View Javadoc

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  package org.apache.log4j.util;
18  
19  import java.util.regex.Pattern;
20  
21  public class XMLDateFilter implements Filter {
22      private final static String PATTERN  =
23              "//d{4}-//d{2}-//d{2}T//d{2}://d{2}://d{2}.//d{3}";
24      private final Pattern pattern;
25  
26      public XMLDateFilter() {
27          pattern = Pattern.compile(PATTERN);
28      }
29  
30      public String filter(final String in) {
31        if (in != null && pattern.matcher(in).find()) {
32            return pattern.matcher(in).replaceAll("yyyy-MM-ddTHH:mm:ss.SSS");
33        } else {
34          return in;
35        }
36      }
37  
38  }