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  /**
23   * The sun.reflect.* and java.lang.reflect.* lines are not present in all JDKs.
24   * 
25   * @author Ceki Gulcu
26   */
27  public class SunReflectFilter implements Filter {
28    Perl5Util util = new Perl5Util();
29  
30    public String filter(String in) {
31      if(in == null) {
32        return null;
33      }
34      if (util.match("/at sun.reflect/", in)) {
35        return null;
36      }
37      if (in.indexOf("at java.lang.reflect.") >= 0) {
38        return null;
39      }
40      if (in.indexOf("Compiled Code") >= 0) {
41          if(in.indexOf("junit.framework.TestSuite") >= 0) {
42              return util.substitute("s/Compiled Code/TestSuite.java:XXX/", in);
43          }
44      }
45      if (util.match("/\\(Method.java:.*\\)/", in)) {
46        return util.substitute("s/\\(Method.java:.*\\)/(Native Method)/", in);
47      }
48      return in;
49    }
50  }