View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.custom.schedule.util;
21  
22  import java.io.Serializable;
23  import java.util.Comparator;
24  
25  import org.apache.myfaces.custom.schedule.model.ScheduleEntry;
26  
27  /**
28   * <p>
29   * Comparator for ScheduleEntry objects. This is needed for correctly
30   * rendering the schedule.
31   * </p>
32   *
33   * @author Jurgen Lust (latest modification by $Author: schof $)
34   * @author Bruno Aranda (adaptation of Jurgen's code to myfaces)
35   * @version $Revision: 381473 $
36   */
37  public class ScheduleEntryComparator implements Comparator, Serializable
38  {
39      private static final long serialVersionUID = 6863061256811196989L;
40  
41      //~ Methods ----------------------------------------------------------------
42  
43      /**
44       * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
45       */
46      public int compare(Object o1, Object o2)
47      {
48          if (o1 instanceof ScheduleEntry && o2 instanceof ScheduleEntry)
49          {
50              ScheduleEntry entry1 = (ScheduleEntry) o1;
51              ScheduleEntry entry2 = (ScheduleEntry) o2;
52  
53              int returnint = entry1.getStartTime().compareTo(
54                      entry2.getStartTime());
55              if (returnint == 0)
56              {
57                  returnint = entry1.getEndTime().compareTo(entry2.getEndTime());
58              }
59              if (returnint == 0)
60              {
61                  returnint = entry1.getId().compareTo(entry2.getId());
62              }
63  
64              return returnint;
65          }
66  
67          return 1;
68      }
69  }
70  //The End