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/*
* ============LICENSE_START====================================
* DCAEGEN2-SERVICES-SDK
* =========================================================
* Copyright (C) 2019-2021 Nokia. All rights reserved.
* Copyright (C) 2023 Deutsche Telekom AG. 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.dcaegen2.services.sdk.rest.services.dmaap.client.api;
import io.vavr.control.Option;
import org.jetbrains.annotations.NotNull;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClient;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClientFactory;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ConnectionPoolConfig;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableConnectionPoolConfig;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableRetryConfig;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableRxHttpClientConfig;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.RetryConfig;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.RxHttpClientConfig;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.error.ClientErrorReasonPresenter;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.impl.MessageRouterPublisherImpl;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.impl.MessageRouterSubscriberImpl;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapClientConfiguration;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterPublisherConfig;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterSubscriberConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.time.Duration;
import static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapRetryConfig.RETRYABLE_EXCEPTIONS;
import static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapRetryConfig.RETRYABLE_HTTP_CODES;
/**
* @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
* @since 1.1.4
*/
public final class DmaapClientFactory {
private static final Logger LOGGER = LoggerFactory.getLogger(DmaapClientFactory.class);
private DmaapClientFactory() {
}
public static @NotNull MessageRouterPublisher createMessageRouterPublisher(
@NotNull MessageRouterPublisherConfig clientConfiguration) {
try {
return new MessageRouterPublisherImpl(
createHttpClient(clientConfiguration),
clientConfiguration.maxBatchSize(),
clientConfiguration.maxBatchDuration(),
new ClientErrorReasonPresenter());
} catch (Exception e) {
LOGGER.error("Error while creating the Message Router Publisher.");
return null;
}
}
public static @NotNull MessageRouterSubscriber createMessageRouterSubscriber(
@NotNull MessageRouterSubscriberConfig clientConfiguration) {
try {
return new MessageRouterSubscriberImpl(
createHttpClient(clientConfiguration),
clientConfiguration.gsonInstance(),
new ClientErrorReasonPresenter());
} catch (Exception e) {
LOGGER.error("Error while creating the Message Router Subscriber.");
return null;
}
}
private static @NotNull RxHttpClient createHttpClient(DmaapClientConfiguration config) {
RxHttpClientConfig clientConfig = ImmutableRxHttpClientConfig.builder()
.connectionPool(createConnectionPool(config))
.retryConfig(createRetry(config))
.build();
return config.securityKeys() == null
? RxHttpClientFactory.create(clientConfig)
: RxHttpClientFactory.create(config.securityKeys(), clientConfig);
}
private static RetryConfig createRetry(DmaapClientConfiguration config) {
return Option.of(config.retryConfig())
.map(rc -> ImmutableRetryConfig.builder()
.retryInterval(Duration.ofSeconds(rc.retryIntervalInSeconds()))
.retryCount(rc.retryCount())
.retryableHttpResponseCodes(RETRYABLE_HTTP_CODES)
.customRetryableExceptions(RETRYABLE_EXCEPTIONS)
.build())
.getOrNull();
}
private static ConnectionPoolConfig createConnectionPool(DmaapClientConfiguration config){
return Option.of(config.connectionPoolConfig())
.map(cp -> ImmutableConnectionPoolConfig.builder()
.connectionPool(cp.connectionPool())
.maxIdleTime(Duration.ofSeconds(cp.maxIdleTime()))
.maxLifeTime(Duration.ofSeconds(cp.maxLifeTime()))
.build())
.getOrNull();
}
}
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