Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    private static MessageDigest mDigest = null;

    public static String toMD5(String key) {
        String cacheKey;
        if (mDigest == null) {
            return String.valueOf(key.hashCode());
        }
        mDigest.update(key.getBytes());
        cacheKey = bytesToHexString(mDigest.digest());
        return cacheKey;
    }

    private static String bytesToHexString(byte[] bytes) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < bytes.length; i++) {
            String hex = Integer.toHexString(0xFF & bytes[i]);
            if (hex.length() == 1) {
                sb.append('0');
            }
            sb.append(hex);
        }
        return sb.toString();
    }
}