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/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* Copyright (C) 2018 NOKIA Intellectual Property. 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.prh.service;
import static org.springframework.web.reactive.function.client.ExchangeFilterFunctions.basicAuthentication;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpHeaders;
import org.springframework.web.reactive.function.client.ExchangeFilterFunction;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.core.publisher.Mono;
/**
* @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 7/4/18
*/
public class DMaaPReactiveWebClient {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
private DMaaPReactiveWebClient() {
}
private WebClient create(WebClientBuilder webClientBuilder) {
return WebClient.builder()
.defaultHeader(HttpHeaders.CONTENT_TYPE, webClientBuilder.dMaaPContentType)
.filter(basicAuthentication(webClientBuilder.dMaaPUserName, webClientBuilder.dMaaPUserPassword))
.filter(logRequest())
.filter(logResponse())
.build();
}
ExchangeFilterFunction logResponse() {
return ExchangeFilterFunction.ofResponseProcessor(clientResponse -> {
logger.info("Response Status {}", clientResponse.statusCode());
return Mono.just(clientResponse);
});
}
ExchangeFilterFunction logRequest() {
return ExchangeFilterFunction.ofRequestProcessor(clientRequest -> {
logger.info("Request: {} {}", clientRequest.method(), clientRequest.url());
clientRequest.headers()
.forEach((name, values) -> values.forEach(value -> logger.info("{}={}", name, value)));
return Mono.just(clientRequest);
});
}
public static class WebClientBuilder {
private String dMaaPContentType;
private String dMaaPUserName;
private String dMaaPUserPassword;
public WebClientBuilder() {
}
public WebClientBuilder dmaapContentType(String dmaapContentType) {
this.dMaaPContentType = dmaapContentType;
return this;
}
public WebClientBuilder dmaapUserName(String dmaapUserName) {
this.dMaaPUserName = dmaapUserName;
return this;
}
public WebClientBuilder dmaapUserPassword(String dmaapUserPassword) {
this.dMaaPUserPassword = dmaapUserPassword;
return this;
}
public WebClient build() {
return new DMaaPReactiveWebClient().create(this);
}
}
}
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