1 files changed, 88 insertions, 0 deletions
diff --git a/rest-services/http-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/HttpClientFactory.java b/rest-services/http-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/HttpClientFactory.java
new file mode 100644
index 00000000..e64e7cb4
--- /dev/null
+++ b/rest-services/http-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/HttpClientFactory.java
@@ -0,0 +1,88 @@
+/*
+ * ============LICENSE_START====================================
+ * DCAEGEN2-SERVICES-SDK
+ * =========================================================
+ * Copyright (C) 2021 Nokia. 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.adapters.http;
+
+import io.netty.handler.ssl.SslContext;
+import org.jetbrains.annotations.NotNull;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ConnectionPoolConfig;
+import org.onap.dcaegen2.services.sdk.security.ssl.SecurityKeys;
+import org.onap.dcaegen2.services.sdk.security.ssl.SslFactory;
+import org.onap.dcaegen2.services.sdk.security.ssl.TrustStoreKeys;
+import reactor.netty.http.client.HttpClient;
+import reactor.netty.resources.ConnectionProvider;
+
+class HttpClientFactory {
+
+    private static final SslFactory SSL_FACTORY = new SslFactory();
+
+    private HttpClientFactory() {
+    }
+
+    static HttpClient create(){
+        return HttpClient.create();
+    }
+
+    static HttpClient create(ConnectionPoolConfig connectionPoolConfig){
+        return HttpClient.create(createConnectionProvider(connectionPoolConfig));
+    }
+
+    static HttpClient create(SecurityKeys securityKeys){
+        final SslContext sslContext = SSL_FACTORY.createSecureClientContext(securityKeys);
+        return HttpClient.create().secure(sslContextSpec -> sslContextSpec.sslContext(sslContext));
+    }
+
+    static HttpClient create(SecurityKeys securityKeys, ConnectionPoolConfig connectionPoolConfig){
+        final SslContext sslContext = SSL_FACTORY.createSecureClientContext(securityKeys);
+        final ConnectionProvider connectionProvider = createConnectionProvider(connectionPoolConfig);
+        return HttpClient.create(connectionProvider).secure(sslContextSpec -> sslContextSpec.sslContext(sslContext));
+    }
+
+    static HttpClient create(TrustStoreKeys trustStoreKeys){
+        final SslContext sslContext = SSL_FACTORY.createSecureClientContext(trustStoreKeys);
+        return HttpClient.create().secure(sslContextSpec -> sslContextSpec.sslContext(sslContext));
+    }
+
+    static HttpClient create(TrustStoreKeys trustStoreKeys, ConnectionPoolConfig connectionPoolConfig){
+        final SslContext sslContext = SSL_FACTORY.createSecureClientContext(trustStoreKeys);
+        final ConnectionProvider connectionProvider = createConnectionProvider(connectionPoolConfig);
+        return HttpClient.create(connectionProvider).secure(sslContextSpec -> sslContextSpec.sslContext(sslContext));
+    }
+
+    static HttpClient createInsecure() {
+        final SslContext context = SSL_FACTORY.createInsecureClientContext();
+        return HttpClient.create().secure(sslContextSpec -> sslContextSpec.sslContext(context));
+    }
+
+    static HttpClient createInsecure(ConnectionPoolConfig connectionPoolConfig) {
+        final SslContext context = SSL_FACTORY.createInsecureClientContext();
+        final ConnectionProvider connectionProvider = createConnectionProvider(connectionPoolConfig);
+        return HttpClient.create(connectionProvider).secure(sslContextSpec -> sslContextSpec.sslContext(context));
+    }
+
+    @NotNull
+    private static ConnectionProvider createConnectionProvider(ConnectionPoolConfig connectionPoolConfig) {
+        return ConnectionProvider.builder("fixed")
+                .maxConnections(connectionPoolConfig.connectionPool())
+                .maxIdleTime(connectionPoolConfig.maxIdleTime())
+                .maxLifeTime(connectionPoolConfig.maxLifeTime())
+                .build();
+    }
+}