Here you can find the source of quoteString(String s)
private static String quoteString(String s)
//package com.java2s; /*//from w ww . j ava2 s . c o m * The Shepherd Project - A Mark-Recapture Framework * Copyright (C) 2011 Jason Holmberg * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ public class Main { private static String quoteString(String s) { assert s != null; if (s.contains(" ")) return new StringBuilder().append("\"").append(s.replace("\"", "\\\"")).append("\"").toString(); return s.replace("\"", "\\\""); } }