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 */ 017package org.apache.logging.log4j.core.pattern; 018 019import java.util.List; 020 021import org.apache.logging.log4j.core.config.Configuration; 022import org.apache.logging.log4j.core.config.plugins.Plugin; 023import org.apache.logging.log4j.core.layout.PatternLayout; 024import org.apache.logging.log4j.util.PerformanceSensitive; 025import org.apache.logging.log4j.util.StringBuilders; 026 027/** 028 * Equals ignore case pattern converter. 029 */ 030@Plugin(name = "equalsIgnoreCase", category = PatternConverter.CATEGORY) 031@ConverterKeys({ "equalsIgnoreCase" }) 032@PerformanceSensitive("allocation") 033public final class EqualsIgnoreCaseReplacementConverter extends EqualsBaseReplacementConverter { 034 035 /** 036 * Gets an instance of the class. 037 * 038 * @param config 039 * The current Configuration. 040 * @param options 041 * pattern options, an array of three elements: pattern, testString, and substitution. 042 * @return instance of class. 043 */ 044 public static EqualsIgnoreCaseReplacementConverter newInstance(final Configuration config, final String[] options) { 045 if (options.length != 3) { 046 LOGGER.error("Incorrect number of options on equalsIgnoreCase. Expected 3 received " + options.length); 047 return null; 048 } 049 if (options[0] == null) { 050 LOGGER.error("No pattern supplied on equalsIgnoreCase"); 051 return null; 052 } 053 if (options[1] == null) { 054 LOGGER.error("No test string supplied on equalsIgnoreCase"); 055 return null; 056 } 057 if (options[2] == null) { 058 LOGGER.error("No substitution supplied on equalsIgnoreCase"); 059 return null; 060 } 061 final String p = options[1]; 062 final PatternParser parser = PatternLayout.createPatternParser(config); 063 final List<PatternFormatter> formatters = parser.parse(options[0]); 064 return new EqualsIgnoreCaseReplacementConverter(formatters, p, options[2], parser); 065 } 066 067 /** 068 * Construct the converter. 069 * 070 * @param formatters The PatternFormatters to generate the text to manipulate. 071 * @param testString The test string. 072 * @param substitution The substitution string. 073 * @param parser The PatternParser. 074 */ 075 private EqualsIgnoreCaseReplacementConverter(final List<PatternFormatter> formatters, final String testString, 076 final String substitution, final PatternParser parser) { 077 super("equalsIgnoreCase", "equalsIgnoreCase", formatters, testString, substitution, parser); 078 } 079 080 @Override 081 protected boolean equals(final String str, final StringBuilder buff, final int from, final int len) { 082 return StringBuilders.equalsIgnoreCase(str, 0, str.length(), buff, from, len); 083 } 084}