Java MD5 String md5(String d)

Description

md

License

Open Source License

Declaration

public static String md5(String d) 

Method Source Code

//package com.java2s;
/*//w  w w  . j  a va 2s  . c o m
 * Copyright (C) ${year} Omry Yadan <${email}>
 * All rights reserved.
 *
 * See https://github.com/omry/banana/blob/master/BSD-LICENSE for licensing information
 */

import java.math.BigInteger;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import java.util.*;

public class Main {
    public static String md5(String d) {
        return md5(d.getBytes());
    }

    public static String md5(byte[] b) {
        try {
            MessageDigest m = MessageDigest.getInstance("MD5");
            m.reset();
            m.update(b);
            byte[] digest = m.digest();
            BigInteger bigInt = new BigInteger(1, digest);
            String hashtext = bigInt.toString(16);
            // Now we need to zero pad it if you actually want the full 32
            // chars.
            while (hashtext.length() < 32) {
                hashtext = "0" + hashtext;
            }
            return hashtext;

        } catch (NoSuchAlgorithmException nsae) {
            return "ERROR";
        }

    }

    public static String toString(Collection<String> list) {
        return toString(list.toArray(new String[list.size()]));
    }

    public static String toString(Object array[]) {
        return toString(array, ",");
    }

    public static String toString(int array[]) {
        return toString(array, ",");
    }

    public static String toString(long array[]) {
        return toString(array, ",");
    }

    public static String toString(double[] array) {
        return toString(array, ",");
    }

    public static String toString(Object array[], String sep) {
        return toString(array, sep, 0, array.length);
    }

    public static String toString(Object array[], String sep, int start, int end) {
        StringBuffer sb = new StringBuffer();
        for (int i = start; i < end; i++) {
            if (i > start)
                sb.append(sep);
            sb.append(array[i]);
        }
        return sb.toString();
    }

    public static String toString(long array[], String sep) {
        return toString(array, sep, 0, array.length);
    }

    public static String toString(double array[], String sep) {
        return toString(array, sep, 0, array.length);
    }

    public static String toString(int array[], String sep) {
        return toString(array, sep, 0, array.length);
    }

    public static String toString(double array[], String sep, int start, int end) {
        StringBuffer sb = new StringBuffer();
        for (int i = start; i < end; i++) {
            if (i > 0)
                sb.append(sep);
            sb.append(array[i]);
        }
        return sb.toString();
    }

    public static String toString(long array[], String sep, int start, int end) {
        StringBuffer sb = new StringBuffer();
        for (int i = start; i < end; i++) {
            if (i > 0)
                sb.append(sep);
            sb.append(array[i]);
        }
        return sb.toString();
    }

    public static String toString(int array[], String sep, int start, int end) {
        StringBuffer sb = new StringBuffer();
        for (int i = start; i < end; i++) {
            if (i > 0)
                sb.append(sep);
            sb.append(array[i]);
        }
        return sb.toString();
    }
}

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