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/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 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.Collections;
import java.util.List;
import java.util.Properties;
import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
/**
* Noop Topic Factory.
*/
public abstract class NoopTopicFactory<T extends NoopTopicEndpoint> extends TopicBaseHashedFactory<T> {
/**
* Get Topics Property Name.
*
* @return property name.
*/
protected abstract String getTopicsPropertyName();
/**
* {@inheritDoc}.
*/
@Override
protected List<String> getTopicNames(Properties properties) {
String topics = properties.getProperty(getTopicsPropertyName());
if (topics == null || topics.isEmpty()) {
return new ArrayList<>();
}
return Arrays.asList(topics.split("\\s*,\\s*"));
}
/**
* {@inheritDoc}.
*/
@Override
protected List<String> getServers(String topicName, Properties properties) {
String servers =
properties.getProperty(getTopicsPropertyName() + "." + topicName
+ PolicyEndPointProperties.PROPERTY_TOPIC_SERVERS_SUFFIX);
if (servers == null || servers.isEmpty()) {
servers = CommInfrastructure.NOOP.toString();
}
return new ArrayList<>(Arrays.asList(servers.split("\\s*,\\s*")));
}
/**
* {@inheritDoc}.
*/
@Override
protected boolean isManaged(String topicName, Properties properties) {
String managedString =
properties.getProperty(getTopicsPropertyName()
+ "." + topicName + PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX);
boolean managed = true;
if (managedString != null && !managedString.isEmpty()) {
managed = Boolean.parseBoolean(managedString);
}
return managed;
}
/**
* {@inheritDoc}.
*/
@Override
public T build(List<String> serverList, String topic, boolean managed) {
List<String> servers;
if (serverList == null || serverList.isEmpty()) {
servers = Collections.singletonList(CommInfrastructure.NOOP.toString());
} else {
servers = serverList;
}
return super.build(servers, topic, managed);
}
/**
* {@inheritDoc}.
*/
@Override
public String toString() {
return "NoopTopicFactory[ " + super.toString() + " ]";
}
}
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