AlertServiceImpl


1   /**
2   * Copyright (c) 2004-2005 jManage.org
3   *
4   * This is a free software; you can redistribute it and/or
5   * modify it under the terms of the license at
6   * http://www.jmanage.org.
7   *
8   * Unless required by applicable law or agreed to in writing, software
9   * distributed under the License is distributed on an "AS IS" BASIS,
10  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11  * See the License for the specific language governing permissions and
12  * limitations under the License.
13  */
14  package org.jmanage.core.services;
15  
16  import org.jmanage.core.alert.delivery.ConsoleAlerts;
17  import org.jmanage.core.alert.AlertInfo;
18  
19  import java.util.*;
20  
21  /**
22   *
23   * Date:  Aug 3, 2005
24   * @author  Rakesh Kalra
25   */
26  public class AlertServiceImpl implements AlertService {
27  
28      public List getConsoleAlerts(ServiceContext context)
29              throws ServiceException {
30  
31          List alerts = new LinkedList();
32          // create a copy
33          for(Iterator it=ConsoleAlerts.getInstance().getAll().iterator(); it.hasNext();){
34              alerts.add(it.next());
35          }
36          Collections.sort(alerts, new Comparator(){
37              public int compare(Object   o1, Object   o2) {
38                  AlertInfo info1 = (AlertInfo)o1;
39                  AlertInfo info2 = (AlertInfo)o2;
40                  if(info1.getTimeStamp() == info2.getTimeStamp()){
41                      return 0;
42                  }else if(info1.getTimeStamp() < info2.getTimeStamp()){
43                      return -1;
44                  }else{
45                      return 1;
46                  }
47              }
48          });
49  
50          return alerts;
51      }
52  
53      public void removeConsoleAlert(ServiceContext context,
54                                     String   alertId) {
55          ConsoleAlerts.getInstance().remove(alertId);
56      }
57  }
58
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