Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

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

public class Main {
    public static String hashkeyForDisk(String url) {
        try {
            final MessageDigest digest = MessageDigest.getInstance("MD5");
            digest.update(url.getBytes());
            return bytesToHexString(digest.digest());
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return String.valueOf(url.hashCode());
        }
    }

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