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.ErrorCode;
  43 import org.onap.so.logger.MessageEnum;
  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
  69                 String sdncRequestId = request.getSdncRequestId();
  70                 String sdncService = request.getSdncService();
  71                 String sdncOperation = request.getSdncOperation();
  72
  73                 TypedRequestTunables rt = new TypedRequestTunables(sdncRequestId, myUrlSuffix);
  74                 rt.setServiceKey(sdncService, sdncOperation);
  75                 TypedRequestTunables mappedTunables;
  76                 try {
  77                         mappedTunables = mapTunables.setTunables(rt);
  78                 } catch(SDNCAdapterException e) {
  79                         bpRestCallback.send(request.getBPNotificationUrl(), e.getMessage());
  80                         return;
  81                 }
  82                 if (!mappedTunables.getError().isEmpty()) {
  83                         // Note that the error was logged and alarmed by setTunables()
  84                         SDNCServiceError error = new SDNCServiceError(request.getSdncRequestId(),
  85                                 String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR), mappedTunables.getError(), "Y");
  86                         bpRestCallback.send(request.getBPNotificationUrl(), error.toJson());
  87                         return;
  88                 }
  89
  90                 String xml = genSdncReq(request, mappedTunables);
  91
  92                 long sdncStartTime = System.currentTimeMillis();
  93                 SDNCResponseCommon response = connector.send(xml, mappedTunables);
  94
  95                 long bpStartTime = System.currentTimeMillis();
  96                 boolean callbackSuccess = bpRestCallback.send(request.getBPNotificationUrl(), response.toJson());
  97         }
  98
  99         private Element addChild(Element parent, String tag) {
 100                 Element child = parent.getOwnerDocument().createElement(tag);
 101                 parent.appendChild(child);
 102                 return child;
 103         }
 104
 105         private void addTextChild(Element parent, String tag, String text) {
 106                 if (text != null) {
 107                         Element child = parent.getOwnerDocument().createElement(tag);
 108                         child.setTextContent(text);
 109                         parent.appendChild(child);
 110                 }
 111         }
 112
 113         private String genSdncReq(SDNCServiceRequest request, TypedRequestTunables rt) {
 114                 Document doc;
 115
 116                 try {
 117                         DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
 118                         DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
 119
 120                         doc = documentBuilder.newDocument();
 121                         Element root = doc.createElementNS(rt.getNamespace(), "input");
 122                         doc.appendChild(root);
 123
 124                         Element hdr = addChild(root, rt.getHeaderName());
 125                         addTextChild(hdr, "svc-request-id", rt.getReqId());
 126                         addTextChild(hdr, "svc-notification-url", rt.getMyUrl());
 127
 128                         RequestInformation requestInfo = request.getRequestInformation();
 129                         Element requestInformation = addChild(root, "request-information");
 130                         addTextChild(requestInformation, "request-id", requestInfo.getRequestId());
 131
 132
 133                         if(requestInfo.getRequestAction()!= null) {
 134                                 addTextChild(requestInformation, "request-action",
 135                                                 requestInfo.getRequestAction());
 136                         }
 137                         if(requestInfo.getRequestSubAction()!= null) {
 138                                 addTextChild(requestInformation, "request-sub-action",
 139                                                 requestInfo.getRequestSubAction());
 140                         }
 141                         if(requestInfo.getOrderNumber() != null &&
 142                                         !requestInfo.getOrderNumber().isEmpty() ) {
 143                                 addTextChild(requestInformation, "order-number",
 144                                                 requestInfo.getOrderNumber());
 145                         }
 146
 147                         if(requestInfo.getOrderVersion() != null &&
 148                                         !requestInfo.getOrderVersion().isEmpty() ) {
 149                                 addTextChild(requestInformation, "order-version",
 150                                                 requestInfo.getOrderVersion());
 151                         }
 152
 153
 154                         addTextChild(requestInformation, "source", requestInfo.getSource());
 155                         addTextChild(requestInformation, "notification-url", requestInfo.getNotificationUrl());
 156
 157                         Element serviceInformation = addChild(root, "service-information");
 158                         addTextChild(serviceInformation, "service-type", request.getServiceInformation().getServiceType());
 159                         addTextChild(serviceInformation, "service-instance-id", request.getServiceInformation().getServiceInstanceId());
 160                         addTextChild(serviceInformation, "subscriber-name", request.getServiceInformation().getSubscriberName());
 161                         addTextChild(serviceInformation, "subscriber-global-id", request.getServiceInformation().getSubscriberGlobalId());
 162
 163                         Element agnosticServiceInformation = addChild(root, "agnostic-service-information");
 164                         addTextChild(agnosticServiceInformation, "operation", request.getSdncOperation());
 165                         addTextChild(agnosticServiceInformation, "service", request.getSdncService());
 166
 167                         // anydata is mandatory in the SDNC schema, so if the data we got is null,
 168                         // set use an empty string instead to ensure we generate an empty element.
 169
 170                         String anydata = request.getSdncServiceData();
 171                         if (anydata == null) {
 172                                 anydata = "";
 173                         }
 174
 175                         // content-type is also mandatory.
 176
 177                         String contentType = request.getSdncServiceDataType();
 178
 179                         if (contentType == null || contentType.isEmpty()) {
 180                                 if (anydata.isEmpty()) {
 181                                         contentType = "XML";
 182                                 } else {
 183                                         if (anydata.startsWith("<")) {
 184                                                 contentType = "XML";
 185                                         } else {
 186                                                 contentType = "JSON";
 187                                         }
 188                                 }
 189                         }
 190
 191                         addTextChild(agnosticServiceInformation, "content-type", contentType);
 192                         addTextChild(agnosticServiceInformation, "anydata", anydata);
 193                 } catch (Exception e) {
 194                         logger.error("{} {} {} {}", MessageEnum.RA_ERROR_CREATE_SDNC_REQUEST.toString(), "SDNC",
 195                                         ErrorCode.BusinessProcesssError.getValue(), "Exception in genSdncReq", e);
 196                         return null;
 197                 }
 198
 199                 String xml;
 200
 201                 try {
 202                         StringWriter writer = new StringWriter();
 203                         TransformerFactory factory = TransformerFactory.newInstance();
 204                         factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD,"");
 205                         factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_STYLESHEET,"");
 206                         Transformer transformer = factory.newTransformer();
 207                         transformer.setOutputProperty(OutputKeys.INDENT, "yes");
 208                         transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
 209                         transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
 210                         transformer.transform(new DOMSource(doc), new StreamResult(writer));
 211                         xml = writer.toString();
 212                 } catch (Exception e) {
 213                         logger.error("{} {} {}", MessageEnum.RA_ERROR_CONVERT_XML2STR.toString(), ErrorCode.DataError.getValue(),
 214                                         "Exception - domToStr", e);
 215                         return null;
 216                 }
 217
 218                 logger.trace("Formatted SDNC service request XML:\n {}", xml);
 219                 return xml;
 220         }
 221 }