001/**
002 * Copyright 2016 Tampere University of Technology, Pori Department
003 * 
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * 
008 *   http://www.apache.org/licenses/LICENSE-2.0
009 * 
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package service.tut.pori.apilta.alerts.datatypes;
017
018import java.util.List;
019
020import javax.xml.bind.annotation.XmlAccessType;
021import javax.xml.bind.annotation.XmlAccessorType;
022import javax.xml.bind.annotation.XmlElement;
023import javax.xml.bind.annotation.XmlRootElement;
024
025import core.tut.pori.http.ResponseData;
026
027/**
028 * list of alerts
029 * 
030 */
031@XmlRootElement(name=Definitions.ELEMENT_ALERT_LIST)
032@XmlAccessorType(value=XmlAccessType.NONE)
033public class AlertList extends ResponseData {
034  @XmlElement(name = Definitions.ELEMENT_ALERT)
035  private List<Alert> _alerts = null;
036
037  /**
038   * @return the alerts
039   * @see #setAlerts(List)
040   */
041  public List<Alert> getAlerts() {
042    return _alerts;
043  }
044
045  /**
046   * @param alerts the alerts to set
047   * @see #getAlerts()
048   */
049  public void setAlerts(List<Alert> alerts) {
050    _alerts = alerts;
051  }
052  
053  /**
054   * for sub-classing, use the static
055   * 
056   * @return true if empty
057   * @see #isEmpty(AlertList)
058   */
059  protected boolean isEmpty() {
060    return (_alerts == null || _alerts.isEmpty());
061  }
062  
063  /**
064   * 
065   * @param list
066   * @return true if the list is null or empty
067   */
068  public static boolean isEmpty(AlertList list) {
069    if(list == null){
070      return true;
071    }else{
072      return list.isEmpty();
073    }
074  }
075}