Java tutorial
/** * Copyright (C) 2000 - 2009 Silverpeas * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * As a special exception to the terms and conditions of version 3.0 of * the GPL, you may redistribute this Program in connection with Free/Libre * Open Source Software ("FLOSS") applications as described in Silverpeas's * FLOSS exception. You should have received a copy of the text describing * the FLOSS exception, and it is also available here: * "http://repository.silverpeas.com/legal/licensing" * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.silverpeas.file; import java.io.File; import java.util.ArrayList; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.io.FileUtils; import org.apache.commons.io.IOUtils; public class ModifText extends ModifFile { /** * @constructor prend en paramtre le chemin du fichier a modifier */ public ModifText(String path) throws Exception { super.setPath(path); } /** * ajoute des modifications sous forme de tableau de chaine "key=replace" */ public void setModif(String str[]) throws Exception { for (int i = 0; i < str.length; i++) { this.addModification(str[i]); } } /** * analyse une ligne du fichier */ protected String analyseLigne(String line) { String tmpLine = line; for (ElementModif modif : listeModifications) { tmpLine = analyseLine(tmpLine, modif); } if ("".equals(tmpLine)) { tmpLine = line; } return tmpLine; } protected String analyseLine(String line, ElementModif modification) { StringBuffer resStr = new StringBuffer(); if (modification instanceof RegexpElementMotif) { RegexpElementMotif emv = (RegexpElementMotif) modification; Pattern pattern = emv.getPattern(); Matcher match = pattern.matcher(line); while (match.find()) { match.appendReplacement(resStr, emv.getRemplacement()); } match.appendTail(resStr); } else { ElementModif em = modification; // remplace uniquement la derniere occurence de chaque ligne int res = line.lastIndexOf(em.getSearch()); if (res != -1) { resStr.append(line.substring(0, res)).append(em.getModif()) .append(line.substring((res + em.getSearch().length()), line.length())); } } return resStr.toString().trim(); } /** * lance la modification du fichier Attention la modification s'effectue par ligne du fichier */ @Override public void executeModification() throws Exception { File inFile = new File(path); List<String> lines = FileUtils.readLines(inFile); List<String> newLines = new ArrayList<String>(lines.size()); for (String line : lines) { newLines.add(analyseLigne(line)); } FileUtils.writeLines(inFile, newLines); // Specifique Linux/Solaris: on met le fichier de script en executable if ((path.endsWith(".sh") || path.endsWith(".csh") || path.endsWith(".ksh")) && IOUtils.DIR_SEPARATOR_UNIX == File.separatorChar) { String[] commande = new String[3]; commande[0] = "/bin/chmod"; commande[1] = "755"; commande[2] = path; Runtime.getRuntime().exec(commande); } } }