gerrit.onap Code Review - so.git/blob

   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 import javax.ws.rs.core.Response;
  26 import javax.xml.bind.JAXBContext;
  27 import javax.xml.bind.JAXBException;
  28 import javax.xml.bind.Unmarshaller;
  29 import org.camunda.bpm.engine.delegate.DelegateExecution;
  30 import org.onap.so.adapters.nwrest.CreateNetworkError;
  31 import org.onap.so.adapters.nwrest.CreateNetworkRequest;
  32 import org.onap.so.adapters.nwrest.CreateNetworkResponse;
  33 import org.onap.so.adapters.nwrest.DeleteNetworkError;
  34 import org.onap.so.adapters.nwrest.DeleteNetworkRequest;
  35 import org.onap.so.adapters.nwrest.DeleteNetworkResponse;
  36 import org.onap.so.adapters.nwrest.UpdateNetworkError;
  37 import org.onap.so.adapters.nwrest.UpdateNetworkRequest;
  38 import org.onap.so.adapters.nwrest.UpdateNetworkResponse;
  39 import org.onap.so.client.exception.ExceptionBuilder;
  40 import org.onap.so.client.orchestration.NetworkAdapterResources;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43 import org.springframework.beans.factory.annotation.Autowired;
  44 import org.springframework.stereotype.Component;
  45
  46 @Component
  47 public class NetworkAdapterRestV1 {
  48
  49     private static final Logger logger = LoggerFactory.getLogger(NetworkAdapterRestV1.class);
  50
  51     private static final String NETWORK_REQUEST = "networkAdapterRequest";
  52     private static final String NETWORK_MESSAGE = "NetworkAResponse_MESSAGE";
  53     private static final String NETWORK_SYNC_CODE = "NETWORKREST_networkAdapterStatusCode";
  54     private static final String NETWORK_SYNC_RESPONSE = "NETWORKREST_networkAdapterResponse";
  55     private static final String NETWORK_CORRELATOR = "NetworkAResponse_CORRELATOR";
  56
  57     @Autowired
  58     private ExceptionBuilder exceptionBuilder;
  59
  60     @Autowired
  61     private NetworkAdapterResources networkAdapterResources;
  62
  63     public void callNetworkAdapter(DelegateExecution execution) {
  64         try {
  65             Object networkAdapterRequest = execution.getVariable(NETWORK_REQUEST);
  66             if (networkAdapterRequest != null) {
  67                 Optional<Response> response = Optional.empty();
  68                 if (networkAdapterRequest instanceof CreateNetworkRequest) {
  69                     CreateNetworkRequest createNetworkRequest = (CreateNetworkRequest) networkAdapterRequest;
  70                     execution.setVariable(NETWORK_CORRELATOR, createNetworkRequest.getMessageId());
  71                     response = networkAdapterResources.createNetworkAsync(createNetworkRequest);
  72                 } else if (networkAdapterRequest instanceof DeleteNetworkRequest) {
  73                     DeleteNetworkRequest deleteNetworkRequest = (DeleteNetworkRequest) networkAdapterRequest;
  74                     execution.setVariable(NETWORK_CORRELATOR, deleteNetworkRequest.getMessageId());
  75                     response = networkAdapterResources.deleteNetworkAsync(deleteNetworkRequest);
  76                 } else if (networkAdapterRequest instanceof UpdateNetworkRequest) {
  77                     UpdateNetworkRequest updateNetworkRequest = (UpdateNetworkRequest) networkAdapterRequest;
  78                     execution.setVariable(NETWORK_CORRELATOR, updateNetworkRequest.getMessageId());
  79                     response = networkAdapterResources.updateNetworkAsync(updateNetworkRequest);
  80                 }
  81                 if (response.isPresent()) {
  82                     String statusCode = Integer.toString(response.get().getStatus());
  83                     String responseString = "";
  84                     if (response.get().getEntity() != null) {
  85                         responseString = (String) response.get().getEntity();
  86                     }
  87                     execution.setVariable(NETWORK_SYNC_CODE, statusCode);
  88                     execution.setVariable(NETWORK_SYNC_RESPONSE, responseString);
  89                 } else {
  90                     throw new Exception("No Ack response from Openstack Adapter");
  91                 }
  92             } else {
  93                 throw new Exception("No Network Request was created. networkAdapterRequest was null.");
  94             }
  95         } catch (Exception ex) {
  96             exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, ex);
  97         }
  98     }
  99
 100     public void processCallback(DelegateExecution execution) {
 101         try {
 102             Object networkAdapterRequest = execution.getVariable(NETWORK_REQUEST);
 103             String callback = (String) execution.getVariable(NETWORK_MESSAGE);
 104             String logCallbackMessage = "Callback from OpenstackAdapter: " + callback;
 105             logger.debug(logCallbackMessage);
 106             if (networkAdapterRequest != null) {
 107                 if (networkAdapterRequest instanceof CreateNetworkRequest) {
 108                     if (callback.contains("createNetworkError")) {
 109                         CreateNetworkError createNetworkError =
 110                                 (CreateNetworkError) unmarshalXml(callback, CreateNetworkError.class);
 111                         throw new Exception(createNetworkError.getMessage());
 112                     } else {
 113                         CreateNetworkResponse createNetworkResponse =
 114                                 (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 =
 120                                 (DeleteNetworkError) unmarshalXml(callback, DeleteNetworkError.class);
 121                         throw new Exception(deleteNetworkError.getMessage());
 122                     } else {
 123                         DeleteNetworkResponse deleteNetworkResponse =
 124                                 (DeleteNetworkResponse) unmarshalXml(callback, DeleteNetworkResponse.class);
 125                         execution.setVariable("deleteNetworkResponse", deleteNetworkResponse);
 126                     }
 127                 } else if (networkAdapterRequest instanceof UpdateNetworkRequest) {
 128                     if (callback.contains("updateNetworkError")) {
 129                         UpdateNetworkError updateNetworkError =
 130                                 (UpdateNetworkError) unmarshalXml(callback, UpdateNetworkError.class);
 131                         throw new Exception(updateNetworkError.getMessage());
 132                     } else {
 133                         UpdateNetworkResponse updateNetworkResponse =
 134                                 (UpdateNetworkResponse) unmarshalXml(callback, UpdateNetworkResponse.class);
 135                         execution.setVariable("updateNetworkResponse", updateNetworkResponse);
 136                     }
 137                 }
 138             }
 139         } catch (Exception e) {
 140             logger.error("Error in Openstack Adapter callback", e);
 141             exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, e.getMessage());
 142         }
 143     }
 144
 145     protected <T> Object unmarshalXml(String xmlString, Class<T> resultClass) throws JAXBException {
 146         StringReader reader = new StringReader(xmlString);
 147         JAXBContext context = JAXBContext.newInstance(resultClass);
 148         Unmarshaller unmarshaller = context.createUnmarshaller();
 149         return unmarshaller.unmarshal(reader);
 150     }
 151
 152     public void handleTimeOutException(DelegateExecution execution) {
 153         exceptionBuilder.buildAndThrowWorkflowException(execution, 7000,
 154                 "Error timed out waiting on Openstack Async-Response");
 155     }
 156
 157     public void handleSyncError(DelegateExecution execution) {
 158         String statusCode = (String) execution.getVariable(NETWORK_SYNC_CODE);
 159         String responseString = (String) execution.getVariable(NETWORK_SYNC_RESPONSE);
 160         String errorMessage = "Error with Openstack Adapter Sync Request: StatusCode = " + statusCode + " Response = "
 161                 + responseString;
 162         exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, errorMessage);
 163     }
 164 }