    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
    22    final String BASIC_PAT = "\\[main\\] (FATAL|ERROR|WARN|INFO|DEBUG)";
    23    final String ISO8601_PAT = "^\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2},\\d{3}";
    24
    25    // 06 avr. 2002 18:36:32,036
    26    // 18 fevr. 2002 20:05:36,222
    27    static public final String ABSOLUTE_DATE_AND_TIME_PAT =
    28                             "^\\d{1,2} .{2,6}\\.? 2\\d{3} \\d{2}:\\d{2}:\\d{2},\\d{3}";
    29
    30    // 18:54:19,201
    31    static public final String ABSOLUTE_TIME_PAT =
    32                             "^\\d{2}:\\d{2}:\\d{2},\\d{3}";
    33
    34    static public final String RELATIVE_TIME_PAT = "^\\d{1,10}";
    35
    36
    37    String filter(String in) throws UnexpectedFormatException;
    38  }