nbinotifications/src/main/java/org/opendaylight/transportpce/nbinotifications/serialization/NotificationServiceDeserializer.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.rev201130.get.notifications.service.output.NotificationService;
  15 import org.opendaylight.yang.gen.v1.nbi.notifications.rev201130.get.notifications.service.output.NotificationServiceBuilder;
  16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  17 import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactorySupplier;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21 public class NotificationServiceDeserializer implements Deserializer<NotificationService> {
  22     private static final Logger LOG = LoggerFactory.getLogger(NotificationServiceDeserializer.class);
  23     private JsonStringConverter<org.opendaylight.yang.gen.v1
  24         .nbi.notifications.rev201130.NotificationService> 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<org.opendaylight.yang.gen.v1
  33                     .nbi.notifications.rev201130.NotificationService>) configs
  34                     .get(ConfigConstants.CONVERTER);
  35         }
  36     }
  37
  38     @Override
  39     public NotificationService deserialize(String topic, byte[] data) {
  40         if (converter == null) {
  41             throw new IllegalArgumentException(
  42                     "Converter should be configured through configure method of deserializer");
  43         }
  44         String value = new String(data, StandardCharsets.UTF_8);
  45         // The message published is
  46         // org.opendaylight.yang.gen.v1.nbi.notifications.rev201130.NotificationService
  47         // we have to map it to
  48         // org.opendaylight.yang.gen
  49         // .v1.nbi.notifications.rev201130.get.notifications.service.output.NotificationService
  50         org.opendaylight.yang.gen.v1.nbi.notifications.rev201130.NotificationService mappedString = converter
  51                 .createDataObjectFromJsonString(YangInstanceIdentifier.of(
  52                         org.opendaylight.yang.gen.v1.nbi.notifications.rev201130.NotificationService.QNAME),
  53                         value,
  54                         JSONCodecFactorySupplier.RFC7951);
  55         if (mappedString != null) {
  56             LOG.info("Reading event {}", mappedString);
  57             return new NotificationServiceBuilder().setCommonId(mappedString.getCommonId())
  58                     .setConnectionType(mappedString.getConnectionType()).setMessage(mappedString.getMessage())
  59                     .setOperationalState(mappedString.getOperationalState())
  60                     .setResponseFailed(mappedString.getResponseFailed()).setServiceName(mappedString.getServiceName())
  61                     .setServiceAEnd(mappedString.getServiceAEnd()).setServiceZEnd(mappedString.getServiceZEnd())
  62                     .build();
  63         }
  64         return null;
  65     }
  66
  67 }