17ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu/** 27ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu * Copyright (c) 2004-2011 QOS.ch 388c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * All rights reserved. 47ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu * 588c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * Permission is hereby granted, free of charge, to any person obtaining 688c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * a copy of this software and associated documentation files (the 788c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * "Software"), to deal in the Software without restriction, including 888c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * without limitation the rights to use, copy, modify, merge, publish, 988c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * distribute, sublicense, and/or sell copies of the Software, and to 1088c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * permit persons to whom the Software is furnished to do so, subject to 1188c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * the following conditions: 127ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu * 1388c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * The above copyright notice and this permission notice shall be 1488c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * included in all copies or substantial portions of the Software. 157ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu * 1688c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 1788c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 1888c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 1988c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 2088c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 2188c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 2288c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 237ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu * 2488c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu */ 2588c4c456766193e012eb890e2208473d99b91f83Ceki Gulcupackage org.slf4j.migrator.line; 2688c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 2788c4c456766193e012eb890e2208473d99b91f83Ceki Gulcuimport java.util.regex.Matcher; 2888c4c456766193e012eb890e2208473d99b91f83Ceki Gulcuimport java.util.regex.Pattern; 2988c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 3088c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu/** 3188c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * This class represents a conversion rule It uses a Pattern and defines for 3288c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * each capturing group of this Pattern a replacement text 3388c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * 3488c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * @author jean-noelcharpin 3588c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * 3688c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu */ 3788c4c456766193e012eb890e2208473d99b91f83Ceki Gulcupublic class MultiGroupConversionRule implements ConversionRule { 3888c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 3931212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu // It is extremely unlikely to encounter more than 10 groups in one of 4031212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu // our conversion reg-expressions 4131212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu final private static int MAX_GROUPS = 10; 4288c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 4331212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu private Pattern pattern; 4431212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu private String[] replacementTable = new String[MAX_GROUPS]; 4588c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 4631212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu public MultiGroupConversionRule(Pattern pattern) { 4731212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu this.pattern = pattern; 4831212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 4988c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 5031212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu /* 5131212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu * (non-Javadoc) 5231212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu * 5331212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu * @see org.slf4j.converter.ConversionRule#getPattern() 5431212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu */ 5531212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu public Pattern getPattern() { 5631212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu return pattern; 5788c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu } 5888c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 5931212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu public void addReplacement(int groupIndex, String replacement) { 6031212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu if (groupIndex == 0) { 6131212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu throw new IllegalArgumentException("regex groups start at 1, not zero"); 6231212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 6331212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu replacementTable[groupIndex] = replacement; 6431212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 6588c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 6631212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu /* 6731212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu * (non-Javadoc) 6831212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu * 6931212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu * @see org.slf4j.converter.ConversionRule#getReplacement(java.lang.Integer) 7031212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu */ 7131212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu public String getReplacement(int groupIndex) { 7231212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu return replacementTable[groupIndex]; 7388c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu } 7488c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 7531212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu /* 7631212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu * (non-Javadoc) 7731212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu * 7831212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu * @see org.slf4j.converter.ConversionRule#replace(java.util.regex.Matcher) 7931212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu */ 8031212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu public String replace(Matcher matcher) { 8131212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu StringBuilder replacementBuffer = new StringBuilder(); 8231212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu String replacementText; 8331212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu 8431212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu for (int group = 1; group <= matcher.groupCount(); group++) { 8531212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu replacementText = getReplacement(group); 8631212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu if (replacementText != null) { 8731212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu // System.out.println("replacing group " + group + " : " 8831212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu // + matcher.group(group) + " with " + replacementText); 8931212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu replacementBuffer.append(replacementText); 9031212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } else { 9131212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu replacementBuffer.append(matcher.group(group)); 9231212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 9331212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 9431212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu return replacementBuffer.toString(); 9531212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 9631212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu 9731212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu public String getAdditionalLine() { 9831212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu return null; 9931212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 10088c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu} 101