content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.ambari.server.actionmanager;
  
  import java.io.IOException;
  
  import javax.xml.bind.JAXBException;
  
  import org.apache.ambari.server.state.ServiceComponentHostEvent;
  import org.apache.ambari.server.utils.StageUtils;
  
  public class ServiceComponentHostEventWrapper {
  
    private ServiceComponentHostEvent event = null;
    private String eventJson = null;
  
    public ServiceComponentHostEventWrapper(ServiceComponentHostEvent event) {
      this.event  = event;
    }
    
    public ServiceComponentHostEventWrapper(String eventJson) {
      this.eventJson = eventJson;
    }
  
    public ServiceComponentHostEvent getEvent() {
      if (event != null) {
        return event;
      } else if (eventJson != null) {
        try {
          event = StageUtils.fromJson(eventJson, ServiceComponentHostEvent.class);
          return event;
        } catch (IOException e) {
          throw new RuntimeException("Illegal Json for event", e);
        }
      }
      return null;
    }
    
    public String getEventJson() { 
      if (eventJson != null) {
        return eventJson;
      } else if (event != null) {
        try {
          eventJson = StageUtils.jaxbToString(event);
          return eventJson;
        } catch (JAXBException | IOException e) {
          throw new RuntimeException("Couldn't get json", e);
        }
      } else {
        return null;
      }
    }
    
    @Override
    public String toString() {
      if (event != null) {
        return event.toString();
      } else if (eventJson != null) {
        return eventJson;
      }
      return "null";
    }
  }
  