iddb.core.util.Validator.java Source code

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Here is the source code for iddb.core.util.Validator.java

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/**
 *   Copyright(c) 2010-2011 CodWar Soft
 * 
 *   This file is part of IPDB UrT.
 *
 *   IPDB UrT 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.
 *
 *   This software 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 software. If not, see <http://www.gnu.org/licenses/>.
 */
package iddb.core.util;

import java.util.regex.Pattern;

import org.apache.commons.lang.StringUtils;

public final class Validator {

    private final static String IP_RE = "^(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d|[\\*])){3}$";
    private final static String IP_RE_MASK = "^(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d|[\\*])){2}(\\.([\\d\\w\\*]{1,3}))$";
    private final static String CLIENT_ID_RE = "^@([0-9]+)$";
    private final static String MAIL_RE = "^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
    private final static String RE_GUID = "^[A-F0-9]{32}$";

    public static boolean isValidIp(String value) {
        return Pattern.matches(IP_RE, value);
    }

    public static boolean isValidSearchIp(String value) {
        return Pattern.matches(IP_RE_MASK, value);
    }

    public static boolean isValidClientId(String value) {
        return Pattern.matches(CLIENT_ID_RE, value);
    }

    public static boolean isValidEmail(String value) {
        return Pattern.matches(MAIL_RE, value);
    }

    public static boolean isValidGuid(String value) {
        return Pattern.matches(RE_GUID, value);
    }

    public static boolean isValidPlayerName(String value) {
        if (StringUtils.isEmpty(value) || value.contains(" "))
            return false;
        for (int i = 0; i < value.length(); i++)
            if (!validPlayerNameChar(value.charAt(i)))
                return false;
        return true;
    }

    private static boolean validPlayerNameChar(char c) {
        // Continuously improve this.
        return c < 256 && c != ' ';
    }
}