Add Notification support in cps core

[cps.git] / cps-service / src / main / java / org / onap / cps / events / CpsEvent.java

diff --git a/cps-service/src/main/java/org/onap/cps/events/CpsEvent.java b/cps-service/src/main/java/org/onap/cps/events/CpsEvent.java
new file mode 100644 (file)
index 0000000..c19abc1
--- /dev/null
+++ b/cps-service/src/main/java/org/onap/cps/events/CpsEvent.java
@@ -0,0 +1,66 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2024 TechMahindra Ltd.
+ *  ================================================================================
+ *  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.events;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import io.cloudevents.CloudEvent;
+import io.cloudevents.core.builder.CloudEventBuilder;
+import java.net.URI;
+import java.util.Map;
+import java.util.UUID;
+import lombok.Builder;
+import org.apache.commons.lang3.StringUtils;
+import org.onap.cps.utils.JsonObjectMapper;
+
+@Builder
+public class CpsEvent {
+
+    private Object data;
+    private Map<String, String> extensions;
+    private String type;
+    @Builder.Default
+    private static final String CLOUD_EVENT_SPEC_VERSION_V1 = "1.0.0";
+    @Builder.Default
+    private static final String CLOUD_EVENT_SOURCE = "CPS";
+
+    private final JsonObjectMapper jsonObjectMapper = new JsonObjectMapper(new ObjectMapper());
+
+    /**
+     * Creates ncmp cloud event with provided attributes.
+     *
+     * @return Cloud Event
+     */
+
+    public CloudEvent asCloudEvent() {
+        final CloudEventBuilder cloudEventBuilder = io.cloudevents.core.builder
+            .CloudEventBuilder.v1()
+            .withId(UUID.randomUUID().toString())
+            .withSource(URI.create(CLOUD_EVENT_SOURCE))
+            .withType(type)
+            .withDataSchema(URI.create("urn:cps:" + type + ":" + CLOUD_EVENT_SPEC_VERSION_V1))
+            .withData(jsonObjectMapper.asJsonBytes(data));
+        extensions.entrySet().stream()
+            .filter(extensionEntry -> StringUtils.isNotBlank(extensionEntry.getValue()))
+            .forEach(extensionEntry ->
+                    cloudEventBuilder.withExtension(extensionEntry.getKey(), extensionEntry.getValue()));
+        return cloudEventBuilder.build();
+    }
+}