src/main/java/org/onap/nbi/apis/serviceorder/SoClient.java

   1 /**
   2  *     Copyright (c) 2018 Orange
   3  *
   4  *     Licensed under the Apache License, Version 2.0 (the "License");
   5  *     you may not use this file except in compliance with the License.
   6  *     You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *     Unless required by applicable law or agreed to in writing, software
  11  *     distributed under the License is distributed on an "AS IS" BASIS,
  12  *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *     See the License for the specific language governing permissions and
  14  *     limitations under the License.
  15  */
  16 package org.onap.nbi.apis.serviceorder;
  17
  18 import org.onap.nbi.OnapComponentsUrlPaths;
  19 import org.onap.nbi.apis.serviceorder.model.consumer.CreateServiceInstanceResponse;
  20 import org.onap.nbi.apis.serviceorder.model.consumer.GetRequestStatusResponse;
  21 import org.onap.nbi.apis.serviceorder.model.consumer.MSOPayload;
  22 import org.onap.nbi.exceptions.BackendFunctionalException;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25 import org.springframework.beans.factory.annotation.Autowired;
  26 import org.springframework.beans.factory.annotation.Value;
  27 import org.springframework.http.HttpEntity;
  28 import org.springframework.http.HttpHeaders;
  29 import org.springframework.http.HttpMethod;
  30 import org.springframework.http.HttpStatus;
  31 import org.springframework.http.ResponseEntity;
  32 import org.springframework.stereotype.Service;
  33 import org.springframework.web.client.ResourceAccessException;
  34 import org.springframework.web.client.RestTemplate;
  35
  36 @Service
  37 public class SoClient {
  38
  39     public static final String RESPONSE_STATUS = "response status : ";
  40     public static final String RETURNS = " returns ";
  41     public static final String ERROR_ON_CALLING = "error on calling ";
  42     @Autowired
  43     private RestTemplate restTemplate;
  44
  45     @Value("${so.host}")
  46     private String soHostname;
  47
  48     @Value("${so.api.id}")
  49     private String soApiId;
  50
  51     @Value("${so.header.authorization}")
  52     private String soHeaderAuthorization;
  53
  54     private static final String HEADER_AUTHORIZATION = "Authorization";
  55     private static final String X_FROM_APP_ID = "X-FromAppId";
  56
  57     private static final Logger LOGGER = LoggerFactory.getLogger(SoClient.class);
  58
  59
  60     public ResponseEntity<CreateServiceInstanceResponse> callCreateServiceInstance(MSOPayload msoPayload) {
  61
  62         if (LOGGER.isDebugEnabled()) {
  63             LOGGER.debug("Calling SO CreateServiceInstance with msoPayload : " + msoPayload.toString());
  64         }
  65
  66         String url = soHostname + OnapComponentsUrlPaths.MSO_CREATE_SERVICE_INSTANCE_PATH;
  67
  68         try {
  69             ResponseEntity<CreateServiceInstanceResponse> response = restTemplate.exchange(url, HttpMethod.POST,
  70                     new HttpEntity<>(msoPayload, buildRequestHeader()), CreateServiceInstanceResponse.class);
  71
  72             logResponsePost(url, response);
  73             return response;
  74
  75         } catch (BackendFunctionalException|ResourceAccessException e) {
  76             LOGGER.error(ERROR_ON_CALLING + url + " ," + e);
  77             return null;
  78         }
  79     }
  80
  81     public ResponseEntity<CreateServiceInstanceResponse> callDeleteServiceInstance(MSOPayload msoPayload,
  82             String serviceId) {
  83
  84         if (LOGGER.isDebugEnabled()) {
  85             LOGGER.debug("Calling SO DeleteServiceInstance with msoPayload : " + msoPayload.toString());
  86         }
  87
  88         String url = soHostname + OnapComponentsUrlPaths.MSO_DELETE_REQUEST_STATUS_PATH + serviceId;
  89
  90         try {
  91             ResponseEntity<CreateServiceInstanceResponse> response = restTemplate.exchange(url, HttpMethod.DELETE,
  92                     new HttpEntity<>(msoPayload, buildRequestHeader()), CreateServiceInstanceResponse.class);
  93
  94             logResponsePost(url, response);
  95             return response;
  96
  97         } catch (BackendFunctionalException|ResourceAccessException e) {
  98             LOGGER.error(ERROR_ON_CALLING + url + " ," + e);
  99             return null;
 100         }
 101
 102     }
 103
 104     private void logResponsePost(String url, ResponseEntity<CreateServiceInstanceResponse> response) {
 105         LOGGER.info(RESPONSE_STATUS + response.getStatusCodeValue());
 106         if(LOGGER.isDebugEnabled()){
 107             LOGGER.debug("response body : {}", response.getBody().toString());
 108         }
 109
 110         if (LOGGER.isWarnEnabled() && !response.getStatusCode().equals(HttpStatus.CREATED)) {
 111             LOGGER.warn("HTTP call SO on {} returns {} , {}",url ,response.getStatusCodeValue(), response.getBody().toString());
 112         }
 113     }
 114
 115
 116     public GetRequestStatusResponse callGetRequestStatus(String requestId) {
 117         String url = soHostname + OnapComponentsUrlPaths.MSO_GET_REQUEST_STATUS_PATH + requestId;
 118
 119         try {
 120
 121             ResponseEntity<GetRequestStatusResponse> response = restTemplate.exchange(url, HttpMethod.GET,
 122                     new HttpEntity<>(buildRequestHeader()), GetRequestStatusResponse.class);
 123             logResponseGet(url, response);
 124             return response.getBody();
 125
 126         } catch (BackendFunctionalException|ResourceAccessException e) {
 127             LOGGER.error(ERROR_ON_CALLING + url + " ," + e);
 128             return null;
 129         }
 130     }
 131
 132     private void logResponseGet(String url, ResponseEntity<GetRequestStatusResponse> response) {
 133         if(response!=null){
 134             if(LOGGER.isDebugEnabled()){
 135                 LOGGER.debug("response body : {}", response.getBody().toString());
 136             }
 137             LOGGER.info("response status : {}", response.getStatusCodeValue());
 138             if (LOGGER.isWarnEnabled() && !response.getStatusCode().equals(HttpStatus.OK)) {
 139                 LOGGER.warn("HTTP call SO on {} returns {} , {}",url ,response.getStatusCodeValue(), response.getBody().toString());
 140             }
 141         } else {
 142             LOGGER.info("no response calling url {}",url);
 143         }
 144     }
 145
 146     private HttpHeaders buildRequestHeader() {
 147         HttpHeaders httpHeaders = new HttpHeaders();
 148         httpHeaders.add(HEADER_AUTHORIZATION, soHeaderAuthorization);
 149         httpHeaders.add(X_FROM_APP_ID, soApiId);
 150         httpHeaders.add("Accept", "application/json");
 151         httpHeaders.add("Content-Type", "application/json");
 152         return httpHeaders;
 153     }
 154
 155 }