nbinotifications/src/main/java/org/opendaylight/transportpce/nbinotifications/serialization/NotificationAlarmServiceDeserializer.java

   1 /*
   2  * Copyright © 2021 Orange, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.transportpce.nbinotifications.serialization;
   9
  10 import java.nio.charset.StandardCharsets;
  11 import java.util.Map;
  12 import org.apache.kafka.common.serialization.Deserializer;
  13 import org.opendaylight.transportpce.common.converter.JsonStringConverter;
  14 import org.opendaylight.yang.gen.v1.nbi.notifications.rev210813.NotificationAlarmService;
  15 import org.opendaylight.yang.gen.v1.nbi.notifications.rev210813.get.notifications.alarm.service.output.NotificationsAlarmService;
  16 import org.opendaylight.yang.gen.v1.nbi.notifications.rev210813.get.notifications.alarm.service.output.NotificationsAlarmServiceBuilder;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  18 import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactorySupplier;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 public class NotificationAlarmServiceDeserializer implements Deserializer<NotificationsAlarmService> {
  23     private static final Logger LOG = LoggerFactory.getLogger(NotificationAlarmServiceDeserializer.class);
  24     private JsonStringConverter<NotificationAlarmService> converter;
  25
  26     @SuppressWarnings("unchecked")
  27     @Override
  28     public void configure(Map<String, ?> configs, boolean isKey) {
  29         LOG.info("Deserializer configuration {}", configs);
  30         if (configs.containsKey(ConfigConstants.CONVERTER)
  31                 && configs.get(ConfigConstants.CONVERTER) instanceof JsonStringConverter<?>) {
  32             converter = (JsonStringConverter<NotificationAlarmService>) configs.get(ConfigConstants.CONVERTER);
  33         }
  34     }
  35
  36     @Override
  37     public NotificationsAlarmService deserialize(String topic, byte[] data) {
  38         if (converter == null) {
  39             throw new IllegalArgumentException(
  40                     "Converter should be configured through configure method of deserializer");
  41         }
  42         String value = new String(data, StandardCharsets.UTF_8);
  43         // The message published is
  44         // org.opendaylight.yang.gen.v1.nbi.notifications.rev210813.NotificationAlarmService
  45         // we have to map it to
  46         // org.opendaylight.yang.gen
  47         // .v1.nbi.notifications.rev210813.get.notifications.service.output.NotificationsAlarmService
  48         NotificationAlarmService mappedString = converter.createDataObjectFromJsonString(
  49                 YangInstanceIdentifier.of(NotificationAlarmService.QNAME), value, JSONCodecFactorySupplier.RFC7951);
  50         if (mappedString == null) {
  51             return null;
  52         }
  53         LOG.info("Reading event {}", mappedString);
  54         return new NotificationsAlarmServiceBuilder()
  55                 .setConnectionType(mappedString.getConnectionType())
  56                 .setMessage(mappedString.getMessage())
  57                 .setOperationalState(mappedString.getOperationalState())
  58                 .setServiceName(mappedString.getServiceName())
  59                 .build();
  60     }
  61 }