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.pattern; 19 20 import org.apache.log4j.Layout; 21 import org.apache.log4j.spi.LoggingEvent; 22 23 24 /** 25 * Formats a line separator. 26 * 27 * @author Ceki Gülcü 28 */ 29 public final class LineSeparatorPatternConverter 30 extends LoggingEventPatternConverter { 31 /** 32 * Singleton. 33 */ 34 private static final LineSeparatorPatternConverter INSTANCE = 35 new LineSeparatorPatternConverter(); 36 37 /** 38 * Line separator. 39 */ 40 private final String lineSep; 41 42 /** 43 * Private constructor. 44 */ 45 private LineSeparatorPatternConverter() { 46 super("Line Sep", "lineSep"); 47 lineSep = Layout.LINE_SEP; 48 } 49 50 /** 51 * Obtains an instance of pattern converter. 52 * @param options options, may be null. 53 * @return instance of pattern converter. 54 */ 55 public static LineSeparatorPatternConverter newInstance( 56 final String[] options) { 57 return INSTANCE; 58 } 59 60 /** 61 * {@inheritDoc} 62 */ 63 public void format(LoggingEvent event, final StringBuffer toAppendTo) { 64 toAppendTo.append(lineSep); 65 } 66 67 /** 68 * {@inheritDoc} 69 */ 70 public void format(final Object obj, final StringBuffer toAppendTo) { 71 toAppendTo.append(lineSep); 72 } 73 }