1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.log4j.util;
19  
20  import org.apache.oro.text.perl.Perl5Util;
21  
22  public class ISO8601Filter implements Filter {
23  
24    Perl5Util util = new Perl5Util();
25    
26    public 
27    String filter(String in) {
28      String pat = "/"+ISO8601_PAT +"/";
29  
30      if(util.match(pat, in)) {    
31        return util.substitute("s/"+ISO8601_PAT+"//", in);
32      } else {
33        return in;
34      }
35    }
36  }