diff options
Diffstat (limited to 'src/main/java/org/onap/nbi/apis/hub/ExtApiClientForHub.java')
-rw-r--r-- | src/main/java/org/onap/nbi/apis/hub/ExtApiClientForHub.java | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/main/java/org/onap/nbi/apis/hub/ExtApiClientForHub.java b/src/main/java/org/onap/nbi/apis/hub/ExtApiClientForHub.java new file mode 100644 index 0000000..10d6f7c --- /dev/null +++ b/src/main/java/org/onap/nbi/apis/hub/ExtApiClientForHub.java @@ -0,0 +1,90 @@ +/** + * Copyright (c) 2019 Amdocs + * + * 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. + */ +package org.onap.nbi.apis.hub; + +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import org.onap.nbi.apis.hub.model.Subscription; +import org.onap.nbi.exceptions.BackendFunctionalException; +import org.onap.nbi.exceptions.TechnicalException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.http.*; +import org.springframework.stereotype.Service; +import org.springframework.web.client.ResourceAccessException; +import org.springframework.web.client.RestTemplate; + +@Service +public class ExtApiClientForHub { + + @Autowired + RestTemplate restTemplate; + + @Value("${external.nbi.url}") + private String externalNbiUrl; + + @Value("${nbi.url}") + private String nbiUrl; + + private static final Logger LOGGER = LoggerFactory.getLogger(ExtApiClientForHub.class); + + private static final ObjectMapper mapper = new ObjectMapper(); + + public ResponseEntity<Object> postEventSubscription(Subscription subscription, String targetURL) { + try { + + + String url = externalNbiUrl.replace("{targetUrl}", targetURL) + "/hub"; + LOGGER.debug("Sending create event notification request to " + url); + String nbiListenerUrl = nbiUrl + "/listener"; + subscription.setCallback(nbiListenerUrl); + String subscriptionAsBody = mapper.writeValueAsString(subscription); + ResponseEntity<Object> response = postRequest(url, subscriptionAsBody, buildRequestHeaders()); + LOGGER.info("Received response from " + targetURL + "with status : " + response.getStatusCode()); + LOGGER.debug("Response Body: " + response.getBody()); + return response; + }catch(JsonProcessingException ex) { + LOGGER.error("error occurred while parsing service order to Json: " + ex); + throw new TechnicalException("error occurred while parsing service order to Json:"+ HttpStatus.INTERNAL_SERVER_ERROR); + } + } + + private HttpHeaders buildRequestHeaders() { + HttpHeaders httpHeaders = new HttpHeaders(); + httpHeaders.add("Accept", "application/json"); + httpHeaders.add("Content-Type", "application/json"); + return httpHeaders; + } + + + private ResponseEntity<Object> postRequest(String url, String body, HttpHeaders httpHeaders) { + try { + ResponseEntity<Object> response = restTemplate.exchange(url, HttpMethod.POST, new HttpEntity<>(body, httpHeaders), Object.class); + return response; + }catch(BackendFunctionalException ex) { + LOGGER.error("error on calling " + url + " ," + ex); + return new ResponseEntity<>("problem calling onap services", ex.getHttpStatus()); + }catch (ResourceAccessException ex) { + LOGGER.error("error on calling " + url + " ," + ex); + return new ResponseEntity<>("unable to reach onap services", HttpStatus.INTERNAL_SERVER_ERROR); + + } + + } +} + |