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 public interface Filter { 21 // 06 avr. 2002 18:36:32,036 22 // 18 fevr. 2002 20:05:36,222 23 public static final String ABSOLUTE_DATE_AND_TIME_PAT = 24 "^//d{1,2} .{2,6}//.? 2//d//d//d //d{2}://d{2}://d{2},//d{3}"; 25 26 // 18:54:19,201 27 public static final String ABSOLUTE_TIME_PAT = 28 "^//d{2}://d{2}://d{2},//d{3}"; 29 public static final String RELATIVE_TIME_PAT = "^//d{1,10}"; 30 final String BASIC_PAT = "//[main//] (FATAL|ERROR|WARN|INFO|DEBUG)"; 31 final String ISO8601_PAT = 32 "^//d{4}-//d{2}-//d{2} //d{2}://d{2}://d{2},//d{3}"; 33 34 /*** 35 * This filter transforms the input string and returns the results as 36 * output. If the input should be ignored, this method returns null. 37 * 38 */ 39 String filter(String in) throws UnexpectedFormatException; 40 }