diff options
author | Jim Hahn <jrh3@att.com> | 2019-01-15 09:43:13 -0500 |
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committer | Jim Hahn <jrh3@att.com> | 2019-01-15 09:43:13 -0500 |
commit | 2a191bf0d0a5cb3beb436a025d2f4efa419bb354 (patch) | |
tree | 7da42035f204503f1b7afd895f886c8a5c8f04c3 /policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSinkFactory.java | |
parent | 55f5c4dc9e130e48a25b048e1f3091b10c17e365 (diff) |
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 <jrh3@att.com>
Diffstat (limited to 'policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSinkFactory.java')
-rw-r--r-- | policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSinkFactory.java | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSinkFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSinkFactory.java new file mode 100644 index 00000000..5b3fc669 --- /dev/null +++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/IndexedUebTopicSinkFactory.java @@ -0,0 +1,237 @@ +/* + * ============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.InlineUebTopicSink; +import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Factory of UEB Reader Topics indexed by topic name. + */ +class IndexedUebTopicSinkFactory implements UebTopicSinkFactory { + private static final String MISSING_TOPIC = "A topic must be provided"; + + /** + * Logger. + */ + private static Logger logger = LoggerFactory.getLogger(IndexedUebTopicSinkFactory.class); + + /** + * UEB Topic Name Index. + */ + protected HashMap<String, UebTopicSink> uebTopicSinks = new HashMap<>(); + + @Override + public UebTopicSink 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 (uebTopicSinks.containsKey(busTopicParams.getTopic())) { + return uebTopicSinks.get(busTopicParams.getTopic()); + } + + UebTopicSink uebTopicWriter = makeSink(busTopicParams); + + if (busTopicParams.isManaged()) { + uebTopicSinks.put(busTopicParams.getTopic(), uebTopicWriter); + } + + return uebTopicWriter; + } + } + + + @Override + public UebTopicSink build(List<String> servers, String topic) { + return this.build(BusTopicParams.builder() + .servers(servers) + .topic(topic) + .managed(true) + .useHttps(false) + .allowSelfSignedCerts(false) + .build()); + } + + + @Override + public List<UebTopicSink> build(Properties properties) { + + String writeTopics = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SINK_TOPICS); + if (writeTopics == null || writeTopics.isEmpty()) { + logger.info("{}: no topic for UEB Sink", this); + return new ArrayList<>(); + } + + List<String> writeTopicList = new ArrayList<>(Arrays.asList(writeTopics.split("\\s*,\\s*"))); + List<UebTopicSink> newUebTopicSinks = new ArrayList<>(); + synchronized (this) { + for (String topic : writeTopicList) { + if (this.uebTopicSinks.containsKey(topic)) { + newUebTopicSinks.add(this.uebTopicSinks.get(topic)); + continue; + } + + String servers = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SINK_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<String> serverList = new ArrayList<>(Arrays.asList(servers.split("\\s*,\\s*"))); + + final String apiKey = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SINK_TOPICS + + "." + topic + PolicyEndPointProperties.PROPERTY_TOPIC_API_KEY_SUFFIX); + final String apiSecret = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SINK_TOPICS + + "." + topic + PolicyEndPointProperties.PROPERTY_TOPIC_API_SECRET_SUFFIX); + final String partitionKey = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SINK_TOPICS + + "." + topic + PolicyEndPointProperties.PROPERTY_TOPIC_SINK_PARTITION_KEY_SUFFIX); + + String managedString = properties.getProperty(PolicyEndPointProperties.PROPERTY_UEB_SINK_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_SINK_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_SINK_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); + } + + UebTopicSink uebTopicWriter = this.build(BusTopicParams.builder() + .servers(serverList) + .topic(topic) + .apiKey(apiKey) + .apiSecret(apiSecret) + .partitionId(partitionKey) + .managed(managed) + .useHttps(useHttps) + .allowSelfSignedCerts(allowSelfSignedCerts) + .build()); + newUebTopicSinks.add(uebTopicWriter); + } + return newUebTopicSinks; + } + } + + @Override + public void destroy(String topic) { + + if (topic == null || topic.isEmpty()) { + throw new IllegalArgumentException(MISSING_TOPIC); + } + + UebTopicSink uebTopicWriter; + synchronized (this) { + if (!uebTopicSinks.containsKey(topic)) { + return; + } + + uebTopicWriter = uebTopicSinks.remove(topic); + } + + uebTopicWriter.shutdown(); + } + + @Override + public void destroy() { + List<UebTopicSink> writers = this.inventory(); + for (UebTopicSink writer : writers) { + writer.shutdown(); + } + + synchronized (this) { + this.uebTopicSinks.clear(); + } + } + + @Override + public UebTopicSink get(String topic) { + + if (topic == null || topic.isEmpty()) { + throw new IllegalArgumentException(MISSING_TOPIC); + } + + synchronized (this) { + if (uebTopicSinks.containsKey(topic)) { + return uebTopicSinks.get(topic); + } else { + throw new IllegalStateException("UebTopicSink for " + topic + " not found"); + } + } + } + + @Override + public synchronized List<UebTopicSink> inventory() { + return new ArrayList<>(this.uebTopicSinks.values()); + } + + /** + * Makes a new sink. + * + * @param busTopicParams parameters to use to configure the sink + * @return a new sink + */ + protected UebTopicSink makeSink(BusTopicParams busTopicParams) { + return new InlineUebTopicSink(busTopicParams); + } + + + @Override + public String toString() { + StringBuilder builder = new StringBuilder(); + builder.append("IndexedUebTopicSinkFactory []"); + return builder.toString(); + } + +} |