Replace RestTemplate with WebClient in synchronous DMI calls

[cps.git] / cps-ncmp-service / src / main / java / org / onap / cps / ncmp / api / impl / config / DmiWebClientConfiguration.java

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/config/DmiWebClientConfiguration.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/config/DmiWebClientConfiguration.java
new file mode 100644 (file)
index 0000000..4f9e880
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/config/DmiWebClientConfiguration.java
@@ -0,0 +1,82 @@
+
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2024 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.config;
+
+import io.netty.channel.ChannelOption;
+import io.netty.handler.timeout.ReadTimeoutHandler;
+import io.netty.handler.timeout.WriteTimeoutHandler;
+import java.util.concurrent.TimeUnit;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.client.reactive.ReactorClientHttpConnector;
+import org.springframework.stereotype.Component;
+import org.springframework.web.reactive.function.client.WebClient;
+import reactor.netty.http.client.HttpClient;
+
+@Slf4j
+@Configuration
+@RequiredArgsConstructor
+public class DmiWebClientConfiguration {
+
+    @Value("${ncmp.dmi.httpclient.connectionTimeoutInSeconds:20000}")
+    private Integer connectionTimeoutInSeconds;
+
+    @Getter
+    @Component
+    public static class DmiProperties {
+        @Value("${ncmp.dmi.auth.username}")
+        private String authUsername;
+        @Value("${ncmp.dmi.auth.password}")
+        private String authPassword;
+        @Value("${ncmp.dmi.api.base-path}")
+        private String dmiBasePath;
+        @Value("${ncmp.dmi.auth.enabled}")
+        private boolean dmiBasicAuthEnabled;
+    }
+
+    /**
+     * Configures and create a WebClient bean.
+     *
+     * @return a WebClient instance.
+     */
+    @Bean
+    public WebClient webClient() {
+        final var httpClient = HttpClient.create()
+                .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectionTimeoutInSeconds * 1000)
+                .doOnConnected(connection ->
+                        connection
+                                .addHandlerLast(new ReadTimeoutHandler(connectionTimeoutInSeconds, TimeUnit.SECONDS))
+                                .addHandlerLast(new WriteTimeoutHandler(connectionTimeoutInSeconds, TimeUnit.SECONDS)));
+
+        return WebClient.builder()
+                .defaultHeaders(header -> header.set(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE))
+                .defaultHeaders(header -> header.set(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON_VALUE))
+                .clientConnector(new ReactorClientHttpConnector(httpClient))
+                .build();
+    }
+}