/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements.  See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License.  You may obtain a copy of the License at *  *      http://www.apache.org/licenses/LICENSE-2.0 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package org.apache.log4j.util;import java.io.*;import org.apache.oro.text.perl.Perl5Util;public class AbsoluteTimeFilter implements Filter {  Perl5Util util = new Perl5Util();    public   String filter(String in) {    String pat = "/"+Filter.ABSOLUTE_TIME_PAT+"/";    if(util.match(pat, in)) {          return util.substitute("s/"+Filter.ABSOLUTE_TIME_PAT+"//", in);    } else {      return in;    }  }}