1 files changed, 123 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/common/publishing/DmaapRequestConfiguration.java b/src/main/java/org/onap/dcae/common/publishing/DmaapRequestConfiguration.java
new file mode 100755
index 0000000..5955a9d
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+++ b/src/main/java/org/onap/dcae/common/publishing/DmaapRequestConfiguration.java
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+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dcaegen2.restconfcollector
+ * ================================================================================
+ * Copyright (C) 2022 Huawei. 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.dcae.common.publishing;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import io.vavr.collection.List;
+import io.vavr.control.Option;
+import org.jetbrains.annotations.NotNull;
+import org.onap.dcaegen2.services.sdk.model.streams.dmaap.ImmutableMessageRouterSink;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.ContentType;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.ImmutableMessageRouterPublishRequest;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterPublishRequest;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.ImmutableDmaapRetryConfig;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.ImmutableDmaapTimeoutConfig;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.ImmutableMessageRouterPublisherConfig;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterPublisherConfig;
+import reactor.core.publisher.Flux;
+
+import java.time.Duration;
+
+/**
+ * DmaapRequestConfiguration is DMaap request configuration.
+ */
+public class DmaapRequestConfiguration {
+
+    private static final Long TIMEOUT_SECONDS = 10L;
+    private static final int RETRY_INTERVAL_IN_SECONDS = 1;
+    private static final int RETRY_COUNT = 1;
+
+    private DmaapRequestConfiguration() {
+    }
+
+    /**
+     * Create publish request is DMaap request configuration.
+     * @param publisherConfig publisher configuration
+     * @param  timeout timeout configuration
+     * return message reouter publish request
+     */
+    static MessageRouterPublishRequest createPublishRequest(Option<PublisherConfig> publisherConfig, Long timeout) {
+        String topicUrl = createUrl(publisherConfig);
+        return ImmutableMessageRouterPublishRequest.builder()
+                .sinkDefinition(createMessageRouterSink(topicUrl))
+                .contentType(ContentType.APPLICATION_JSON)
+                .timeoutConfig(timeOutConfiguration(timeout))
+                .build();
+    }
+
+    /**
+     * Create publish request is DMaap request configuration.
+     * @param publisherConfig publisher configuration
+     * return message reouter publish request
+     */
+    static MessageRouterPublishRequest createPublishRequest(Option<PublisherConfig> publisherConfig) {
+        return createPublishRequest(publisherConfig, TIMEOUT_SECONDS);
+    }
+
+    /**
+     * Convert JSON object list.
+     * @param messages list of messages.
+     * return flux jsonobject list of messages.
+     */
+    static Flux<JsonObject> jsonBatch(List<String> messages) {
+        return Flux.fromIterable(getAsJsonObjects(messages));
+    }
+
+    /**
+     * Retry configuration.
+     * return MessageRouterPublisherConfig message router publish coinfiguration.
+     */
+    static MessageRouterPublisherConfig retryConfiguration() {
+        return ImmutableMessageRouterPublisherConfig.builder()
+                .retryConfig(ImmutableDmaapRetryConfig.builder()
+                        .retryIntervalInSeconds(RETRY_INTERVAL_IN_SECONDS)
+                        .retryCount(RETRY_COUNT)
+                        .build())
+                .build();
+    }
+
+    private static String createUrl(Option<PublisherConfig> publisherConfig) {
+        String hostAndPort = publisherConfig.get().getHostAndPort();
+        String topicName = publisherConfig.get().topic();
+        return String.format("http://%s/events/%s/",hostAndPort,topicName);
+    }
+
+    private static List<JsonObject> getAsJsonObjects(List<String> messages) {
+        return getAsJsonElements(messages).map(JsonElement::getAsJsonObject);
+    }
+
+    static List<JsonElement> getAsJsonElements(List<String> messages) {
+        return messages.map(JsonParser::parseString);
+    }
+
+    static ImmutableMessageRouterSink createMessageRouterSink(String topicUrl) {
+        return ImmutableMessageRouterSink.builder()
+                .name("the topic")
+                .topicUrl(topicUrl)
+                .build();
+    }
+
+    @NotNull
+    private static ImmutableDmaapTimeoutConfig timeOutConfiguration(Long timeout) {
+        return ImmutableDmaapTimeoutConfig.builder().timeout(Duration.ofSeconds(timeout)).build();
+    }
+}