1 /** 2 * Copyright (c) 2004-2011 QOS.ch 3 * All rights reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 package org.slf4j.migrator.line; 26 27 import java.util.ArrayList; 28 import java.util.Iterator; 29 import java.util.regex.Pattern; 30 31 import org.slf4j.migrator.line.ConversionRule; 32 import org.slf4j.migrator.line.MultiGroupConversionRule; 33 import org.slf4j.migrator.line.RuleSet; 34 import org.slf4j.migrator.line.SingleConversionRule; 35 36 class TrivialMatcher implements RuleSet { 37 38 private final ArrayList<ConversionRule> conversionRuleList; 39 40 public TrivialMatcher() { 41 // simple rule no capturing group is defined, we use default capturing group which is group zero 42 SingleConversionRule cr = new SingleConversionRule(Pattern.compile("import org.slf4j.converter"), "simple replacement with an unique capturing group"); 43 44 // we define 4 differents capturing groups 45 MultiGroupConversionRule cr1 = new MultiGroupConversionRule(Pattern.compile("(first group)( second group)( third group)( 4th group)")); 46 // group zero is ignored during treatment 47 // replacement for the first 48 cr1.addReplacement(1, "1st group"); 49 // no replacement for the second group it will remains the same 50 // empty string for the third group it will be deleted 51 cr1.addReplacement(3, ""); 52 // no replacement for the third group it will remains the same 53 54 conversionRuleList = new ArrayList<>(); 55 conversionRuleList.add(cr); 56 conversionRuleList.add(cr1); 57 } 58 59 public Iterator<ConversionRule> iterator() { 60 return conversionRuleList.iterator(); 61 } 62 63 }