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>

4 files changed, 205 insertions, 14 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));
+    }
+}
diff --git a/rest-services/dmaap-client/src/test/resources/logback-test.xml b/rest-services/dmaap-client/src/test/resources/logback-test.xml
index c1f00665..07a1aae6 100644
--- a/rest-services/dmaap-client/src/test/resources/logback-test.xml
+++ b/rest-services/dmaap-client/src/test/resources/logback-test.xml
@@ -1,21 +1,54 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ ===============================LICENSE_START======================================
-  ~    Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+  ~ ============LICENSE_START=======================================================
+  ~ dcaegen2-collectors-veshv
   ~ ================================================================================
-  ~  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
+  ~ Copyright (C) 2019 NOKIA
+  ~ ================================================================================
+  ~ 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
+  ~      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===========================================
-  -->
+  ~ 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=========================================================
+-->
 <configuration>
-  <root level="OFF"/>
+  <property name="p_log" value="%logger"/>
+  <property name="p_lor" value="%50.50logger"/>
+  <property name="p_tim" value="%date{yyyy-MM-dd'T'HH:mm:ss.SSSXXX,UTC}"/>
+  <property name="p_lvl" value="%level"/>
+  <property name="p_msg" value="%replace(%replace(%msg){'\t', '\\\\t'}){'\n','\\\\n'}"/>
+  <property name="p_mdc" value="%replace(%replace(%mdc){'\t', '\\\\t'}){'\n', '\\\\n'}"/>
+  <property name="p_exc" value="%replace(%replace(%rootException){'\t', '\\\\t'}){'\n','\\\\n'}"/>
+  <property name="p_mak" value="%replace(%replace(%marker){'\t', '\\\\t'}){'\n','\\\\n'}"/>
+  <property name="p_thr" value="%thread"/>
+
+  <property name="READABLE_LOG_PATTERN" value="
+%nopexception
+| ${p_tim}\t
+| ${p_lor}\t
+| ${p_lvl}\t
+| %msg\t
+| ${p_mak}\t
+| %rootException\t
+| ${p_mdc}\t
+| ${p_thr}%n"/>
+
+  <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
+    <encoder>
+      <pattern>${READABLE_LOG_PATTERN}</pattern>
+    </encoder>
+  </appender>
+
+  <logger name="org.onap.dcaegen2.services.sdk" level="TRACE"/>
+
+  <root level="INFO">
+    <appender-ref ref="CONSOLE"/>
+  </root>
 </configuration>
diff --git a/rest-services/dmaap-client/src/test/resources/sample-mr-subscribe-response.json b/rest-services/dmaap-client/src/test/resources/sample-mr-subscribe-response.json
new file mode 100644
index 00000000..f3ba41a5
--- /dev/null
+++ b/rest-services/dmaap-client/src/test/resources/sample-mr-subscribe-response.json
@@ -0,0 +1,5 @@
+[
+    "I",
+    "like",
+    "pizza"
+]