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 $Author$)
29 * @version $Revision$ $Date$
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_OLD = "org.apache.webbeans.el.WebBeansELResolver";
37 public static final String OWB_RESOLVER = "org.apache.webbeans.el22.WebBeansELResolver";
38
39 @Override
40 public int compare(ELResolver r1, ELResolver r2)
41 {
42 if (r1.getClass().getName().equals(OWB_RESOLVER_OLD) || r1.getClass().getName().equals(OWB_RESOLVER))
43 {
44 return 1;
45 }
46 else if (r2.getClass().getName().equals(OWB_RESOLVER_OLD) || r2.getClass().getName().equals(OWB_RESOLVER))
47 {
48 return -1;
49 }
50 return 0; // keep order
51 }
52
53 }