Here you can find the source of indentRows(int level, String ss, String indentStr)
public static String indentRows(int level, String ss, String indentStr)
//package com.java2s; /*//from w w w . j a v a 2 s. c om * Copyright (C) 2010-2015 JPEXS, All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3.0 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. */ public class Main { public static String indentRows(int level, String ss, String indentStr) { StringBuilder sb = new StringBuilder(); for (int ii = 0; ii < level; ii++) { sb.append(indentStr); } ss = ss.replaceAll("(\r\n|\r|\n)", "\r\n"); ss = "\r\n" + ss; String repl = "\r\n" + sb.toString(); ss = ss.replace("\r\n", repl); if (ss.endsWith(repl)) { ss = ss.substring(0, ss.length() - sb.toString().length()); } ss = ss.substring(2); return ss; } }