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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  /***
21   * The sun.reflect.* lines are not present in all JDKs.
22   * 
23   * @author Ceki Gulcu
24   */
25  public class SunReflectFilter implements Filter {
26  
27    public String filter(String in) {
28      if(in == null) {
29        return null;
30      }
31      if (in.indexOf("at sun.reflect") != -1) {
32        return null;
33      } else {
34        return in;
35      }
36    }
37  }