diff options
Diffstat (limited to 'src/main/java/org/onap/avcnmanager/message/forwarders/RestForwarder.java')
-rw-r--r-- | src/main/java/org/onap/avcnmanager/message/forwarders/RestForwarder.java | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/main/java/org/onap/avcnmanager/message/forwarders/RestForwarder.java b/src/main/java/org/onap/avcnmanager/message/forwarders/RestForwarder.java new file mode 100644 index 0000000..6f1e6a8 --- /dev/null +++ b/src/main/java/org/onap/avcnmanager/message/forwarders/RestForwarder.java @@ -0,0 +1,86 @@ +/*- + * ============LICENSE_START======================================================= + * Simulator + * ================================================================================ + * Copyright (C) 2021 Nokia. All rights reserved. + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.avcnmanager.message.forwarders; + +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.node.ObjectNode; +import org.onap.avcnmanager.message.processing.ParsingResult; +import org.onap.avcnmanager.utils.JsonUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.http.HttpEntity; +import org.springframework.http.HttpHeaders; +import org.springframework.http.MediaType; +import org.springframework.stereotype.Component; +import org.springframework.web.client.RestTemplate; + +@Component +public class RestForwarder implements Forwarder { + private static final Logger LOGGER = LoggerFactory.getLogger(RestForwarder.class); + private static final String PNF_PAYLOAD_TEMPLATE = "pnfsim_payload_notification.json"; + private final String pnfSimulatorEndpoint; + private final RestTemplate restTemplate; + private final String vesEndpoint; + private final HttpHeaders headers; + private final JsonNode pnfSimJson; + private final JsonUtils jsonUtils; + + public RestForwarder(@Value("${rest.client.pnfsimulator.endpoint}") String pnfSimulatorEndpoint, + @Value("${rest.client.ves.endpoint}") String vesEndpoint, + RestTemplate restTemplate, + JsonUtils jsonUtils) { + this.pnfSimulatorEndpoint = pnfSimulatorEndpoint; + this.restTemplate = restTemplate; + this.vesEndpoint = vesEndpoint; + this.jsonUtils = jsonUtils; + this.headers = new HttpHeaders(); + this.pnfSimJson = jsonUtils.jsonNodeFromResourceFile(PNF_PAYLOAD_TEMPLATE); + headers.setContentType(MediaType.APPLICATION_JSON); + } + + @Override + public void send(ParsingResult message) { + String resultAsJson = jsonUtils.convertToJsonString(message); + JsonNode node = jsonUtils.convertToJsonNode(resultAsJson); + String payload = fillSimulatorRequest(node); + LOGGER.info("Will send payload: " + payload); + sendPayload(payload); + } + + + private String fillSimulatorRequest(JsonNode node) { + ObjectNode root = pnfSimJson.deepCopy(); + ((ObjectNode)root.get("simulatorParams")).put("vesServerUrl", vesEndpoint); + root.set("variables", node); + return root.toString(); + } + + private void sendPayload(String payload) { + try { + HttpEntity<String> requestEntity = new HttpEntity<>(payload, headers); + restTemplate.postForObject(pnfSimulatorEndpoint, requestEntity, String.class); + } catch (Throwable e) { + LOGGER.error("Exception occurred: " + e.getMessage() + ", while sending: " + payload + ", the payload is skipped"); + LOGGER.debug("Exception details: ", e); + } + } +} |