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

   1 /**
   2  *
   3  *     Copyright (c) 2017 Orange.  All rights reserved.
   4  *
   5  *     Licensed under the Apache License, Version 2.0 (the "License");
   6  *     you may not use this file except in compliance with the License.
   7  *     You may obtain a copy of the License at
   8  *
   9  *         http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *     Unless required by applicable law or agreed to in writing, software
  12  *     distributed under the License is distributed on an "AS IS" BASIS,
  13  *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *     See the License for the specific language governing permissions and
  15  *     limitations under the License.
  16  */
  17 package org.onap.nbi.apis.serviceorder;
  18
  19 import org.onap.nbi.OnapComponentsUrlPaths;
  20 import org.onap.nbi.apis.serviceorder.model.consumer.CreateServiceInstanceResponse;
  21 import org.onap.nbi.apis.serviceorder.model.consumer.GetRequestStatusResponse;
  22 import org.onap.nbi.apis.serviceorder.model.consumer.RequestDetails;
  23 import org.onap.nbi.exceptions.BackendFunctionalException;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26 import org.springframework.beans.factory.annotation.Autowired;
  27 import org.springframework.beans.factory.annotation.Value;
  28 import org.springframework.http.HttpEntity;
  29 import org.springframework.http.HttpHeaders;
  30 import org.springframework.http.HttpMethod;
  31 import org.springframework.http.HttpStatus;
  32 import org.springframework.http.ResponseEntity;
  33 import org.springframework.stereotype.Service;
  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 RESPONSE_BODY = "response body : ";
  41     public static final String RETURNS = " returns ";
  42     public static final String ERROR_ON_CALLING = "error on calling ";
  43     @Autowired
  44     private RestTemplate restTemplate;
  45
  46     @Value("${so.host}")
  47     private String soHostname;
  48
  49     @Value("${so.api.id}")
  50     private String soApiId;
  51
  52     @Value("${so.header.authorization}")
  53     private String soHeaderAuthorization;
  54
  55     private static final String HEADER_AUTHORIZATION = "Authorization";
  56     private static final String X_FROM_APP_ID = "X-FromAppId";
  57
  58     private static final Logger LOGGER = LoggerFactory.getLogger(SoClient.class);
  59
  60
  61     public ResponseEntity<CreateServiceInstanceResponse> callCreateServiceInstance(RequestDetails requestDetails) {
  62
  63         if (LOGGER.isDebugEnabled()) {
  64             LOGGER.debug("Calling SO CreateServiceInstance with requestDetails : " + requestDetails.toString());
  65         }
  66
  67         String url = soHostname + OnapComponentsUrlPaths.MSO_CREATE_SERVICE_INSTANCE_PATH;
  68
  69         HttpEntity<RequestDetails> requestDetailEntity = new HttpEntity<>(requestDetails, buildRequestHeader());
  70
  71         try {
  72             ResponseEntity<CreateServiceInstanceResponse> response = restTemplate.exchange(url, HttpMethod.POST,
  73                     new HttpEntity<>(requestDetailEntity, buildRequestHeader()), CreateServiceInstanceResponse.class);
  74
  75             logResponsePost(url, response);
  76             return response;
  77
  78         } catch (BackendFunctionalException e) {
  79             LOGGER.error(ERROR_ON_CALLING + url + " ," + e);
  80             return null;
  81         }
  82     }
  83
  84     public ResponseEntity<CreateServiceInstanceResponse> callDeleteServiceInstance(RequestDetails requestDetails,
  85             String serviceId) {
  86
  87         if (LOGGER.isDebugEnabled()) {
  88             LOGGER.debug("Calling SO DeleteServiceInstance with requestDetails : " + requestDetails.toString());
  89         }
  90
  91         String url = soHostname + OnapComponentsUrlPaths.MSO_DELETE_REQUEST_STATUS_PATH + serviceId;
  92
  93         HttpEntity<RequestDetails> requestDetailEntity = new HttpEntity<>(requestDetails, buildRequestHeader());
  94
  95         try {
  96             ResponseEntity<CreateServiceInstanceResponse> response = restTemplate.exchange(url, HttpMethod.DELETE,
  97                     new HttpEntity<>(requestDetailEntity, buildRequestHeader()), CreateServiceInstanceResponse.class);
  98
  99             logResponsePost(url, response);
 100             return response;
 101
 102         } catch (BackendFunctionalException e) {
 103             LOGGER.error(ERROR_ON_CALLING + url + " ," + e);
 104             return null;
 105         }
 106
 107     }
 108
 109     private void logResponsePost(String url, ResponseEntity<CreateServiceInstanceResponse> response) {
 110         LOGGER.info(RESPONSE_STATUS + response.getStatusCodeValue());
 111         LOGGER.debug(RESPONSE_BODY + response.getBody().toString());
 112
 113         if (!response.getStatusCode().equals(HttpStatus.CREATED)) {
 114             LOGGER.warn("HTTP call SO on " + url + RETURNS + response.getStatusCodeValue() + ", "
 115                     + response.getBody().toString());
 116         }
 117     }
 118
 119
 120     public GetRequestStatusResponse callGetRequestStatus(String requestId) {
 121         String url = soHostname + OnapComponentsUrlPaths.MSO_GET_REQUEST_STATUS_PATH + requestId;
 122
 123         try {
 124
 125             ResponseEntity<GetRequestStatusResponse> response = restTemplate.exchange(url, HttpMethod.GET,
 126                     new HttpEntity<>(buildRequestHeader()), GetRequestStatusResponse.class);
 127             logResponseGet(url, response);
 128             return response.getBody();
 129
 130         } catch (BackendFunctionalException e) {
 131             LOGGER.error(ERROR_ON_CALLING + url + " ," + e);
 132             return null;
 133         }
 134     }
 135
 136     private void logResponseGet(String url, ResponseEntity<GetRequestStatusResponse> response) {
 137         LOGGER.debug(RESPONSE_BODY + response.getBody().toString());
 138         LOGGER.info(RESPONSE_STATUS + response.getStatusCodeValue());
 139         if (!response.getStatusCode().equals(HttpStatus.OK)) {
 140             LOGGER.warn("HTTP call on " + url + RETURNS + response.getStatusCodeValue() + ", "
 141                     + response.getBody().toString());
 142         }
 143     }
 144
 145     private HttpHeaders buildRequestHeader() {
 146         HttpHeaders httpHeaders = new HttpHeaders();
 147         httpHeaders.add(HEADER_AUTHORIZATION, soHeaderAuthorization);
 148         httpHeaders.add(X_FROM_APP_ID, soApiId);
 149         httpHeaders.add("Accept", "application/json");
 150         httpHeaders.add("Content-Type", "application/json");
 151         return httpHeaders;
 152     }
 153
 154 }