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package io.lightlink.security;

/*
 * #%L
 * lightlink-core
 * %%
 * Copyright (C) 2015 Vitaliy Shevchuk
 * %%
 * This program 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 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 Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */


public class AntiXSS {

    public static String escape(String data) {
        return data == null ? data : data
                .replaceAll("&", "&")
                .replaceAll("\"", """)
                .replaceAll("'", "'")
                .replaceAll("<", "<")
                .replaceAll(">", ">");
    }

    public static String unescape(String data) {
        return data == null ? data : data
                .replaceAll(""", "\"")
                .replaceAll("'", "'")
                .replaceAll("<", "<")
                .replaceAll(">", ">")
                .replaceAll("&", "&");
    }


}