    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 LineNumberFilter implements Filter {
    23
    24    Perl5Util util = new Perl5Util();
    25
    26    public
    27    String filter(String in) {
    28      if(util.match("/\\(.*:\\d{1,4}\\)/", in)) {
    29        return util.substitute("s/:\\d{1,4}\\)/:XXX)/", in);
    30      } else {
    31        if(in.indexOf(", Compiled Code") >= 0) {
    32           return util.substitute("s/, Compiled Code/:XXX/", in);
    33        }
    34        return in;
    35      }
    36    }
    37  }