Main.java Source code

Java tutorial

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2010-12  Ciaran Gultnieks, ciaran@ciarang.com
 *
 * This program 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 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 Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

import android.text.TextUtils;

public class Main {
    public static String formatFingerprint(String fingerprint) {
        if (TextUtils.isEmpty(fingerprint) || fingerprint.length() != 64 // SHA-256 is 64 hex chars
                || fingerprint.matches(".*[^0-9a-fA-F].*")) // its a hex string
            return "BAD FINGERPRINT";
        String displayFP = fingerprint.substring(0, 2);
        for (int i = 2; i < fingerprint.length(); i = i + 2)
            displayFP += " " + fingerprint.substring(i, i + 2);
        return displayFP;
    }
}