Here you can find the source of htmlspecialchars(String s)
public static String htmlspecialchars(String s)
//package com.java2s; /*//from ww w . j ava2s . c o m The GUFF - The GNU Ultimate Framework Facility Copyright (C) Simeosoft di Carlo Simeone 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 2.1 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; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ public class Main { /** * translate some HTML characters (similar to same PHP function) * The translations performed are: * '&' (ampersand) becomes '&' NOT YET IMPLEMENTED * '"' (double quote) becomes '"' NOT YET IMPLEMENTED *''' (single quote) becomes ''' NOT YET IMPLEMENTED *'<' (less than) becomes '<' *'>' (greater than) becomes '>' */ public static String htmlspecialchars(String s) { s = s.replaceAll("<", "<"); s = s.replaceAll(">", ">"); return s; } }