Here you can find the source of quote(String str)
public static String quote(String str)
//package com.java2s; /*//from w ww . j a v a 2 s.com * soapUI, copyright (C) 2004-2010 eviware.com * * soapUI is free software; you can redistribute it and/or modify it under the * terms of version 2.1 of the GNU Lesser General Public License as published by * the Free Software Foundation. * * soapUI 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 at gnu.org. */ public class Main { public static String quote(String str) { if (str == null) return str; if (str.length() < 2 || !str.startsWith("\"") || !str.endsWith("\"")) str = "\"" + str + "\""; return str; } }