001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package org.apache.log4j.pattern; 019 020import org.apache.log4j.Layout; 021import org.apache.log4j.spi.LoggingEvent; 022 023 024/** 025 * Formats a line separator. 026 * 027 * @author Ceki Gülcü 028 */ 029public final class LineSeparatorPatternConverter 030 extends LoggingEventPatternConverter { 031 /** 032 * Singleton. 033 */ 034 private static final LineSeparatorPatternConverter INSTANCE = 035 new LineSeparatorPatternConverter(); 036 037 /** 038 * Line separator. 039 */ 040 private final String lineSep; 041 042 /** 043 * Private constructor. 044 */ 045 private LineSeparatorPatternConverter() { 046 super("Line Sep", "lineSep"); 047 lineSep = Layout.LINE_SEP; 048 } 049 050 /** 051 * Obtains an instance of pattern converter. 052 * @param options options, may be null. 053 * @return instance of pattern converter. 054 */ 055 public static LineSeparatorPatternConverter newInstance( 056 final String[] options) { 057 return INSTANCE; 058 } 059 060 /** 061 * {@inheritDoc} 062 */ 063 public void format(LoggingEvent event, final StringBuffer toAppendTo) { 064 toAppendTo.append(lineSep); 065 } 066 067 /** 068 * {@inheritDoc} 069 */ 070 public void format(final Object obj, final StringBuffer toAppendTo) { 071 toAppendTo.append(lineSep); 072 } 073}