultCode(opResult.getFaultKey());
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163 errorCode.setErrorMessage(errorCodeDetails.getErrorMessage());
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164 errorCode.setErrorType(errorCodeDetails.getErrorType());
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165 errorCode.setErrorTag(errorCodeDetails.getErrorTag());
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166 errorCode.setErrorSeverity(errorCodeDetails.getErrorSeverity());
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167 netConfResponse.setErrorCode(errorCode);
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168 netConfResponse.setErrorMessage(opResult.getFaultString());
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169 } else if (opResult.getFaultKey() != null && opResult.getFaultString() != null) {
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170 errorCode.setFaultCode(opResult.getFaultKey());
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171 errorCode.setErrorMessage(opResult.getFaultString());
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172 errorCode.setErrorType("application");
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173 errorCode.setErrorTag("operation-failed");
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174 errorCode.setErrorSeverity("ERROR");
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175 netConfResponse.setErrorCode(errorCode);
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176 netConfResponse.setErrorMessage(opResult.getFaultString());
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178 netConfResponse.setNetconfResponseXml(getNetconfResponseXML(
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179 opResult.getOperationResponse().getParameterDTOs(), isCustomparameter));
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180 return netConfResponse;
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183 public NetConfResponse getNetconfResponseForSoftwareInventory(DeviceRPCResponse opResult) {
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185 NetConfResponse netConfResponse = new NetConfResponse();
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186 ErrorCodeDetails errorCodeDetails = errorCodeUtil.getErrorCodeMetaData(opResult.getFaultKey());
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187 ErrorCodeDetails errorCode = new ErrorCodeDetails();
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188 if (errorCodeDetails != null) {
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189 errorCode.setFaultCode(opResult.getFaultKey());
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190 errorCode.setErrorMessage(errorCodeDetails.getErrorMessage());
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191 errorCode.setErrorType(errorCodeDetails.getErrorType());
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192 errorCode.setErrorTag(errorCodeDetails.getErrorTag());
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193 errorCode.setErrorSeverity(errorCodeDetails.getErrorSeverity());
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194 netConfResponse.setErrorCode(errorCode);
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195 netConfResponse.setErrorMessage(opResult.getFaultString());
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196 return netConfResponse;
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197 } else if (opResult.getFaultKey() != null && opResult.getFaultString() != null) {
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198 errorCode.setFaultCode(opResult.getFaultKey());
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199 errorCode.setErrorMessage(opResult.getFaultString());
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200 errorCode.setErrorType("application");
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201 errorCode.setErrorTag("operation-failed");
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202 errorCode.setErrorSeverity("ERROR");
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203 netConfResponse.setErrorCode(errorCode);
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204 netConfResponse.setErrorMessage(opResult.getFaultString());
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205 return netConfResponse;
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207 List<ParameterDTO> paramDTOList = new ArrayList<>();
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209 String build = null;
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210 String productClass = null;
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211 for (ParameterDTO paramDto : opResult.getOperationResponse().getParameterDTOs()) {
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212 if (paramDto.getParamName().equals("Device.DeviceInfo.SoftwareVersion"))
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213 build = paramDto.getParamValue();
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214 else if (paramDto.getParamName().equals("Device.DeviceInfo.ProductClass"))
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215 productClass = paramDto.getParamValue();
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218 String[] arrOfBuild = build.split("\\.");
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219 String buildId = arrOfBuild[arrOfBuild.length - 1];
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220 StringBuilder buildVersion = new StringBuilder();
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221 for (int i = 0; i < arrOfBuild.length - 1; i++) {
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222 if (i == arrOfBuild.length - 2) {
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223 buildVersion.append(arrOfBuild[i]);
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225 buildVersion.append(arrOfBuild[i]);
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226 buildVersion.append(".");
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230 paramDTOList.add(new ParameterDTO("software-inventory.software-slot.name", "Active Partition"));
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231 paramDTOList.add(new ParameterDTO("software-inventory.software-slot.status", "VALID"));
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232 paramDTOList.add(new ParameterDTO("software-inventory.software-slot.active", "true"));
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233 paramDTOList.add(new ParameterDTO("software-inventory.software-slot.running", "true"));
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234 paramDTOList.add(new ParameterDTO("software-inventory.software-slot.access", "READ_ONLY"));
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236 .add(new ParameterDTO("software-inventory.software-slot.product-code", productClass));
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237 paramDTOList.add(new ParameterDTO("software-inventory.software-slot.vendor-code", config.getVendorName()));
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238 paramDTOList.add(new ParameterDTO("software-inventory.software-slot.build-id", buildId));
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239 paramDTOList.add(new ParameterDTO("software-inventory.software-slot.build-version",
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240 buildVersion.toString()));
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241 paramDTOList.add(new ParameterDTO("software-inventory.software-slot.files.name", "BC_ONE"));
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242 paramDTOList.add(new ParameterDTO("software-inventory.software-slot.files.integrity", "OK"));
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244 String XmlStr = getNetconfResponseXML(paramDTOList, true);
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246 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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247 DocumentBuilder builder;
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248 Document doc = null;
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250 builder = factory.newDocumentBuilder();
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251 doc = builder.parse(new InputSource(new StringReader(XmlStr)));
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252 } catch (Exception e) {
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253 logger.error("Error while converting String to element" + e);
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254 errorCode.setFaultCode("8002");
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255 errorCode.setErrorMessage("Operation Aborted");
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256 errorCode.setErrorType("application");
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257 errorCode.setErrorTag("operation-failed");
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258 errorCode.setErrorSeverity("ERROR");
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259 netConfResponse.setErrorCode(errorCode);
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260 netConfResponse.setErrorMessage("Operation Aborted");
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261 return netConfResponse;
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264 Element originalDocumentElement = doc.getDocumentElement();
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265 Element newDocumentElement = doc.createElementNS("urn:o-ran:software-management:1.0",
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266 originalDocumentElement.getNodeName());
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267 NodeList list = originalDocumentElement.getChildNodes();
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268 while (list.getLength() != 0) {
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269 newDocumentElement.appendChild(list.item(0));
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271 // Replace the original element
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272 doc.replaceChild(newDocumentElement, originalDocumentElement);
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274 String strxml = null;
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276 TransformerFactory transformerFactory = TransformerFactory.newInstance();
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277 Transformer transformer = transformerFactory.newTransformer();
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278 DOMSource source = new DOMSource(doc);
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279 StreamResult result = new StreamResult(new StringWriter());
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280 transformer.transform(source, result);
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281 strxml = result.getWriter().toString();
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282 } catch (Exception e) {
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283 logger.error("Error while converting Element to String" + e);
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284 errorCode.setFaultCode("8002");
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285 errorCode.setErrorMessage("Operation Aborted");
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286 errorCode.setErrorType("application");
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287 errorCode.setErrorTag("operation-failed");
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288 errorCode.setErrorSeverity("ERROR");
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289 netConfResponse.setErrorCode(errorCode);
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290 netConfResponse.setErrorMessage("Operation Aborted");
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291 return netConfResponse;
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294 netConfResponse.setNetconfResponseXml(strxml);
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295 logger.debug("NetConf Response XML String for software inventory: " + strxml);
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296 return netConfResponse;
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299 private String getNetconfResponseXML(List<ParameterDTO> parameters, boolean isCustomparameter) {
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300 if (null == parameters || parameters.isEmpty()) {
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304 Collections.sort(parameters, new SortByParamterName());
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306 String result = null;
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308 DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
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309 docFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
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310 docFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");
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311 DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
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312 Document doc = docBuilder.newDocument();
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314 Map<String, Element> parentNodeMap = new HashMap<>();
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315 Element dataNode = null; // root of all nodes
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317 for (ParameterDTO paramDto : parameters) {
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319 metaDataUtil.getNetconfNameByTR69NameWithIndexes(paramDto.getParamName());
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320 if (paramName == null && isCustomparameter) {
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321 paramName = paramDto.getParamName();
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323 String paramValue = paramDto.getParamValue();
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324 if (paramValue == null || paramValue.trim().isEmpty()) {
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325 logger.debug("Values is empty so skipping this parameter.");
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328 StringTokenizer tokenizer = new StringTokenizer(paramName, ".");
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329 String parentNodeName = null;
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330 String parentNodeKey = null;
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331 Element parentNode = null;
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332 while (tokenizer.hasMoreElements()) {
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333 String nodeName = (String) tokenizer.nextElement();
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334 if (null == parentNodeName) { // construct first node or
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336 parentNodeName = nodeName;
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337 parentNodeKey = nodeName;
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338 // check if the node already exists in parentNodeMap
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339 parentNode = parentNodeMap.get(parentNodeKey);
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340 if (null == dataNode) {
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341 dataNode = parentNode;
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344 } else if (nodeName.matches(INDEX_REGEX)) { // construct
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348 // get parent tabular node from parent MAP
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349 StringBuilder bld = new StringBuilder(parentNodeKey);
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351 bld.append(nodeName);
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352 parentNodeKey = bld.toString();
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353 Element node = parentNodeMap.computeIfPresent(parentNodeKey, (k, v) -> v);
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355 // create a tabular parent node if doesn't exit in MAP
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356 if (null == node) {
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357 if (metaDataUtil.getMetaDataByNetConfName(parentNodeKey + ".") != null
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358 && metaDataUtil.getMetaDataByNetConfName(parentNodeKey + ".").getURI() != null) {
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359 node = doc.createElementNS(
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360 metaDataUtil.getMetaDataByNetConfName(parentNodeKey + ".").getURI(),
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363 node = doc.createElement(parentNodeName);
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365 parentNodeMap.put(parentNodeKey, node);
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367 // update current tabular parent node.
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368 if (null != parentNode)
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369 parentNode.appendChild(node);
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371 // prepare and add index node to tabular parent node
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372 Element indexNode = doc.createElement(INDEX_STR);
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373 indexNode.setTextContent(nodeName);
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374 node.appendChild(indexNode);
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376 parentNode = node; // move parent to child
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377 parentNodeName = nodeName;
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378 } else if (parentNodeName.matches(INDEX_REGEX)) { // move to
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386 StringBuilder bld = new StringBuilder(parentNodeName);
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388 bld.append(nodeName);
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389 parentNodeKey = bld.toString();
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390 parentNodeName = nodeName;
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392 // construct intermediate nodes
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393 Element node = parentNodeMap.get(parentNodeKey);
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394 if (null == node) {
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395 if (metaDataUtil.getMetaDataByNetConfName(parentNodeKey) != null
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396 && metaDataUtil.getMetaDataByNetConfName(parentNodeKey).getURI() != null) {
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397 node = doc.createElementNS(
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398 metaDataUtil.getMetaDataByNetConfName(parentNodeKey).getURI(), parentNodeName);
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399 if (dataNode == null)
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402 node = doc.createElement(parentNodeName);
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404 parentNodeMap.put(parentNodeKey, node);
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405 if (null != parentNode)
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406 parentNode.appendChild(node);
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409 StringBuilder bld = new StringBuilder(parentNodeKey);
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411 bld.append(nodeName);
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412 parentNodeKey = bld.toString();
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413 parentNodeName = nodeName;
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417 // construct leaf node
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418 Element leafNode = doc.createElement(parentNodeName);
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419 leafNode.setTextContent(paramValue);
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420 if (null != parentNode)
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421 parentNode.appendChild(leafNode);
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424 if (null != dataNode) {
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425 result = NetconfToTr069MapperUtil.convertDocumentToString(dataNode);
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427 } catch (ParserConfigurationException pce) {
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428 logger.error("Exception : {}", pce.getMessage());
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434 public static String convertDocumentToString(Element element) {
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435 String strxml = null;
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437 TransformerFactory transformerFactory = TransformerFactory.newInstance();
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438 transformerFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
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439 transformerFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_STYLESHEET, "");
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440 Transformer transformer = transformerFactory.newTransformer();
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441 DOMSource source = new DOMSource(element);
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442 StreamResult result = new StreamResult(new StringWriter());
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443 transformer.transform(source, result);
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444 strxml = result.getWriter().toString();
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445 } catch (Exception e) {
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446 logger.error("Error while converting Element to String {}", e.toString());
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448 logger.debug("Converted XML is : {} ", strxml);
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452 // TODO: Need to optimize the Node element logic for better performance
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453 private static Map<String, String> getParameterMapForNode(Node moRNode, int numberOfChilds) {
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454 Map<String, String> result = new HashMap<>();
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455 if (moRNode.getNodeType() == Node.ELEMENT_NODE) {
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456 NodeList childs = moRNode.getChildNodes();
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457 boolean hasChildElements = false;
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458 hasChildElements = checkMoreElements(result, childs, hasChildElements);
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459 if (!hasChildElements) {
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460 String moName = getMOName(moRNode);
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461 if (moName.equals("software-inventory")) {
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462 result.put("device.device-info.software-version", moRNode.getTextContent());
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463 result.put("device.device-info.product-class", moRNode.getTextContent());
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464 } else if (!moName.endsWith("." + INDEX_STR)) {
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465 result.put(moName, moRNode.getTextContent());
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466 } else if (numberOfChilds == 1) {
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467 result.put(moName, moRNode.getTextContent());
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475 private static boolean checkMoreElements(Map<String, String> result, NodeList childs,
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476 boolean hasChildElements) {
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477 if (childs.getLength() > 0) {
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479 for (int i = 0; i < childs.getLength(); i++) {
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480 Node cNode = childs.item(i);
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481 if (cNode != null && cNode.getNodeType() == Node.ELEMENT_NODE) {
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486 for (int i = 0; i < childs.getLength(); i++) {
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487 Node cNode = childs.item(i);
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488 if (cNode != null && cNode.getNodeType() == Node.ELEMENT_NODE) {
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489 hasChildElements = true;
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490 Map<String, String> subResult = getParameterMapForNode(cNode, counter);
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491 result.putAll(subResult);
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495 return hasChildElements;
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498 private static String getMOName(Node moRNode) {
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499 String result = removeNS(moRNode.getNodeName());
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500 Node pNode = moRNode;
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502 pNode = pNode.getParentNode();
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503 if (pNode == null || pNode.getNodeType() != Node.ELEMENT_NODE
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504 || pNode.getNodeName().equals("edit-config") || pNode.getNodeName().equals("config")
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505 || pNode.getNodeName().equals("get-config") || pNode.getNodeName().equals("filter")
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506 || pNode.getNodeName().equals("get")) {
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509 String indexStr = getMOIndex(pNode);
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510 StringBuilder bld = new StringBuilder(removeNS(pNode.getNodeName()));
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512 if (indexStr == null) {
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513 bld.append(result);
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514 result = bld.toString();
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516 bld.append(indexStr);
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518 bld.append(result);
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519 result = bld.toString();
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525 private static Node getParameterDataNode(Document el, String docStart, String filterElement) {
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526 NodeList nodeList = el.getElementsByTagName(docStart);
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527 if (nodeList.getLength() > 0) {
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528 nodeList = nodeList.item(0).getChildNodes();
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529 for (int i = 0; i < nodeList.getLength(); i++) {
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530 Node node = nodeList.item(i);
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531 String nodeName = removeNS(node.getNodeName());
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532 if (nodeName.equals(filterElement)) {
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540 private static Node getDeviceDataNode(Element el, String filter) {
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542 NodeList nodeList = el.getElementsByTagName(filter);
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543 if (nodeList.getLength() > 0) {
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544 nodeList = nodeList.item(0).getChildNodes();
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545 for (int i = 0; i < nodeList.getLength(); i++) {
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546 Node node = nodeList.item(i);
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547 if (node.getNodeType() == Node.ELEMENT_NODE) {
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552 } catch (Exception e) {
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553 logger.error("exception occured while parsing the request xml {}", e.getMessage());
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558 private static String removeNS(String nodeName) {
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559 // remove name space
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560 int li = nodeName.lastIndexOf(':');
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561 nodeName = nodeName.substring(li + 1);
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565 private static String getMOIndex(Node pNode) {
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566 if (null != pNode) {
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567 NodeList nodeList = pNode.getChildNodes();
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568 for (int i = 0; i < nodeList.getLength(); i++) {
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569 Node childNode = nodeList.item(i);
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570 String nodeName = removeNS(childNode.getNodeName());
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571 if (nodeName.equalsIgnoreCase(INDEX_STR)) {
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572 return childNode.getTextContent();
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582 class SortByParamterName implements Comparator<ParameterDTO>, Serializable {
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583 private static final long serialVersionUID = 3010693349267067945L;
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585 public int compare(ParameterDTO a, ParameterDTO b) {
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586 return a.getParamName().compareTo(b.getParamName());
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