bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/network/tasks/NetworkAdapterRestV1.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 - 2019 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.bpmn.infrastructure.adapter.network.tasks;
  22
  23 import java.io.StringReader;
  24 import java.util.Optional;
  25
  26 import javax.ws.rs.core.Response;
  27 import javax.xml.bind.JAXBContext;
  28 import javax.xml.bind.JAXBException;
  29 import javax.xml.bind.Unmarshaller;
  30
  31 import org.camunda.bpm.engine.delegate.DelegateExecution;
  32 import org.onap.so.adapters.nwrest.CreateNetworkError;
  33 import org.onap.so.adapters.nwrest.CreateNetworkRequest;
  34 import org.onap.so.adapters.nwrest.CreateNetworkResponse;
  35 import org.onap.so.adapters.nwrest.DeleteNetworkError;
  36 import org.onap.so.adapters.nwrest.DeleteNetworkRequest;
  37 import org.onap.so.adapters.nwrest.DeleteNetworkResponse;
  38 import org.onap.so.adapters.nwrest.UpdateNetworkError;
  39 import org.onap.so.adapters.nwrest.UpdateNetworkRequest;
  40 import org.onap.so.adapters.nwrest.UpdateNetworkResponse;
  41 import org.onap.so.client.exception.ExceptionBuilder;
  42 import org.onap.so.client.orchestration.NetworkAdapterResources;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45 import org.springframework.beans.factory.annotation.Autowired;
  46 import org.springframework.stereotype.Component;
  47
  48 @Component
  49 public class NetworkAdapterRestV1 {
  50
  51         private static final Logger logger = LoggerFactory.getLogger(NetworkAdapterRestV1.class);
  52
  53         private static final String NETWORK_REQUEST = "networkAdapterRequest";
  54         private static final String NETWORK_MESSAGE = "NetworkAResponse_MESSAGE";
  55         private static final String NETWORK_SYNC_CODE = "NETWORKREST_networkAdapterStatusCode";
  56         private static final String NETWORK_SYNC_RESPONSE = "NETWORKREST_networkAdapterResponse";
  57         private static final String NETWORK_CORRELATOR = "NetworkAResponse_CORRELATOR";
  58
  59         @Autowired
  60         private ExceptionBuilder exceptionBuilder;
  61
  62         @Autowired
  63         private NetworkAdapterResources networkAdapterResources;
  64
  65         public void callNetworkAdapter (DelegateExecution execution) {
  66                 try {
  67                         Object networkAdapterRequest = execution.getVariable(NETWORK_REQUEST);
  68                         if (networkAdapterRequest != null) {
  69                                 Optional<Response> response = Optional.empty();
  70                                 if (networkAdapterRequest instanceof CreateNetworkRequest) {
  71                                         CreateNetworkRequest createNetworkRequest = (CreateNetworkRequest) networkAdapterRequest;
  72                                         execution.setVariable(NETWORK_CORRELATOR, createNetworkRequest.getMessageId());
  73                                         response = networkAdapterResources.createNetworkAsync(createNetworkRequest);
  74                                 } else if (networkAdapterRequest instanceof DeleteNetworkRequest) {
  75                                         DeleteNetworkRequest deleteNetworkRequest = (DeleteNetworkRequest) networkAdapterRequest;
  76                                         execution.setVariable(NETWORK_CORRELATOR, deleteNetworkRequest.getMessageId());
  77                                         response = networkAdapterResources.deleteNetworkAsync(deleteNetworkRequest);
  78                                 } else if (networkAdapterRequest instanceof UpdateNetworkRequest) {
  79                                         UpdateNetworkRequest updateNetworkRequest = (UpdateNetworkRequest) networkAdapterRequest;
  80                                         execution.setVariable(NETWORK_CORRELATOR, updateNetworkRequest.getMessageId());
  81                                         response = networkAdapterResources.updateNetworkAsync(updateNetworkRequest);
  82                                 }
  83                                 if(response.isPresent()) {
  84                                         String statusCode = Integer.toString(response.get().getStatus());
  85                                         String responseString = "";
  86                                         if(response.get().getEntity() != null) {
  87                                                 responseString = (String) response.get().getEntity();
  88                                         }
  89                                         execution.setVariable(NETWORK_SYNC_CODE, statusCode);
  90                                         execution.setVariable(NETWORK_SYNC_RESPONSE, responseString);
  91                                 } else {
  92                                         throw new Exception("No Ack response from Openstack Adapter");
  93                                 }
  94                         } else {
  95                                 throw new Exception("No Network Request was created. networkAdapterRequest was null.");
  96                         }
  97                 } catch (Exception ex) {
  98                         exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, ex);
  99                 }
 100         }
 101
 102         public void processCallback (DelegateExecution execution) {
 103                 try {
 104                         Object networkAdapterRequest = execution.getVariable(NETWORK_REQUEST);
 105                         String callback = (String) execution.getVariable(NETWORK_MESSAGE);
 106                         String logCallbackMessage = "Callback from OpenstackAdapter: " + callback;
 107                         logger.debug(logCallbackMessage);
 108                         if (networkAdapterRequest != null) {
 109                                 if (networkAdapterRequest instanceof CreateNetworkRequest) {
 110                                         if(callback.contains("createNetworkError")) {
 111                                                 CreateNetworkError createNetworkError = (CreateNetworkError) unmarshalXml(callback, CreateNetworkError.class);
 112                                                 throw new Exception(createNetworkError.getMessage());
 113                                         } else {
 114                                                 CreateNetworkResponse createNetworkResponse = (CreateNetworkResponse) unmarshalXml(callback, CreateNetworkResponse.class);
 115                                                 execution.setVariable("createNetworkResponse", createNetworkResponse);
 116                                         }
 117                                 } else if (networkAdapterRequest instanceof DeleteNetworkRequest) {
 118                                         if(callback.contains("deleteNetworkError")) {
 119                                                 DeleteNetworkError deleteNetworkError = (DeleteNetworkError) unmarshalXml(callback, DeleteNetworkError.class);
 120                                                 throw new Exception(deleteNetworkError.getMessage());
 121                                         } else {
 122                                                 DeleteNetworkResponse deleteNetworkResponse = (DeleteNetworkResponse) unmarshalXml(callback, DeleteNetworkResponse.class);
 123                                                 execution.setVariable("deleteNetworkResponse", deleteNetworkResponse);
 124                                         }
 125                                 } else if (networkAdapterRequest instanceof UpdateNetworkRequest) {
 126                                         if (callback.contains("updateNetworkError")) {
 127                                                 UpdateNetworkError updateNetworkError = (UpdateNetworkError) unmarshalXml(callback, UpdateNetworkError.class);
 128                                                 throw new Exception(updateNetworkError.getMessage());
 129                                         } else {
 130                                                 UpdateNetworkResponse updateNetworkResponse = (UpdateNetworkResponse) unmarshalXml(callback, UpdateNetworkResponse.class);
 131                                                 execution.setVariable("updateNetworkResponse", updateNetworkResponse);
 132                                         }
 133                                 }
 134                         }
 135                 } catch (Exception e) {
 136                         logger.error("Error in Openstack Adapter callback", e);
 137                         exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, e.getMessage());
 138                 }
 139         }
 140
 141         protected <T> Object unmarshalXml(String xmlString, Class<T> resultClass) throws JAXBException {
 142                 StringReader reader = new StringReader(xmlString);
 143                 JAXBContext context = JAXBContext.newInstance(resultClass);
 144                 Unmarshaller unmarshaller = context.createUnmarshaller();
 145                 return unmarshaller.unmarshal(reader);
 146         }
 147
 148         public void handleTimeOutException (DelegateExecution execution) {
 149                 exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, "Error timed out waiting on Openstack Async-Response");
 150         }
 151
 152         public void handleSyncError (DelegateExecution execution) {
 153                 String statusCode = (String) execution.getVariable(NETWORK_SYNC_CODE);
 154                 String responseString = (String) execution.getVariable(NETWORK_SYNC_RESPONSE);
 155                 String errorMessage = "Error with Openstack Adapter Sync Request: StatusCode = " + statusCode + " Response = " + responseString;
 156                 exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, errorMessage);
 157         }
 158 }