adapters/mso-sdnc-adapter/src/main/java/org/onap/so/adapters/sdnc/sdncrest/SDNCServiceRequestTask.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Modifications Copyright (c) 2019 Samsung
   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
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  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.
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.so.adapters.sdnc.sdncrest;
  24
  25 import java.io.StringWriter;
  26
  27 import javax.xml.XMLConstants;
  28 import javax.xml.parsers.DocumentBuilder;
  29 import javax.xml.parsers.DocumentBuilderFactory;
  30 import javax.xml.transform.OutputKeys;
  31 import javax.xml.transform.Transformer;
  32 import javax.xml.transform.TransformerFactory;
  33 import javax.xml.transform.dom.DOMSource;
  34 import javax.xml.transform.stream.StreamResult;
  35
  36 import org.apache.http.HttpStatus;
  37 import org.onap.so.adapters.sdnc.exception.SDNCAdapterException;
  38 import org.onap.so.adapters.sdncrest.RequestInformation;
  39 import org.onap.so.adapters.sdncrest.SDNCResponseCommon;
  40 import org.onap.so.adapters.sdncrest.SDNCServiceError;
  41 import org.onap.so.adapters.sdncrest.SDNCServiceRequest;
  42 import org.onap.so.logger.MessageEnum;
  43 import org.onap.so.logger.MsoLogger;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46 import org.springframework.beans.factory.annotation.Autowired;
  47 import org.springframework.scheduling.annotation.Async;
  48 import org.springframework.stereotype.Component;
  49 import org.w3c.dom.Document;
  50 import org.w3c.dom.Element;
  51
  52 @Component
  53 public class SDNCServiceRequestTask {
  54         private static final Logger logger =  LoggerFactory.getLogger(SDNCServiceRequestTask.class);
  55
  56         @Autowired
  57         private SDNCServiceRequestConnector connector;
  58
  59         @Autowired
  60         MapTypedRequestTunablesData mapTunables;
  61
  62         @Autowired
  63         private BPRestCallback bpRestCallback;
  64
  65         @Async
  66         public void runRequest(SDNCServiceRequest request,String msoRequestId,String msoServiceInstanceId,String myUrlSuffix)
  67         {
  68                 MsoLogger.setLogContext(msoRequestId, msoServiceInstanceId);
  69
  70                 String sdncRequestId = request.getSdncRequestId();
  71                 String sdncService = request.getSdncService();
  72                 String sdncOperation = request.getSdncOperation();
  73
  74                 TypedRequestTunables rt = new TypedRequestTunables(sdncRequestId, myUrlSuffix);
  75                 rt.setServiceKey(sdncService, sdncOperation);
  76                 TypedRequestTunables mappedTunables;
  77                 try {
  78                         mappedTunables = mapTunables.setTunables(rt);
  79                 } catch(SDNCAdapterException e) {
  80                         bpRestCallback.send(request.getBPNotificationUrl(), e.getMessage());
  81                         return;
  82                 }
  83                 if (!mappedTunables.getError().isEmpty()) {
  84                         // Note that the error was logged and alarmed by setTunables()
  85                         SDNCServiceError error = new SDNCServiceError(request.getSdncRequestId(),
  86                                 String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR), mappedTunables.getError(), "Y");
  87                         bpRestCallback.send(request.getBPNotificationUrl(), error.toJson());
  88                         return;
  89                 }
  90
  91                 String xml = genSdncReq(request, mappedTunables);
  92
  93                 long sdncStartTime = System.currentTimeMillis();
  94                 SDNCResponseCommon response = connector.send(xml, mappedTunables);
  95
  96                 long bpStartTime = System.currentTimeMillis();
  97                 boolean callbackSuccess = bpRestCallback.send(request.getBPNotificationUrl(), response.toJson());
  98         }
  99
 100         private Element addChild(Element parent, String tag) {
 101                 Element child = parent.getOwnerDocument().createElement(tag);
 102                 parent.appendChild(child);
 103                 return child;
 104         }
 105
 106         private void addTextChild(Element parent, String tag, String text) {
 107                 if (text != null) {
 108                         Element child = parent.getOwnerDocument().createElement(tag);
 109                         child.setTextContent(text);
 110                         parent.appendChild(child);
 111                 }
 112         }
 113
 114         private String genSdncReq(SDNCServiceRequest request, TypedRequestTunables rt) {
 115                 Document doc;
 116
 117                 try {
 118                         DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
 119                         DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
 120
 121                         doc = documentBuilder.newDocument();
 122                         Element root = doc.createElementNS(rt.getNamespace(), "input");
 123                         doc.appendChild(root);
 124
 125                         Element hdr = addChild(root, rt.getHeaderName());
 126                         addTextChild(hdr, "svc-request-id", rt.getReqId());
 127                         addTextChild(hdr, "svc-notification-url", rt.getMyUrl());
 128
 129                         RequestInformation requestInfo = request.getRequestInformation();
 130                         Element requestInformation = addChild(root, "request-information");
 131                         addTextChild(requestInformation, "request-id", requestInfo.getRequestId());
 132
 133
 134                         if(requestInfo.getRequestAction()!= null) {
 135                                 addTextChild(requestInformation, "request-action",
 136                                                 requestInfo.getRequestAction());
 137                         }
 138                         if(requestInfo.getRequestSubAction()!= null) {
 139                                 addTextChild(requestInformation, "request-sub-action",
 140                                                 requestInfo.getRequestSubAction());
 141                         }
 142                         if(requestInfo.getOrderNumber() != null &&
 143                                         !requestInfo.getOrderNumber().isEmpty() ) {
 144                                 addTextChild(requestInformation, "order-number",
 145                                                 requestInfo.getOrderNumber());
 146                         }
 147
 148                         if(requestInfo.getOrderVersion() != null &&
 149                                         !requestInfo.getOrderVersion().isEmpty() ) {
 150                                 addTextChild(requestInformation, "order-version",
 151                                                 requestInfo.getOrderVersion());
 152                         }
 153
 154
 155                         addTextChild(requestInformation, "source", requestInfo.getSource());
 156                         addTextChild(requestInformation, "notification-url", requestInfo.getNotificationUrl());
 157
 158                         Element serviceInformation = addChild(root, "service-information");
 159                         addTextChild(serviceInformation, "service-type", request.getServiceInformation().getServiceType());
 160                         addTextChild(serviceInformation, "service-instance-id", request.getServiceInformation().getServiceInstanceId());
 161                         addTextChild(serviceInformation, "subscriber-name", request.getServiceInformation().getSubscriberName());
 162                         addTextChild(serviceInformation, "subscriber-global-id", request.getServiceInformation().getSubscriberGlobalId());
 163
 164                         Element agnosticServiceInformation = addChild(root, "agnostic-service-information");
 165                         addTextChild(agnosticServiceInformation, "operation", request.getSdncOperation());
 166                         addTextChild(agnosticServiceInformation, "service", request.getSdncService());
 167
 168                         // anydata is mandatory in the SDNC schema, so if the data we got is null,
 169                         // set use an empty string instead to ensure we generate an empty element.
 170
 171                         String anydata = request.getSdncServiceData();
 172                         if (anydata == null) {
 173                                 anydata = "";
 174                         }
 175
 176                         // content-type is also mandatory.
 177
 178                         String contentType = request.getSdncServiceDataType();
 179
 180                         if (contentType == null || contentType.isEmpty()) {
 181                                 if (anydata.isEmpty()) {
 182                                         contentType = "XML";
 183                                 } else {
 184                                         if (anydata.startsWith("<")) {
 185                                                 contentType = "XML";
 186                                         } else {
 187                                                 contentType = "JSON";
 188                                         }
 189                                 }
 190                         }
 191
 192                         addTextChild(agnosticServiceInformation, "content-type", contentType);
 193                         addTextChild(agnosticServiceInformation, "anydata", anydata);
 194                 } catch (Exception e) {
 195                         logger.error("{} {} {} {}", MessageEnum.RA_ERROR_CREATE_SDNC_REQUEST.toString(), "SDNC",
 196                                         MsoLogger.ErrorCode.BusinessProcesssError.getValue(), "Exception in genSdncReq", e);
 197                         return null;
 198                 }
 199
 200                 String xml;
 201
 202                 try {
 203                         StringWriter writer = new StringWriter();
 204                         TransformerFactory factory = TransformerFactory.newInstance();
 205                         factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD,"");
 206                         factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_STYLESHEET,"");
 207                         Transformer transformer = factory.newTransformer();
 208                         transformer.setOutputProperty(OutputKeys.INDENT, "yes");
 209                         transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
 210                         transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
 211                         transformer.transform(new DOMSource(doc), new StreamResult(writer));
 212                         xml = writer.toString();
 213                 } catch (Exception e) {
 214                         logger.error("{} {} {}", MessageEnum.RA_ERROR_CONVERT_XML2STR.toString(), MsoLogger.ErrorCode.DataError.getValue(),
 215                                         "Exception - domToStr", e);
 216                         return null;
 217                 }
 218
 219                 logger.trace("Formatted SDNC service request XML:\n {}", xml);
 220                 return xml;
 221         }
 222 }