DeliveryTrackerImpl.java

/*
 * Copyright 2011 the original author or authors.
 *
 * 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.
 */
package io.vertx.ext.amqp.impl.protocol;

import io.vertx.core.json.JsonObject;
import io.vertx.ext.amqp.*;

public class DeliveryTrackerImpl implements DeliveryTracker {
  String _ref;

  DeliveryState _deliveryState;

  MessageState _msgState;

  DeliveryTrackerImpl(String ref, DeliveryState deliveryState, MessageState msgState) {
    super();
    _ref = ref;
    _deliveryState = deliveryState;
    _msgState = msgState;
  }

  public static DeliveryTracker create(JsonObject json) {
    String[] keys = {AMQPService.OUTGOING_MSG_REF, NotificationHelper.DELIVERY_STATE, NotificationHelper.MSG_STATE};
    for (String key : keys) {
      if (!json.containsKey(key)) {
        throw new IllegalArgumentException(
          String.format("Malformed delivery-tracker message, '%s' missing", key));
      }
    }
    return new DeliveryTrackerImpl(json.getString(AMQPService.OUTGOING_MSG_REF), DeliveryState.valueOf(json
      .getString(NotificationHelper.DELIVERY_STATE)), MessageState.valueOf(json
      .getString(NotificationHelper.MSG_STATE)));
  }

  @Override
  public DeliveryState getDeliveryState() {
    return _deliveryState;
  }

  @Override
  public MessageState getMessageState() {
    return _msgState;
  }

  @Override
  public String getMessageRef() {
    return _ref;
  }
}