2 * ============LICENSE_START=======================================================
3 * BBS-RELOCATION-CPE-AUTHENTICATION-HANDLER
4 * ================================================================================
5 * Copyright (C) 2019 NOKIA 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
11 * http://www.apache.org/licenses/LICENSE-2.0
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=========================================================
21 package org.onap.bbs.event.processor.tasks;
23 import com.google.gson.JsonElement;
25 import java.util.Optional;
27 import javax.annotation.PostConstruct;
28 import javax.annotation.PreDestroy;
29 import javax.net.ssl.SSLException;
31 import org.onap.bbs.event.processor.config.ApplicationConfiguration;
32 import org.onap.bbs.event.processor.config.ConfigurationChangeObserver;
33 import org.onap.bbs.event.processor.exceptions.EmptyDmaapResponseException;
34 import org.onap.bbs.event.processor.model.ReRegistrationConsumerDmaapModel;
35 import org.onap.bbs.event.processor.utilities.ReRegistrationDmaapConsumerJsonParser;
36 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.consumer.ConsumerReactiveHttpClientFactory;
37 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.consumer.DMaaPConsumerReactiveHttpClient;
38 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.consumer.DMaaPReactiveWebClientFactory;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
41 import org.springframework.beans.factory.annotation.Autowired;
42 import org.springframework.stereotype.Component;
44 import reactor.core.publisher.Flux;
45 import reactor.core.publisher.Mono;
48 public class DmaapReRegistrationConsumerTaskImpl implements DmaapReRegistrationConsumerTask,
49 ConfigurationChangeObserver {
51 private static final Logger LOGGER = LoggerFactory.getLogger(DmaapReRegistrationConsumerTaskImpl.class);
52 private ApplicationConfiguration configuration;
53 private final ReRegistrationDmaapConsumerJsonParser reRegistrationDmaapConsumerJsonParser;
54 private final ConsumerReactiveHttpClientFactory httpClientFactory;
56 private static final EmptyDmaapResponseException EMPTY_DMAAP_EXCEPTION =
57 new EmptyDmaapResponseException("PNF Re-Registration: Got an empty response from DMaaP");
59 private DMaaPConsumerReactiveHttpClient httpClient;
62 public DmaapReRegistrationConsumerTaskImpl(ApplicationConfiguration configuration) throws SSLException {
63 this(configuration, new ReRegistrationDmaapConsumerJsonParser(),
64 new ConsumerReactiveHttpClientFactory(new DMaaPReactiveWebClientFactory()));
67 DmaapReRegistrationConsumerTaskImpl(ApplicationConfiguration configuration,
68 ReRegistrationDmaapConsumerJsonParser reRegDmaapConsumerJsonParser,
69 ConsumerReactiveHttpClientFactory httpClientFactory)
71 this.configuration = configuration;
72 this.reRegistrationDmaapConsumerJsonParser = reRegDmaapConsumerJsonParser;
73 this.httpClientFactory = httpClientFactory;
75 httpClient = httpClientFactory.create(this.configuration.getDmaapReRegistrationConsumerConfiguration());
79 void registerForConfigChanges() {
80 configuration.register(this);
84 void unRegisterForConfigChanges() {
85 configuration.unRegister(this);
89 public synchronized void updateConfiguration() {
91 LOGGER.info("DMaaP PNF reregistration consumer update due to new application configuration");
92 LOGGER.info("Creating secure context with:\n {}",
93 this.configuration.getDmaapReRegistrationConsumerConfiguration());
94 httpClient = httpClientFactory.create(this.configuration.getDmaapReRegistrationConsumerConfiguration());
95 } catch (SSLException e) {
96 LOGGER.error("SSL error while updating HTTP Client after a config update");
97 LOGGER.debug("SSL exception\n", e);
102 public Flux<ReRegistrationConsumerDmaapModel> execute(String taskName) {
103 LOGGER.debug("Executing task for Re-Registration with name \"{}\"", taskName);
104 DMaaPConsumerReactiveHttpClient httpClient = getHttpClient();
105 Mono<JsonElement> response = httpClient.getDMaaPConsumerResponse(Optional.empty());
106 return reRegistrationDmaapConsumerJsonParser.extractModelFromDmaap(response)
107 .switchIfEmpty(Flux.error(EMPTY_DMAAP_EXCEPTION))
109 if (!(e instanceof EmptyDmaapResponseException)) {
110 LOGGER.error("DMaaP Consumption Exception: {}", e.getMessage());
111 LOGGER.debug("Exception\n", e);
116 private synchronized DMaaPConsumerReactiveHttpClient getHttpClient() {