Here you can find the source of indent(String string, int level, boolean indentFirst, int tabSize)
public static String indent(String string, int level, boolean indentFirst, int tabSize)
//package com.java2s; /*// ww w .j a v a 2 s. c o m * Copyright (c) 2016 Catavolt Inc. All rights reserved. * * This file is part of Ozy. * * 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. * * 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/>. */ public class Main { public static final int DEFAULT_TAB_SIZE = 4; public static String indent(String string, int level) { return indent(string, level, true, DEFAULT_TAB_SIZE); } public static String indent(String string, int level, boolean indentFirst) { return indent(string, level, indentFirst, DEFAULT_TAB_SIZE); } /** * Split the given string on each newline or line return, then indent all lines by tabSize for each level. * There is no indent for level zero. */ public static String indent(String string, int level, boolean indentFirst, int tabSize) { String indention = indention(level, tabSize); String[] lines = string.split("\\r?\\n"); String answer = ""; for (int i = 0; i < lines.length; i++) { String l = lines[i]; if (i == 0) { if (indentFirst) { answer += indention + l; } else { answer += l; } } else { answer += "\n" + indention + l; } } return answer; } /** * Create an indention string that contains level * tabSize space characters. */ public static String indention(int level, int tabSize) { StringBuilder indention = new StringBuilder(); for (int i = 0; i < level * tabSize; i++) { indention.append(" "); } return indention.toString(); } public static String indention(int level) { return indention(level, DEFAULT_TAB_SIZE); } }