2  * ============LICENSE_START====================================
 
   3  * DCAEGEN2-SERVICES-SDK
 
   4  * =========================================================
 
   5  * Copyright (C) 2019-2021 Nokia. 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=====================================
 
  20 package org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.api;
 
  22 import io.vavr.control.Option;
 
  23 import org.jetbrains.annotations.NotNull;
 
  24 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClient;
 
  25 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClientFactory;
 
  26 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ConnectionPoolConfig;
 
  27 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableConnectionPoolConfig;
 
  28 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableRetryConfig;
 
  29 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableRxHttpClientConfig;
 
  30 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.RetryConfig;
 
  31 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.RxHttpClientConfig;
 
  32 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.error.ClientErrorReasonPresenter;
 
  33 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.impl.MessageRouterPublisherImpl;
 
  34 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.impl.MessageRouterSubscriberImpl;
 
  35 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapClientConfiguration;
 
  36 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterPublisherConfig;
 
  37 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterSubscriberConfig;
 
  39 import java.time.Duration;
 
  41 import static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapRetryConfig.RETRYABLE_EXCEPTIONS;
 
  42 import static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapRetryConfig.RETRYABLE_HTTP_CODES;
 
  45  * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
 
  48 public final class DmaapClientFactory {
 
  50     private DmaapClientFactory() {
 
  53     public static @NotNull MessageRouterPublisher createMessageRouterPublisher(
 
  54             @NotNull MessageRouterPublisherConfig clientConfiguration) {
 
  56         return new MessageRouterPublisherImpl(
 
  57                 createHttpClient(clientConfiguration),
 
  58                 clientConfiguration.maxBatchSize(),
 
  59                 clientConfiguration.maxBatchDuration(),
 
  60                 new ClientErrorReasonPresenter());
 
  63     public static @NotNull MessageRouterSubscriber createMessageRouterSubscriber(
 
  64             @NotNull MessageRouterSubscriberConfig clientConfiguration) {
 
  65         return new MessageRouterSubscriberImpl(
 
  66                 createHttpClient(clientConfiguration),
 
  67                 clientConfiguration.gsonInstance(),
 
  68                 new ClientErrorReasonPresenter());
 
  71     private static @NotNull RxHttpClient createHttpClient(DmaapClientConfiguration config) {
 
  72         RxHttpClientConfig clientConfig = ImmutableRxHttpClientConfig.builder()
 
  73                 .connectionPool(createConnectionPool(config))
 
  74                 .retryConfig(createRetry(config))
 
  76         return config.securityKeys() == null
 
  77                 ? RxHttpClientFactory.create(clientConfig)
 
  78                 : RxHttpClientFactory.create(config.securityKeys(), clientConfig);
 
  81     private static RetryConfig createRetry(DmaapClientConfiguration config) {
 
  82         return Option.of(config.retryConfig())
 
  83                 .map(rc -> ImmutableRetryConfig.builder()
 
  84                         .retryInterval(Duration.ofSeconds(rc.retryIntervalInSeconds()))
 
  85                         .retryCount(rc.retryCount())
 
  86                         .retryableHttpResponseCodes(RETRYABLE_HTTP_CODES)
 
  87                         .customRetryableExceptions(RETRYABLE_EXCEPTIONS)
 
  92     private static ConnectionPoolConfig createConnectionPool(DmaapClientConfiguration config){
 
  93         return Option.of(config.connectionPoolConfig())
 
  94                 .map(cp -> ImmutableConnectionPoolConfig.builder()
 
  95                         .connectionPool(cp.connectionPool())
 
  96                         .maxIdleTime(Duration.ofSeconds(cp.maxIdleTime()))
 
  97                         .maxLifeTime(Duration.ofSeconds(cp.maxLifeTime()))