Release DMaaP client API

* remove @ExperimentalApi annotation
* deprecate old API
* extract http-client module + refactor
* change DmaapClientFactory so it's more configurable

Change-Id: I710d20558eece8cc3d7c0740e765d34737134b3a
Issue-ID: DCAEGEN2-1492
Signed-off-by: Piotr Jaszczyk <piotr.jaszczyk@nokia.com>

2 files changed, 153 insertions, 0 deletions

diff --git a/rest-services/dmaap-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/dmaap/client/api/MessageRouterPublisherIT.java b/rest-services/dmaap-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/dmaap/client/api/MessageRouterPublisherIT.java
new file mode 100644
index 00000000..8ed3eb31
--- /dev/null
+++ b/rest-services/dmaap-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/dmaap/client/api/MessageRouterPublisherIT.java
@@ -0,0 +1,78 @@
+/*
+ * ============LICENSE_START====================================
+ * DCAEGEN2-SERVICES-SDK
+ * =========================================================
+ * Copyright (C) 2019 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.dmaap.client.api;
+
+import static org.onap.dcaegen2.services.sdk.rest.services.adapters.http.test.DummyHttpServer.sendString;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import io.vavr.collection.List;
+import java.time.Duration;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.onap.dcaegen2.services.sdk.model.streams.dmaap.ImmutableMessageRouterSink;
+import org.onap.dcaegen2.services.sdk.model.streams.dmaap.MessageRouterSink;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.test.DummyHttpServer;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.ImmutableMessageRouterPublishRequest;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.ImmutableMessageRouterPublishResponse;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterPublishRequest;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterPublishResponse;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterPublisherConfig;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+
+/**
+ * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
+ * @since May 2019
+ */
+class MessageRouterPublisherIT {
+    private MessageRouterPublisher sut = DmaapClientFactory.createMessageRouterPublisher(MessageRouterPublisherConfig.createDefault());
+    private static DummyHttpServer server;
+    private static MessageRouterSink sinkDefinition;
+
+    @BeforeAll
+    static void setUp() {
+        server = DummyHttpServer.start(routes ->
+                routes.post("/events/TOPIC", (req, resp) -> sendString(resp, Mono.just("TODO")))
+        );
+        sinkDefinition = ImmutableMessageRouterSink.builder()
+                .name("the topic")
+                .topicUrl(String.format("http://%s:%d/events/TOPIC", server.host(), server.port()))
+                .build();
+    }
+
+    @Test
+    void testStub() {
+        final MessageRouterPublishRequest mrRequest = ImmutableMessageRouterPublishRequest.builder()
+                .sinkDefinition(sinkDefinition)
+                .build();
+
+        final Flux<MessageRouterPublishResponse> result = sut
+                .put(mrRequest, Flux.just("ala", "ma", "kota").map(JsonPrimitive::new));
+
+        final List<JsonElement> expectedItems = List.of("ala", "ma", "kota").map(JsonPrimitive::new);
+        StepVerifier.create(result)
+                .expectNext(ImmutableMessageRouterPublishResponse.builder().items(expectedItems).build())
+                .expectComplete()
+                .verify(Duration.ofSeconds(10));
+    }
+}
diff --git a/rest-services/dmaap-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/dmaap/client/api/MessageRouterSubscriberIT.java b/rest-services/dmaap-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/dmaap/client/api/MessageRouterSubscriberIT.java
new file mode 100644
index 00000000..ab51bfef
--- /dev/null
+++ b/rest-services/dmaap-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/dmaap/client/api/MessageRouterSubscriberIT.java
@@ -0,0 +1,75 @@
+/*
+ * ============LICENSE_START====================================
+ * DCAEGEN2-SERVICES-SDK
+ * =========================================================
+ * Copyright (C) 2019 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.dmaap.client.api;
+
+import static org.onap.dcaegen2.services.sdk.rest.services.adapters.http.test.DummyHttpServer.sendResource;
+
+import com.google.gson.JsonElement;
+import java.time.Duration;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.onap.dcaegen2.services.sdk.model.streams.dmaap.ImmutableMessageRouterSource;
+import org.onap.dcaegen2.services.sdk.model.streams.dmaap.MessageRouterSource;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.test.DummyHttpServer;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.ImmutableMessageRouterSubscribeRequest;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterSubscribeRequest;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterSubscriberConfig;
+import reactor.core.publisher.Flux;
+import reactor.test.StepVerifier;
+
+/**
+ * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
+ * @since May 2019
+ */
+class MessageRouterSubscriberIT {
+    private MessageRouterSubscriber sut = DmaapClientFactory.createMessageRouterSubscriber(MessageRouterSubscriberConfig.createDefault());
+    private static DummyHttpServer server;
+    private static MessageRouterSource sourceDefinition;
+
+    @BeforeAll
+    static void setUp() {
+        server = DummyHttpServer.start(routes ->
+                routes.get("/events/TOPIC/group1/consumer8", (req, resp) -> sendResource(resp, "/sample-mr-subscribe-response.json"))
+        );
+        sourceDefinition = ImmutableMessageRouterSource.builder()
+                .name("the topic")
+                .topicUrl(String.format("http://%s:%d/events/TOPIC", server.host(), server.port()))
+                .build();
+    }
+
+    @Test
+    void testStub() {
+        final MessageRouterSubscribeRequest mrRequest = ImmutableMessageRouterSubscribeRequest.builder()
+                .sourceDefinition(sourceDefinition)
+                .consumerGroup("group1")
+                .consumerId("consumer8")
+                .build();
+
+        final Flux<String> result = sut
+                .getElements(mrRequest)
+                .map(JsonElement::getAsString);
+
+        StepVerifier.create(result)
+                .expectNext("I", "like", "pizza")
+                .expectComplete()
+                .verify(Duration.ofSeconds(10));
+    }
+}