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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.mso.adapters.sdnc.sdncrest;
import org.openecomp.mso.adapters.sdncrest.SDNCErrorCommon;
import org.openecomp.mso.adapters.sdncrest.SDNCResponseCommon;
import org.openecomp.mso.adapters.sdncrest.SDNCServiceError;
import org.openecomp.mso.adapters.sdncrest.SDNCServiceRequest;
import org.openecomp.mso.logger.MessageEnum;
import org.openecomp.mso.logger.MsoLogger;
import org.apache.http.HttpStatus;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.StringWriter;
public class SDNCServiceRequestTask implements Runnable {
private static final MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
private final SDNCServiceRequest request;
private final String msoRequestId;
private final String msoServiceInstanceId;
private final String myUrlSuffix;
public SDNCServiceRequestTask(SDNCServiceRequest request,
String msoRequestId, String msoServiceInstanceId,
String myUrlSuffix) {
this.request = request;
this.msoRequestId = msoRequestId;
this.msoServiceInstanceId = msoServiceInstanceId;
this.myUrlSuffix = myUrlSuffix;
}
@Override
public void run()
{
MsoLogger.setLogContext(msoRequestId, msoServiceInstanceId);
MsoLogger.setServiceName(getClass().getSimpleName());
LOGGER.debug(getClass().getSimpleName() + ".run()"
+ " entered with request: " + request.toJson());
String sdncRequestId = request.getSDNCRequestId();
String sdncService = request.getSDNCService();
String sdncOperation = request.getSDNCOperation();
TypedRequestTunables rt = new TypedRequestTunables(sdncRequestId, myUrlSuffix);
rt.setServiceKey(sdncService, sdncOperation);
if (!rt.setTunables()) {
// Note that the error was logged and alarmed by setTunables()
SDNCServiceError error = new SDNCServiceError(request.getSDNCRequestId(),
String.valueOf(HttpStatus.SC_INTERNAL_SERVER_ERROR), rt.getError(), "Y");
BPRestCallback callback = new BPRestCallback();
callback.send(request.getBPNotificationUrl(), error.toJson());
return;
}
String xml = genSdncReq(request, rt);
long sdncStartTime = System.currentTimeMillis();
SDNCConnector connector = new SDNCServiceRequestConnector();
SDNCResponseCommon response = connector.send(xml, rt);
if (response instanceof SDNCErrorCommon) {
LOGGER.recordMetricEvent(sdncStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
"Received success response from SDNC", "SDNC", sdncService + "." + sdncOperation, null);
} else {
LOGGER.recordMetricEvent(sdncStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError,
"Received error response from SDNC", "SDNC", sdncService + "." + sdncOperation, null);
}
long bpStartTime = System.currentTimeMillis();
BPRestCallback callback = new BPRestCallback();
boolean callbackSuccess = callback.send(request.getBPNotificationUrl(), response.toJson());
if (callbackSuccess) {
LOGGER.recordMetricEvent(bpStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
"Sent notification", "BPMN", request.getBPNotificationUrl(), null);
} else {
LOGGER.recordMetricEvent(bpStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.CommunicationError,
"Failed to send notification", "BPMN", request.getBPNotificationUrl(), null);
}
}
private Element addChild(Element parent, String tag) {
Element child = parent.getOwnerDocument().createElement(tag);
parent.appendChild(child);
return child;
}
private void addTextChild(Element parent, String tag, String text) {
if (text != null) {
Element child = parent.getOwnerDocument().createElement(tag);
child.setTextContent(text);
parent.appendChild(child);
}
}
private String genSdncReq(SDNCServiceRequest request, TypedRequestTunables rt) {
Document doc;
try {
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
doc = documentBuilder.newDocument();
Element root = doc.createElementNS(rt.getNamespace(), "input");
doc.appendChild(root);
Element hdr = addChild(root, rt.getHeaderName());
addTextChild(hdr, "svc-request-id", rt.getReqId());
addTextChild(hdr, "svc-notification-url", rt.getMyUrl());
Element requestInformation = addChild(root, "request-information");
addTextChild(requestInformation, "request-id", request.getRequestInformation().getRequestId());
addTextChild(requestInformation, "source", request.getRequestInformation().getSource());
addTextChild(requestInformation, "notification-url", request.getRequestInformation().getNotificationUrl());
Element serviceInformation = addChild(root, "service-information");
addTextChild(serviceInformation, "service-type", request.getServiceInformation().getServiceType());
addTextChild(serviceInformation, "service-instance-id", request.getServiceInformation().getServiceInstanceId());
addTextChild(serviceInformation, "subscriber-name", request.getServiceInformation().getSubscriberName());
addTextChild(serviceInformation, "subscriber-global-id", request.getServiceInformation().getSubscriberGlobalId());
Element agnosticServiceInformation = addChild(root, "agnostic-service-information");
addTextChild(agnosticServiceInformation, "operation", request.getSDNCOperation());
addTextChild(agnosticServiceInformation, "service", request.getSDNCService());
// anydata is mandatory in the SDNC schema, so if the data we got is null,
// set use an empty string instead to ensure we generate an empty element.
String anydata = request.getSDNCServiceData();
if (anydata == null) {
anydata = "";
}
// content-type is also mandatory.
String contentType = request.getSDNCServiceDataType();
if (contentType == null || contentType.isEmpty()) {
if (anydata.isEmpty()) {
contentType = "XML";
} else {
if (anydata.startsWith("<")) {
contentType = "XML";
} else {
contentType = "JSON";
}
}
}
addTextChild(agnosticServiceInformation, "content-type", contentType);
addTextChild(agnosticServiceInformation, "anydata", anydata);
} catch (Exception e) {
LOGGER.error(MessageEnum.RA_ERROR_CREATE_SDNC_REQUEST, "SDNC", "",
MsoLogger.ErrorCode.BusinessProcesssError, "Exception in genSdncReq", e);
return null;
}
String xml;
try {
StringWriter writer = new StringWriter();
Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
transformer.transform(new DOMSource(doc), new StreamResult(writer));
xml = writer.toString();
} catch (Exception e) {
LOGGER.error(MessageEnum.RA_ERROR_CONVERT_XML2STR, "", "",
MsoLogger.ErrorCode.DataError, "Exception - domToStr", e);
return null;
}
LOGGER.debug("Formatted SDNC service request XML:\n" + xml);
return xml;
}
}
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