From 2a191bf0d0a5cb3beb436a025d2f4efa419bb354 Mon Sep 17 00:00:00 2001 From: Jim Hahn Date: Tue, 15 Jan 2019 09:43:13 -0500 Subject: Remove policy-endpoints checkstyle suppressions Split class files so each file only contains one class. Change-Id: Iaf94c4c079380dc7db3aff2affbe48f50e3cc0a2 Issue-ID: POLICY-1134 Signed-off-by: Jim Hahn --- .../comm/bus/IndexedUebTopicSourceFactory.java | 274 +++++++++++++++++++++ 1 file changed, 274 insertions(+) create mode 100644 policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSourceFactory.java (limited to 'policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSourceFactory.java') diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSourceFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSourceFactory.java new file mode 100644 index 00000000..88a472c2 --- /dev/null +++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSourceFactory.java @@ -0,0 +1,274 @@ +/* + * ============LICENSE_START======================================================= + * ONAP Policy Engine - Common Modules + * ================================================================================ + * Copyright (C) 2017-2019 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.common.endpoints.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.common.endpoints.event.comm.bus.internal.BusTopicParams; +import org.onap.policy.common.endpoints.event.comm.bus.internal.SingleThreadedUebTopicSource; +import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Factory of UEB Source Topics indexed by topic name. + */ +class IndexedUebTopicSourceFactory implements UebTopicSourceFactory { + private static final String MISSING_TOPIC = "A topic must be provided"; + + /** + * Logger. + */ + private static Logger logger = LoggerFactory.getLogger(IndexedUebTopicSourceFactory.class); + + /** + * UEB Topic Name Index. + */ + protected HashMap uebTopicSources = new HashMap<>(); + + @Override + public UebTopicSource build(BusTopicParams busTopicParams) { + if (busTopicParams.getServers() == null || busTopicParams.getServers().isEmpty()) { + throw new IllegalArgumentException("UEB Server(s) must be provided"); + } + + if (busTopicParams.getTopic() == null || busTopicParams.getTopic().isEmpty()) { + throw new IllegalArgumentException(MISSING_TOPIC); + } + + synchronized (this) { + if (uebTopicSources.containsKey(busTopicParams.getTopic())) { + return uebTopicSources.get(busTopicParams.getTopic()); + } + + UebTopicSource uebTopicSource = makeSource(busTopicParams); + + if (busTopicParams.isManaged()) { + uebTopicSources.put(busTopicParams.getTopic(), uebTopicSource); + } + + return uebTopicSource; + } + } + + @Override + public List build(Properties properties) { + + String readTopics = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS); + if (readTopics == null || readTopics.isEmpty()) { + logger.info("{}: no topic for UEB Source", this); + return new ArrayList<>(); + } + List readTopicList = new ArrayList<>(Arrays.asList(readTopics.split("\\s*,\\s*"))); + + List newUebTopicSources = new ArrayList<>(); + synchronized (this) { + for (String topic : readTopicList) { + if (this.uebTopicSources.containsKey(topic)) { + newUebTopicSources.add(this.uebTopicSources.get(topic)); + continue; + } + + String servers = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + "." + + topic + PolicyEndPointProperties.PROPERTY_TOPIC_SERVERS_SUFFIX); + + if (servers == null || servers.isEmpty()) { + logger.error("{}: no UEB servers configured for sink {}", this, topic); + continue; + } + + final List serverList = new ArrayList<>(Arrays.asList(servers.split("\\s*,\\s*"))); + + final String apiKey = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + + "." + topic + PolicyEndPointProperties.PROPERTY_TOPIC_API_KEY_SUFFIX); + + final String apiSecret = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + + "." + topic + PolicyEndPointProperties.PROPERTY_TOPIC_API_SECRET_SUFFIX); + + final String consumerGroup = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + + "." + topic + PolicyEndPointProperties.PROPERTY_TOPIC_SOURCE_CONSUMER_GROUP_SUFFIX); + + final String consumerInstance = properties.getProperty( + PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + + "." + topic + PolicyEndPointProperties.PROPERTY_TOPIC_SOURCE_CONSUMER_INSTANCE_SUFFIX); + + String fetchTimeoutString = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + + "." + topic + PolicyEndPointProperties.PROPERTY_TOPIC_SOURCE_FETCH_TIMEOUT_SUFFIX); + int fetchTimeout = UebTopicSource.DEFAULT_TIMEOUT_MS_FETCH; + if (fetchTimeoutString != null && !fetchTimeoutString.isEmpty()) { + try { + fetchTimeout = Integer.parseInt(fetchTimeoutString); + } catch (NumberFormatException nfe) { + logger.warn("{}: fetch timeout {} is in invalid format for topic {} ", this, fetchTimeoutString, + topic); + } + } + + String fetchLimitString = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + + "." + topic + PolicyEndPointProperties.PROPERTY_TOPIC_SOURCE_FETCH_LIMIT_SUFFIX); + int fetchLimit = UebTopicSource.DEFAULT_LIMIT_FETCH; + if (fetchLimitString != null && !fetchLimitString.isEmpty()) { + try { + fetchLimit = Integer.parseInt(fetchLimitString); + } catch (NumberFormatException nfe) { + logger.warn("{}: fetch limit {} is in invalid format for topic {} ", this, fetchLimitString, + topic); + } + } + + String managedString = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + "." + + topic + PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX); + boolean managed = true; + if (managedString != null && !managedString.isEmpty()) { + managed = Boolean.parseBoolean(managedString); + } + + String useHttpsString = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + "." + + topic + PolicyEndPointProperties.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(PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + "." + topic + + PolicyEndPointProperties.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); + } + + UebTopicSource uebTopicSource = this.build(BusTopicParams.builder() + .servers(serverList) + .topic(topic) + .apiKey(apiKey) + .apiSecret(apiSecret) + .consumerGroup(consumerGroup) + .consumerInstance(consumerInstance) + .fetchTimeout(fetchTimeout) + .fetchLimit(fetchLimit) + .managed(managed) + .useHttps(useHttps) + .allowSelfSignedCerts(allowSelfSignedCerts).build()); + newUebTopicSources.add(uebTopicSource); + } + } + return newUebTopicSources; + } + + @Override + public UebTopicSource build(List servers, String topic, String apiKey, String apiSecret) { + + return this.build(BusTopicParams.builder() + .servers(servers) + .topic(topic) + .apiKey(apiKey) + .apiSecret(apiSecret) + .fetchTimeout(UebTopicSource.DEFAULT_TIMEOUT_MS_FETCH) + .fetchLimit(UebTopicSource.DEFAULT_LIMIT_FETCH) + .managed(true) + .useHttps(false) + .allowSelfSignedCerts(true).build()); + } + + @Override + public UebTopicSource build(List servers, String topic) { + return this.build(servers, topic, null, null); + } + + /** + * Makes a new source. + * + * @param busTopicParams parameters to use to configure the source + * @return a new source + */ + protected UebTopicSource makeSource(BusTopicParams busTopicParams) { + return new SingleThreadedUebTopicSource(busTopicParams); + } + + @Override + public void destroy(String topic) { + + if (topic == null || topic.isEmpty()) { + throw new IllegalArgumentException(MISSING_TOPIC); + } + + UebTopicSource uebTopicSource; + + synchronized (this) { + if (!uebTopicSources.containsKey(topic)) { + return; + } + + uebTopicSource = uebTopicSources.remove(topic); + } + + uebTopicSource.shutdown(); + } + + @Override + public void destroy() { + List readers = this.inventory(); + for (UebTopicSource reader : readers) { + reader.shutdown(); + } + + synchronized (this) { + this.uebTopicSources.clear(); + } + } + + @Override + public UebTopicSource get(String topic) { + + if (topic == null || topic.isEmpty()) { + throw new IllegalArgumentException(MISSING_TOPIC); + } + + synchronized (this) { + if (uebTopicSources.containsKey(topic)) { + return uebTopicSources.get(topic); + } else { + throw new IllegalStateException("UebTopiceSource for " + topic + " not found"); + } + } + } + + @Override + public synchronized List inventory() { + return new ArrayList<>(this.uebTopicSources.values()); + } + + @Override + public String toString() { + StringBuilder builder = new StringBuilder(); + builder.append("IndexedUebTopicSourceFactory []"); + return builder.toString(); + } +} -- cgit 1.2.3-korg