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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 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.aai.dmaap;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import org.apache.log4j.MDC;
import org.json.JSONException;
import org.json.JSONObject;
import org.onap.aai.config.SpringContextAware;
import org.onap.aai.logging.LoggingContext.LoggingField;
import org.onap.aai.logging.LoggingContext.StatusCode;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.core.env.Environment;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.web.client.RestTemplate;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.TextMessage;
import java.util.Base64;
import java.util.Collections;
public class JMSConsumer implements MessageListener {
private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(JMSConsumer.class);
private static final int HTTPS_PORT = 3905;
private static final Base64.Encoder base64Encoder = Base64.getEncoder();
private HttpHeaders httpHeaders;
private RestTemplate restTemplate;
private Environment environment;
private LoadBalancerClient loadBalancerClient;
public JMSConsumer() throws Exception {
this((LoadBalancerClient)SpringContextAware.getApplicationContext().getBean("loadBalancerClient"));
}
public JMSConsumer(LoadBalancerClient loadBalancerClient) throws Exception {
this.loadBalancerClient = loadBalancerClient;
this.httpHeaders = new HttpHeaders();
this.httpHeaders.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
this.environment = SpringContextAware.getApplicationContext().getEnvironment();
String username = this.environment.getProperty("dmaap.ribbon.username");
String password = this.environment.getProperty("dmaap.ribbon.password");
if(username == null || password == null){
throw new Exception("Unable to retrive username/password from the application properties");
}
String auth = String.format("%s:%s", username, password);
String authString = "Basic " + base64Encoder.encodeToString(auth.getBytes());
httpHeaders.add("Authorization", authString);
restTemplate = new RestTemplate();
}
@Override
public void onMessage(Message message) {
String jsmMessageTxt = "";
String aaiEvent = "";
String eventName = "";
String environment = System.getProperty("lrmRO");
if (environment == null) {
environment = "";
}
if (message instanceof TextMessage) {
try {
jsmMessageTxt = ((TextMessage) message).getText();
JSONObject jo = new JSONObject(jsmMessageTxt);
if (jo.has("aaiEventPayload")) {
aaiEvent = jo.getJSONObject("aaiEventPayload").toString();
} else {
return;
}
if (jo.getString("transId") != null) {
MDC.put("requestId", jo.getString("transId"));
}
if (jo.getString("fromAppId") != null) {
MDC.put("partnerName", jo.getString("fromAppId"));
}
MDC.put("targetEntity", "DMAAP");
if (jo.getString("event-topic") != null) {
eventName = jo.getString("event-topic");
MDC.put("targetServiceName", eventName);
}
MDC.put("serviceName", "AAI");
MDC.put(LoggingField.STATUS_CODE.toString(), StatusCode.COMPLETE.toString());
MDC.put(LoggingField.RESPONSE_CODE.toString(), "0");
LOGGER.info(eventName + "|" + aaiEvent);
HttpEntity<String> httpEntity = new HttpEntity<>(aaiEvent, httpHeaders);
ServiceInstance serviceInstance = loadBalancerClient.choose("dmaap");
String url = serviceInstance.getHost() + ":" + serviceInstance.getPort();
if(serviceInstance.getPort() == HTTPS_PORT){
url = "https://" + url;
} else {
url = "http://" + url;
}
url += "/events/" + eventName;
if ("AAI-EVENT".equals(eventName)) {
restTemplate.exchange(url, HttpMethod.POST, httpEntity, String.class);
LOGGER.info(eventName + "|Event sent.");
} else if ("AAI-VCE-INTERFACE-DATA".equals(eventName)) {
restTemplate.exchange(url, HttpMethod.POST, httpEntity, String.class);
String msg = "";
LOGGER.info(eventName + "|Event sent. " + msg);
} else {
MDC.put(LoggingField.STATUS_CODE.toString(), StatusCode.ERROR.toString());
MDC.put(LoggingField.RESPONSE_CODE.toString(), "900");
LOGGER.error(eventName + "|Event Topic invalid.");
}
} catch (JMSException | JSONException e) {
MDC.put(LoggingField.STATUS_CODE.toString(), StatusCode.ERROR.toString());
MDC.put(LoggingField.RESPONSE_CODE.toString(), "200");
LOGGER.error("AAI_7350 Error parsing aaievent jms message for sending to dmaap. " + jsmMessageTxt, e);
} catch (Exception e) {
MDC.put(LoggingField.STATUS_CODE.toString(), StatusCode.ERROR.toString());
MDC.put(LoggingField.RESPONSE_CODE.toString(), "200");
LOGGER.error("AAI_7350 Error sending message to dmaap. " + jsmMessageTxt, e);
}
}
}
}
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