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  package org.apache.myfaces.el.unified;
20  
21  import java.util.Comparator;
22  
23  import javax.el.ELResolver;
24  
25  /**
26   * Comparator for ELResolvers that shifts the Resolver from OWB to the last place.
27   * 
28   * @author Jakob Korherr (latest modification by $Author: jakobk $)
29   * @version $Revision: 986157 $ $Date: 2010-08-16 18:07:17 -0500 (Mon, 16 Aug 2010) $
30   *
31   * @since 1.2.10, 2.0.2
32   */
33  public class OpenWebBeansELResolverComparator implements Comparator<ELResolver>
34  {
35      
36      public static final String OWB_RESOLVER = "org.apache.webbeans.el.WebBeansELResolver";
37  
38      public int compare(ELResolver r1, ELResolver r2)
39      {
40          if (r1.getClass().getName().equals(OWB_RESOLVER))
41          {
42              return 1;
43          }
44          else if (r2.getClass().getName().equals(OWB_RESOLVER))
45          {
46              return -1;
47          }
48          return 0; // keep order
49      }
50      
51  }