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-rw-r--r--prh-dmaap-client/pom.xml6
-rw-r--r--prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/DmaapConsumerReactiveHttpClient.java110
-rw-r--r--prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java2
3 files changed, 117 insertions, 1 deletions
diff --git a/prh-dmaap-client/pom.xml b/prh-dmaap-client/pom.xml
index a84382b2..9234518d 100644
--- a/prh-dmaap-client/pom.xml
+++ b/prh-dmaap-client/pom.xml
@@ -48,6 +48,12 @@
<artifactId>gson</artifactId>
</dependency>
<dependency>
+ <groupId>org.springframework</groupId>
+ <artifactId>spring-webflux</artifactId>
+ <version>5.0.5.RELEASE</version>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
</dependency>
diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/DmaapConsumerReactiveHttpClient.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/DmaapConsumerReactiveHttpClient.java
new file mode 100644
index 00000000..859784a8
--- /dev/null
+++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/DmaapConsumerReactiveHttpClient.java
@@ -0,0 +1,110 @@
+/*
+ * ============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.consumer;
+
+import static org.springframework.web.reactive.function.client.ExchangeFilterFunctions.basicAuthentication;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import org.apache.http.client.utils.URIBuilder;
+import org.onap.dcaegen2.services.prh.config.DmaapConsumerConfiguration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+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 6/26/18
+ */
+public class DmaapConsumerReactiveHttpClient {
+
+ private final Logger logger = LoggerFactory.getLogger(this.getClass());
+
+ private WebClient webClient;
+ private final String dmaapHostName;
+ private final String dmaapProtocol;
+ private final Integer dmaapPortNumber;
+ private final String dmaapTopicName;
+ private final String consumerGroup;
+ private final String consumerId;
+
+ public DmaapConsumerReactiveHttpClient(DmaapConsumerConfiguration consumerConfiguration) {
+ this.dmaapHostName = consumerConfiguration.dmaapHostName();
+ this.dmaapProtocol = consumerConfiguration.dmaapProtocol();
+ this.dmaapPortNumber = consumerConfiguration.dmaapPortNumber();
+ this.dmaapTopicName = consumerConfiguration.dmaapTopicName();
+ this.consumerGroup = consumerConfiguration.consumerGroup();
+ this.consumerId = consumerConfiguration.consumerId();
+ String dmaapContentType = consumerConfiguration.dmaapContentType();
+ this.webClient = WebClient.builder()
+ .defaultHeader(HttpHeaders.CONTENT_TYPE, dmaapContentType)
+ .filter(
+ basicAuthentication(consumerConfiguration.dmaapUserName(), consumerConfiguration.dmaapUserPassword()))
+ .filter(logRequest())
+ .filter(logResponse())
+ .build();
+ }
+
+ public Mono<String> getDmaaPConsumerResposne() {
+ try {
+ return webClient
+ .get()
+ .uri(getUri())
+ .retrieve()
+ .onStatus(HttpStatus::is4xxClientError, clientResponse ->
+ Mono.error(new Exception("HTTP 400"))
+ )
+ .onStatus(HttpStatus::is5xxServerError, clientResponse -> Mono.error(new Exception("HTTP 500")))
+ .bodyToMono(String.class);
+ } catch (URISyntaxException e) {
+ logger.warn("Exception while executing HTTP request: ", e);
+ return Mono.error(e);
+ }
+ }
+
+ private URI getUri() throws URISyntaxException {
+ return new URIBuilder().setScheme(dmaapProtocol).setHost(dmaapHostName).setPort(dmaapPortNumber)
+ .setPath(createRequestPath()).build();
+ }
+
+ private String createRequestPath() {
+ return dmaapTopicName + "/" + consumerGroup + "/" + consumerId;
+ }
+
+ private ExchangeFilterFunction logResponse() {
+ return ExchangeFilterFunction.ofResponseProcessor(clientResponse -> {
+ logger.info("Response Status {}", clientResponse.statusCode());
+ return Mono.just(clientResponse);
+ });
+ }
+
+ private 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);
+ });
+ }
+}
diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java
index a80194d5..0f8fe28c 100644
--- a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java
+++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/prh/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java
@@ -1,4 +1,4 @@
-/*-
+/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================