summaryrefslogtreecommitdiffstats
path: root/src/main/java/org/onap/dcae/common/EventSender.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/org/onap/dcae/common/EventSender.java')
-rw-r--r--src/main/java/org/onap/dcae/common/EventSender.java122
1 files changed, 122 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/common/EventSender.java b/src/main/java/org/onap/dcae/common/EventSender.java
new file mode 100644
index 00000000..3c95315c
--- /dev/null
+++ b/src/main/java/org/onap/dcae/common/EventSender.java
@@ -0,0 +1,122 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PROJECT
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2018 Nokia. All rights reserved.s
+ * ================================================================================
+ * 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;
+
+import com.google.common.reflect.TypeToken;
+import com.google.gson.Gson;
+import io.vavr.collection.Map;
+import java.io.FileReader;
+import java.io.IOException;
+import java.lang.reflect.Type;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import org.json.JSONObject;
+import org.onap.dcae.ApplicationSettings;
+import org.onap.dcae.common.publishing.EventPublisher;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class EventSender {
+
+ private Map<String, String[]> streamidHash;
+ private ApplicationSettings properties;
+ private EventPublisher eventPublisher;
+
+ static final Type EVENT_LIST_TYPE = new TypeToken<List<Event>>() {}.getType();
+ private static final Logger log = LoggerFactory.getLogger(EventSender.class);
+ private static final String EVENT_LITERAL = "event";
+ private static final String COMMON_EVENT_HEADER = "commonEventHeader";
+ private final SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, MM dd yyyy hh:mm:ss z");
+
+ public EventSender( EventPublisher eventPublisher, ApplicationSettings properties) {
+ this.eventPublisher = eventPublisher;
+ this.streamidHash = properties.dMaaPStreamsMapping();
+ this.properties = properties;
+
+ }
+
+ public void send(JSONObject event) {
+ streamidHash.get(getDomain(event))
+ .onEmpty(() -> log.error("No StreamID defined for publish - Message dropped" + event))
+ .forEach(streamIds -> sendEventsToStreams(event, streamIds));
+ }
+
+ public static String getDomain(JSONObject event) {
+ return event.getJSONObject(EVENT_LITERAL).getJSONObject(COMMON_EVENT_HEADER).getString("domain");
+ }
+
+ private void sendEventsToStreams(JSONObject event, String[] streamIdList) {
+ for (String aStreamIdList : streamIdList) {
+ log.info("Invoking publisher for streamId:" + aStreamIdList);
+ eventPublisher.sendEvent(overrideEvent(event), aStreamIdList);
+ }
+ }
+
+ private JSONObject overrideEvent(JSONObject event) {
+ JSONObject jsonObject = addCurrentTimeToEvent(event);
+ if (properties.eventTransformingEnabled()) {
+ try (FileReader fr = new FileReader("./etc/eventTransform.json")) {
+ log.info("parse eventTransform.json");
+ List<Event> events = new Gson().fromJson(fr, EVENT_LIST_TYPE);
+ parseEventsJson(events, new ConfigProcessorAdapter(new ConfigProcessors(jsonObject)));
+ } catch (IOException e) {
+ log.error("Couldn't find file ./etc/eventTransform.json" + e.toString());
+ }
+ }
+ if (jsonObject.has("VESversion"))
+ jsonObject.remove("VESversion");
+
+ log.debug("Modified event:" + jsonObject);
+ return jsonObject;
+ }
+
+ private JSONObject addCurrentTimeToEvent(JSONObject event) {
+ final Date currentTime = new Date();
+ JSONObject collectorTimeStamp = new JSONObject().put("collectorTimeStamp", dateFormat.format(currentTime));
+ JSONObject commonEventHeaderkey = event.getJSONObject(EVENT_LITERAL).getJSONObject(COMMON_EVENT_HEADER);
+ commonEventHeaderkey.put("internalHeaderFields", collectorTimeStamp);
+ event.getJSONObject(EVENT_LITERAL).put(COMMON_EVENT_HEADER, commonEventHeaderkey);
+ return event;
+ }
+
+ private void parseEventsJson(List<Event> eventsTransform, ConfigProcessorAdapter configProcessorAdapter) {
+ for (Event eventTransform : eventsTransform) {
+ JSONObject filterObj = new JSONObject(eventTransform.filter.toString());
+ if (configProcessorAdapter.isFilterMet(filterObj)) {
+ callProcessorsMethod(configProcessorAdapter, eventTransform.processors);
+ }
+ }
+ }
+
+ private void callProcessorsMethod(ConfigProcessorAdapter configProcessorAdapter, List<Processor> processors) {
+ for (Processor processor : processors) {
+ final String functionName = processor.functionName;
+ final JSONObject args = new JSONObject(processor.args.toString());
+ log.info(String.format("functionName==%s | args==%s", functionName, args));
+ try {
+ configProcessorAdapter.runConfigProcessorFunctionByName(functionName, args);
+ } catch (ReflectiveOperationException e) {
+ log.error("EventProcessor Exception" + e.getMessage() + e + e.getCause());
+ }
+ }
+ }
+}