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/*
* ============LICENSE_START=======================================================
* policy-endpoints
* ================================================================================
* Copyright (C) 2017-2018 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.internal.impl;
import com.att.nsa.cambria.client.CambriaBatchingPublisher;
import com.att.nsa.cambria.client.CambriaClientBuilders;
import com.att.nsa.cambria.client.CambriaClientBuilders.PublisherBuilder;
import com.fasterxml.jackson.annotation.JsonIgnore;
import java.net.MalformedURLException;
import java.security.GeneralSecurityException;
import java.util.List;
import org.onap.policy.common.endpoints.event.comm.bus.internal.BusPublisher;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Cambria based library publisher
*/
public class CambriaPublisherWrapper implements BusPublisher {
private static Logger logger = LoggerFactory.getLogger(CambriaPublisherWrapper.class);
/**
* The actual Cambria publisher
*/
@JsonIgnore
protected volatile CambriaBatchingPublisher publisher;
public CambriaPublisherWrapper(List<String> servers, String topic, String apiKey, String apiSecret,
boolean useHttps) {
this(servers, topic, apiKey, apiSecret, null, null, useHttps);
}
public CambriaPublisherWrapper(List<String> servers, String topic, String apiKey, String apiSecret, String username,
String password, boolean useHttps) {
PublisherBuilder builder = new CambriaClientBuilders.PublisherBuilder();
builder.usingHosts(servers).onTopic(topic);
// Set read timeout to 30 seconds (TBD: this should be configurable)
builder.withSocketTimeout(30000);
if (useHttps) {
builder.usingHttps();
}
if (apiKey != null && !apiKey.isEmpty() && apiSecret != null && !apiSecret.isEmpty()) {
builder.authenticatedBy(apiKey, apiSecret);
}
if (username != null && !username.isEmpty() && password != null && !password.isEmpty()) {
builder.authenticatedByHttp(username, password);
}
try {
this.publisher = builder.build();
} catch (MalformedURLException | GeneralSecurityException e) {
throw new IllegalArgumentException(e);
}
}
/**
* {@inheritDoc}
*/
@Override
public boolean send(String partitionId, String message) {
if (message == null) {
throw new IllegalArgumentException("No message provided");
}
try {
this.publisher.send(partitionId, message);
} catch (Exception e) {
logger.warn("{}: SEND of {} cannot be performed because of {}", this, message, e.getMessage(), e);
return false;
}
return true;
}
/**
* {@inheritDoc}
*/
@Override
public void close() {
logger.info("{}: CLOSE", this);
try {
this.publisher.close();
} catch (Exception e) {
logger.warn("{}: CLOSE FAILED because of {}", this, e.getMessage(), e);
}
}
@Override
public String toString() {
return "CambriaPublisherWrapper []";
}
}
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