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1   /*
2    * Copyright 2000-2001,2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16   
17  package org.apache.jetspeed.util;
18  
19  import org.apache.ecs.Filter;
20  
21  import java.io.Serializable;
22  
23  /***
24  A filter for ECS that doesn't do anything.
25  
26  */
27  
28  public class JetspeedNullFilter implements Filter, Serializable 
29  {
30      
31      public Filter addAttribute(String name, Object attribute) {
32          return this;
33      }
34      
35      public Filter removeAttribute(String name) {
36          return this;
37      }
38      
39      public boolean hasAttribute(String name) {
40          return false;
41      }
42      
43      public String process(String to_process) {
44          return to_process;
45      }
46      
47      public String getInfo() {
48          return "info";
49      }
50      
51  }
52