Android Open Source - Flym String Utils

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License

The source code is released under:

GNU General Public License

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Java Source Code

/**
 * Flym//from w  w w . j  a  va2s  .  c om
 *
 * Copyright (c) 2012-2013 Frederic Julian
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

package net.fred.feedex.utils;

import android.os.Build;

import net.fred.feedex.MainApplication;

import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class StringUtils {

    private static final DateFormat TIME_FORMAT = android.text.format.DateFormat.getTimeFormat(MainApplication.getContext());
    private static final int SIX_HOURS = 21600000; // six hours in milliseconds
    private static DateFormat DATE_SHORT_FORMAT = null;

    static {
        // getBestTimePattern() is only available in API 18 and up (Android 4.3 and better)
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
            DATE_SHORT_FORMAT = new SimpleDateFormat(android.text.format.DateFormat.getBestDateTimePattern(MainApplication.getContext().getResources().getConfiguration().locale, "d MMM"));
        } else {
            DATE_SHORT_FORMAT = android.text.format.DateFormat.getDateFormat(MainApplication.getContext());
        }
    }

    static public String getDateTimeString(long timestamp) {
        String outString;

        Date date = new Date(timestamp);
        Calendar calTimestamp = Calendar.getInstance();
        calTimestamp.setTimeInMillis(timestamp);
        Calendar calCurrent = Calendar.getInstance();

        if (calCurrent.getTimeInMillis() - timestamp < SIX_HOURS || calCurrent.get(Calendar.DAY_OF_MONTH) == calTimestamp.get(Calendar.DAY_OF_MONTH)) {
            outString = TIME_FORMAT.format(date);
        } else {
            outString = DATE_SHORT_FORMAT.format(date) + ' ' + TIME_FORMAT.format(date);
        }

        return outString;
    }

    public static String getMd5(String input) {
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            byte[] messageDigest = md.digest(input.getBytes());
            BigInteger number = new BigInteger(1, messageDigest);
            return number.toString(16);
        } catch (NoSuchAlgorithmException e) {
            return null;
        }
    }
}

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