Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * This file is part of OpenVPN-Settings.
 *
 * Copyright  2009-2012  Friedrich Schuffelhut
 *
 * OpenVPN-Settings 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 3 of the License, or
 * (at your option) any later version.
 *
 * OpenVPN-Settings 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 OpenVPN-Settings.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Report bugs or new features at: http://code.google.com/p/android-openvpn-settings/
 * Contact the author at:          android.openvpn@schaeuffelhut.de
 */

public class Main {
    /**
     * Prepare and sanitize a string to be used as parameter for a command
     * @param s
     * @return A string safe to use as parameter for a command
     */
    public static String optionalShellEscape(String s) {
        if (s.matches("[a-zA-Z0-9/._-]+"))
            return s;

        return shellEscape(s);
    }

    /**
     * Prepare and sanitize a string to be used as parameter for a command
     * @param s
     * @return A string safe to use as parameter for a command
     */
    public static String shellEscape(String s) {
        StringBuilder sb = new StringBuilder(s.length() + 200);
        sb.append("'");
        sb.append(s.replace("'", "\\'").replace("\n", "\\\n"));
        sb.append("'");
        return sb.toString();
    }
}