Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;

public class Main {
    public static String md5(String string) {
        if (string == null || string.trim().length() < 1) {
            return null;
        }
        try {
            return getMD5(string.getBytes("UTF-8"));
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }

    private static String getMD5(byte[] source) {
        try {
            MessageDigest md5 = MessageDigest.getInstance("MD5");
            StringBuffer result = new StringBuffer();
            for (byte b : md5.digest(source)) {
                result.append(Integer.toHexString((b & 0xf0) >>> 4));
                result.append(Integer.toHexString(b & 0x0f));
            }
            return result.toString();
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }
}