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diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSinkFactory.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSinkFactory.java
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+/*-
+ * ============LICENSE_START=======================================================
+ * policy-endpoints
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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.policy.drools.event.comm.bus;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Properties;
+
+import org.onap.policy.drools.event.comm.bus.internal.InlineUebTopicSink;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
+import org.onap.policy.drools.properties.PolicyProperties;
+
+/**
+ * UEB Topic Sink Factory
+ */
+public interface UebTopicSinkFactory {
+
+ /**
+ * Instantiates a new UEB Topic Writer
+ *
+ * @param servers list of servers
+ * @param topic topic name
+ * @param apiKey API Key
+ * @param apiSecret API Secret
+ * @param partitionKey Consumer Group
+ * @param managed is this sink endpoint managed?
+ *
+ * @return an UEB Topic Sink
+ * @throws IllegalArgumentException if invalid parameters are present
+ */
+ public UebTopicSink build(List<String> servers,
+ String topic,
+ String apiKey,
+ String apiSecret,
+ String partitionKey,
+ boolean managed,
+ boolean useHttps,
+ boolean allowSelfSignedCerts)
+ throws IllegalArgumentException;
+
+ /**
+ * Creates an UEB Topic Writer based on properties files
+ *
+ * @param properties Properties containing initialization values
+ *
+ * @return an UEB Topic Writer
+ * @throws IllegalArgumentException if invalid parameters are present
+ */
+ public List<UebTopicSink> build(Properties properties)
+ throws IllegalArgumentException;
+
+ /**
+ * Instantiates a new UEB Topic Writer
+ *
+ * @param servers list of servers
+ * @param topic topic name
+ *
+ * @return an UEB Topic Writer
+ * @throws IllegalArgumentException if invalid parameters are present
+ */
+ public UebTopicSink build(List<String> servers, String topic)
+ throws IllegalArgumentException;
+
+ /**
+ * Destroys an UEB Topic Writer based on a topic
+ *
+ * @param topic topic name
+ * @throws IllegalArgumentException if invalid parameters are present
+ */
+ public void destroy(String topic);
+
+ /**
+ * gets an UEB Topic Writer based on topic name
+ * @param topic the topic name
+ *
+ * @return an UEB Topic Writer with topic name
+ * @throws IllegalArgumentException if an invalid topic is provided
+ * @throws IllegalStateException if the UEB Topic Reader is
+ * an incorrect state
+ */
+ public UebTopicSink get(String topic)
+ throws IllegalArgumentException, IllegalStateException;
+
+ /**
+ * Provides a snapshot of the UEB Topic Writers
+ * @return a list of the UEB Topic Writers
+ */
+ public List<UebTopicSink> inventory();
+
+ /**
+ * Destroys all UEB Topic Writers
+ */
+ public void destroy();
+}
+
+/* ------------- implementation ----------------- */
+
+/**
+ * Factory of UEB Reader Topics indexed by topic name
+ */
+class IndexedUebTopicSinkFactory implements UebTopicSinkFactory {
+ /**
+ * Logger
+ */
+ private static Logger logger = LoggerFactory.getLogger(IndexedUebTopicSinkFactory.class);
+
+ /**
+ * UEB Topic Name Index
+ */
+ protected HashMap<String, UebTopicSink> uebTopicSinks =
+ new HashMap<String, UebTopicSink>();
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public UebTopicSink build(List<String> servers,
+ String topic,
+ String apiKey,
+ String apiSecret,
+ String partitionKey,
+ boolean managed,
+ boolean useHttps,
+ boolean allowSelfSignedCerts)
+ throws IllegalArgumentException {
+
+ if (servers == null || servers.isEmpty()) {
+ throw new IllegalArgumentException("UEB Server(s) must be provided");
+ }
+
+ if (topic == null || topic.isEmpty()) {
+ throw new IllegalArgumentException("A topic must be provided");
+ }
+
+ synchronized (this) {
+ if (uebTopicSinks.containsKey(topic)) {
+ return uebTopicSinks.get(topic);
+ }
+
+ UebTopicSink uebTopicWriter =
+ new InlineUebTopicSink(servers, topic,
+ apiKey, apiSecret,partitionKey, useHttps, allowSelfSignedCerts);
+
+ if (managed)
+ uebTopicSinks.put(topic, uebTopicWriter);
+
+ return uebTopicWriter;
+ }
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public UebTopicSink build(List<String> servers, String topic) throws IllegalArgumentException {
+ return this.build(servers, topic, null, null, null, true, false, false);
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<UebTopicSink> build(Properties properties) throws IllegalArgumentException {
+
+ String writeTopics = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS);
+ if (writeTopics == null || writeTopics.isEmpty()) {
+ logger.info("{}: no topic for UEB Sink", this);
+ return new ArrayList<UebTopicSink>();
+ }
+
+ List<String> writeTopicList = new ArrayList<String>(Arrays.asList(writeTopics.split("\\s*,\\s*")));
+ List<UebTopicSink> newUebTopicSinks = new ArrayList<UebTopicSink>();
+ synchronized(this) {
+ for (String topic: writeTopicList) {
+ if (this.uebTopicSinks.containsKey(topic)) {
+ newUebTopicSinks.add(this.uebTopicSinks.get(topic));
+ continue;
+ }
+
+ String servers = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS + "." +
+ topic +
+ PolicyProperties.PROPERTY_TOPIC_SERVERS_SUFFIX);
+ if (servers == null || servers.isEmpty()) {
+ logger.error("{}: no UEB servers configured for sink {}", this, topic);
+ continue;
+ }
+
+ List<String> serverList = new ArrayList<String>(Arrays.asList(servers.split("\\s*,\\s*")));
+
+ String apiKey = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_API_KEY_SUFFIX);
+ String apiSecret = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_API_SECRET_SUFFIX);
+ String partitionKey = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_SINK_PARTITION_KEY_SUFFIX);
+
+ String managedString = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS + "." + topic +
+ PolicyProperties.PROPERTY_MANAGED_SUFFIX);
+ boolean managed = true;
+ if (managedString != null && !managedString.isEmpty()) {
+ managed = Boolean.parseBoolean(managedString);
+ }
+
+ String useHttpsString = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + "." + topic +
+ PolicyProperties.PROPERTY_HTTP_HTTPS_SUFFIX);
+
+ //default is to use HTTP if no https property exists
+ boolean useHttps = false;
+ if (useHttpsString != null && !useHttpsString.isEmpty()){
+ useHttps = Boolean.parseBoolean(useHttpsString);
+ }
+
+
+ String allowSelfSignedCertsString = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + "." + topic +
+ PolicyProperties.PROPERTY_ALLOW_SELF_SIGNED_CERTIFICATES_SUFFIX);
+
+ //default is to disallow self-signed certs
+ boolean allowSelfSignedCerts = false;
+ if (allowSelfSignedCertsString != null && !allowSelfSignedCertsString.isEmpty()){
+ allowSelfSignedCerts = Boolean.parseBoolean(allowSelfSignedCertsString);
+ }
+
+ UebTopicSink uebTopicWriter = this.build(serverList, topic,
+ apiKey, apiSecret,
+ partitionKey, managed, useHttps, allowSelfSignedCerts);
+ newUebTopicSinks.add(uebTopicWriter);
+ }
+ return newUebTopicSinks;
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void destroy(String topic)
+ throws IllegalArgumentException {
+
+ if (topic == null || topic.isEmpty()) {
+ throw new IllegalArgumentException("A topic must be provided");
+ }
+
+ UebTopicSink uebTopicWriter;
+ synchronized(this) {
+ if (!uebTopicSinks.containsKey(topic)) {
+ return;
+ }
+
+ uebTopicWriter = uebTopicSinks.remove(topic);
+ }
+
+ uebTopicWriter.shutdown();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void destroy() {
+ List<UebTopicSink> writers = this.inventory();
+ for (UebTopicSink writer: writers) {
+ writer.shutdown();
+ }
+
+ synchronized(this) {
+ this.uebTopicSinks.clear();
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public UebTopicSink get(String topic)
+ throws IllegalArgumentException, IllegalStateException {
+
+ if (topic == null || topic.isEmpty()) {
+ throw new IllegalArgumentException("A topic must be provided");
+ }
+
+ synchronized(this) {
+ if (uebTopicSinks.containsKey(topic)) {
+ return uebTopicSinks.get(topic);
+ } else {
+ throw new IllegalStateException("UebTopicSink for " + topic + " not found");
+ }
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public synchronized List<UebTopicSink> inventory() {
+ List<UebTopicSink> writers =
+ new ArrayList<UebTopicSink>(this.uebTopicSinks.values());
+ return writers;
+ }
+
+
+ @Override
+ public String toString() {
+ StringBuilder builder = new StringBuilder();
+ builder.append("IndexedUebTopicSinkFactory []");
+ return builder.toString();
+ }
+
+}