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package org.openecomp.sdc.be.components.distribution.engine;
import java.io.File;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.Properties;
import org.openecomp.sdc.be.config.DmaapConsumerConfiguration;
import org.openecomp.sdc.security.SecurityUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import com.att.nsa.mr.client.MRClientFactory;
import com.att.nsa.mr.client.MRConsumer;
import fj.data.Either;
/**
* Allows to create DMAAP client of type MRConsumer according received configuration parameters
*/
@Component("dmaapClientFactory")
public class DmaapClientFactory {
private static final Logger logger = LoggerFactory.getLogger(DmaapClientFactory.class);
/**
* Creates DMAAP consumer according to received parameters
* @param parameters
* @return an instance object of type MRConsumer
* @throws IOException
*/
public MRConsumer create(DmaapConsumerConfiguration parameters) throws Exception {
MRConsumer consumer = MRClientFactory.createConsumer(buildProperties(parameters));
logger.info("MRConsumer created for topic {}", parameters.getTopic());
return consumer;
}
private Properties buildProperties(DmaapConsumerConfiguration parameters) throws Exception{
Properties props = new Properties();
Either<String,String> passkey = SecurityUtil.INSTANCE.decrypt(parameters.getCredential().getPassword() );
if (passkey.isRight()){
throw new GeneralSecurityException("invalid password, cannot build properties");
}
props.setProperty("Latitude", Double.toString(parameters.getLatitude()));
props.setProperty("Longitude", Double.toString(parameters.getLongitude()));
props.setProperty("Version", parameters.getVersion());
props.setProperty("ServiceName", parameters.getServiceName());
props.setProperty("Environment", parameters.getEnvironment());
props.setProperty("Partner", parameters.getPartner());
props.setProperty("routeOffer", parameters.getRouteOffer());
props.setProperty("Protocol", parameters.getProtocol());
props.setProperty("username", parameters.getCredential().getUsername());
props.setProperty("password", passkey.left().value() );
props.setProperty("contenttype", parameters.getContenttype());
props.setProperty("host", parameters.getHosts());
props.setProperty("topic", parameters.getTopic());
props.setProperty("group", parameters.getConsumerGroup());
props.setProperty("id", parameters.getConsumerId());
props.setProperty("timeout", Integer.toString(parameters.getTimeoutMs()));
props.setProperty("limit", Integer.toString(parameters.getLimit()));
props.setProperty("AFT_DME2_REQ_TRACE_ON", Boolean.toString(parameters.isDme2TraceOn()));
props.setProperty("AFT_ENVIRONMENT", parameters.getAftEnvironment());
props.setProperty("AFT_DME2_EP_CONN_TIMEOUT", Integer.toString(parameters.getAftDme2ConnectionTimeoutMs()));
props.setProperty("AFT_DME2_ROUNDTRIP_TIMEOUT_MS", Integer.toString(parameters.getAftDme2RoundtripTimeoutMs()));
props.setProperty("AFT_DME2_EP_READ_TIMEOUT_MS", Integer.toString(parameters.getAftDme2ReadTimeoutMs()));
String dme2PreferredRouterFilePath = parameters.getDme2preferredRouterFilePath();
ensureFileExists(dme2PreferredRouterFilePath);
props.setProperty("DME2preferredRouterFilePath", dme2PreferredRouterFilePath);
props.setProperty("TransportType", "DME2");
props.setProperty("SubContextPath", "/");
props.setProperty("MethodType", "GET");
props.setProperty("authKey", "");
props.setProperty("authDate", "");
props.setProperty("filter", "");
props.setProperty("AFT_DME2_EXCHANGE_REQUEST_HANDLERS", "");
props.setProperty("AFT_DME2_EXCHANGE_REPLY_HANDLERS", "");
props.setProperty("sessionstickinessrequired", "no");
return props;
}
private void ensureFileExists(String filePath) throws IOException {
File file = new File(filePath);
if(file.createNewFile()) {
logger.info("The file {} has been created on the disk", file.getAbsolutePath());
}
else{
logger.info("The file {} already exists", file.getAbsolutePath());
}
}
}
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