gerrit.onap Code Review - so.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. 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
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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=========================================================
  19  */
  20
  21 package org.onap.so.adapters.sdnc.sdncrest;
  22
  23 import java.io.StringWriter;
  24
  25 import javax.xml.XMLConstants;
  26 import javax.xml.parsers.DocumentBuilder;
  27 import javax.xml.parsers.DocumentBuilderFactory;
  28 import javax.xml.transform.OutputKeys;
  29 import javax.xml.transform.Transformer;
  30 import javax.xml.transform.TransformerFactory;
  31 import javax.xml.transform.dom.DOMSource;
  32 import javax.xml.transform.stream.StreamResult;
  33
  34 import org.apache.http.HttpStatus;
  35 import org.onap.so.adapters.sdnc.exception.SDNCAdapterException;
  36 import org.onap.so.adapters.sdncrest.RequestInformation;
  37 import org.onap.so.adapters.sdncrest.SDNCErrorCommon;
  38 import org.onap.so.adapters.sdncrest.SDNCResponseCommon;
  39 import org.onap.so.adapters.sdncrest.SDNCServiceError;
  40 import org.onap.so.adapters.sdncrest.SDNCServiceRequest;
  41 import org.onap.so.logger.MessageEnum;
  42 import org.onap.so.logger.MsoLogger;
  43 import org.springframework.beans.factory.annotation.Autowired;
  44 import org.springframework.scheduling.annotation.Async;
  45 import org.springframework.stereotype.Component;
  46 import org.w3c.dom.Document;
  47 import org.w3c.dom.Element;
  48
  49 @Component
  50 public class SDNCServiceRequestTask {
  51         private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA,SDNCServiceRequestTask.class);
  52
  53         @Autowired
  54         private SDNCServiceRequestConnector connector;
  55
  56         @Autowired
  57         MapTypedRequestTunablesData mapTunables;
  58
  59         @Autowired
  60         private BPRestCallback bpRestCallback;
  61
  62         @Async
  63         public void runRequest(SDNCServiceRequest request,String msoRequestId,String msoServiceInstanceId,String myUrlSuffix)
  64         {
  65                 MsoLogger.setLogContext(msoRequestId, msoServiceInstanceId);
  66                 MsoLogger.setServiceName(getClass().getSimpleName());
  67
  68                 String sdncRequestId = request.getSdncRequestId();
  69                 String sdncService = request.getSdncService();
  70                 String sdncOperation = request.getSdncOperation();
  71
  72                 TypedRequestTunables rt = new TypedRequestTunables(sdncRequestId, myUrlSuffix);
  73                 rt.setServiceKey(sdncService, sdncOperation);
  74                 TypedRequestTunables mappedTunables;
  75                 try {
  76                         mappedTunables = mapTunables.setTunables(rt);
  77                 } catch(SDNCAdapterException e) {
  78                         bpRestCallback.send(request.getBPNotificationUrl(), e.getMessage());
  79                         return;
  80                 }
  81                 if (!mappedTunables.getError().isEmpty()) {
  82                         // Note that the error was logged and alarmed by setTunables()
  83                         SDNCServiceError error = new SDNCServiceError(request.getSdncRequestId(),
  84                                 String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR), mappedTunables.getError(), "Y");
  85                         bpRestCallback.send(request.getBPNotificationUrl(), error.toJson());
  86                         return;
  87                 }
  88
  89                 String xml = genSdncReq(request, mappedTunables);
  90
  91                 long sdncStartTime = System.currentTimeMillis();
  92                 SDNCResponseCommon response = connector.send(xml, mappedTunables);
  93
  94                 if (response instanceof SDNCErrorCommon) {
  95                         LOGGER.recordMetricEvent(sdncStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
  96                                 "Received success response from SDNC", "SDNC", sdncService + "." + sdncOperation, null);
  97                 } else {
  98                         LOGGER.recordMetricEvent(sdncStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError,
  99                                 "Received error response from SDNC", "SDNC", sdncService + "." + sdncOperation, null);
 100                 }
 101
 102                 long bpStartTime = System.currentTimeMillis();
 103                 boolean callbackSuccess = bpRestCallback.send(request.getBPNotificationUrl(), response.toJson());
 104
 105                 if (callbackSuccess) {
 106                         LOGGER.recordMetricEvent(bpStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
 107                                 "Sent notification", "BPMN", request.getBPNotificationUrl(), null);
 108                 } else {
 109                         LOGGER.recordMetricEvent(bpStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError,
 110                                 "Failed to send notification", "BPMN", request.getBPNotificationUrl(), null);
 111                 }
 112         }
 113
 114         private Element addChild(Element parent, String tag) {
 115                 Element child = parent.getOwnerDocument().createElement(tag);
 116                 parent.appendChild(child);
 117                 return child;
 118         }
 119
 120         private void addTextChild(Element parent, String tag, String text) {
 121                 if (text != null) {
 122                         Element child = parent.getOwnerDocument().createElement(tag);
 123                         child.setTextContent(text);
 124                         parent.appendChild(child);
 125                 }
 126         }
 127
 128         private String genSdncReq(SDNCServiceRequest request, TypedRequestTunables rt) {
 129                 Document doc;
 130
 131                 try {
 132                         DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
 133                         DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
 134
 135                         doc = documentBuilder.newDocument();
 136                         Element root = doc.createElementNS(rt.getNamespace(), "input");
 137                         doc.appendChild(root);
 138
 139                         Element hdr = addChild(root, rt.getHeaderName());
 140                         addTextChild(hdr, "svc-request-id", rt.getReqId());
 141                         addTextChild(hdr, "svc-notification-url", rt.getMyUrl());
 142
 143                         RequestInformation requestInfo = request.getRequestInformation();
 144                         Element requestInformation = addChild(root, "request-information");
 145                         addTextChild(requestInformation, "request-id", requestInfo.getRequestId());
 146
 147
 148                         if(requestInfo.getRequestAction()!= null) {
 149                                 addTextChild(requestInformation, "request-action",
 150                                                 requestInfo.getRequestAction());
 151                         }
 152                         if(requestInfo.getRequestSubAction()!= null) {
 153                                 addTextChild(requestInformation, "request-sub-action",
 154                                                 requestInfo.getRequestSubAction());
 155                         }
 156                         if(requestInfo.getOrderNumber() != null &&
 157                                         !requestInfo.getOrderNumber().isEmpty() ) {
 158                                 addTextChild(requestInformation, "order-number",
 159                                                 requestInfo.getOrderNumber());
 160                         }
 161
 162                         if(requestInfo.getOrderVersion() != null &&
 163                                         !requestInfo.getOrderVersion().isEmpty() ) {
 164                                 addTextChild(requestInformation, "order-version",
 165                                                 requestInfo.getOrderVersion());
 166                         }
 167
 168
 169                         addTextChild(requestInformation, "source", requestInfo.getSource());
 170                         addTextChild(requestInformation, "notification-url", requestInfo.getNotificationUrl());
 171
 172                         Element serviceInformation = addChild(root, "service-information");
 173                         addTextChild(serviceInformation, "service-type", request.getServiceInformation().getServiceType());
 174                         addTextChild(serviceInformation, "service-instance-id", request.getServiceInformation().getServiceInstanceId());
 175                         addTextChild(serviceInformation, "subscriber-name", request.getServiceInformation().getSubscriberName());
 176                         addTextChild(serviceInformation, "subscriber-global-id", request.getServiceInformation().getSubscriberGlobalId());
 177
 178                         Element agnosticServiceInformation = addChild(root, "agnostic-service-information");
 179                         addTextChild(agnosticServiceInformation, "operation", request.getSdncOperation());
 180                         addTextChild(agnosticServiceInformation, "service", request.getSdncService());
 181
 182                         // anydata is mandatory in the SDNC schema, so if the data we got is null,
 183                         // set use an empty string instead to ensure we generate an empty element.
 184
 185                         String anydata = request.getSdncServiceData();
 186                         if (anydata == null) {
 187                                 anydata = "";
 188                         }
 189
 190                         // content-type is also mandatory.
 191
 192                         String contentType = request.getSdncServiceDataType();
 193
 194                         if (contentType == null || contentType.isEmpty()) {
 195                                 if (anydata.isEmpty()) {
 196                                         contentType = "XML";
 197                                 } else {
 198                                         if (anydata.startsWith("<")) {
 199                                                 contentType = "XML";
 200                                         } else {
 201                                                 contentType = "JSON";
 202                                         }
 203                                 }
 204                         }
 205
 206                         addTextChild(agnosticServiceInformation, "content-type", contentType);
 207                         addTextChild(agnosticServiceInformation, "anydata", anydata);
 208                 } catch (Exception e) {
 209                         LOGGER.error(MessageEnum.RA_ERROR_CREATE_SDNC_REQUEST, "SDNC", "",
 210                                         MsoLogger.ErrorCode.BusinessProcesssError, "Exception in genSdncReq", e);
 211                         return null;
 212                 }
 213
 214                 String xml;
 215
 216                 try {
 217                         StringWriter writer = new StringWriter();
 218                         TransformerFactory factory = TransformerFactory.newInstance();
 219                         factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD,"");
 220                         factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_STYLESHEET,"");
 221                         Transformer transformer = factory.newTransformer();
 222                         transformer.setOutputProperty(OutputKeys.INDENT, "yes");
 223                         transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
 224                         transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
 225                         transformer.transform(new DOMSource(doc), new StreamResult(writer));
 226                         xml = writer.toString();
 227                 } catch (Exception e) {
 228                         LOGGER.error(MessageEnum.RA_ERROR_CONVERT_XML2STR, "", "",
 229                                 MsoLogger.ErrorCode.DataError, "Exception - domToStr", e);
 230                         return null;
 231                 }
 232
 233                 LOGGER.trace("Formatted SDNC service request XML:\n" + xml);
 234                 return xml;
 235         }
 236 }