com.soento.core.util.Md5Util Maven / Gradle / Ivy

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package com.soento.core.util;

import org.apache.commons.codec.digest.DigestUtils;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;

/**
 * @author yantao.zeng
 */
public final class Md5Util {

    public static String encode(String input, Charset charset) {
        try {
            MessageDigest md5 = MessageDigest.getInstance("MD5");
            byte[] bytes = md5.digest(input.getBytes(charset));
            return HexUtil.bytes2Hex(bytes);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public static String encode(String input) {
        return encode(input, StandardCharsets.UTF_8);
    }

    public static boolean check(String input, Charset charset, String md5) {
        return encode(input, charset).equalsIgnoreCase(md5);
    }

    public static boolean check(String input, String md5) {
        return check(input, StandardCharsets.UTF_8, md5);
    }

    public static String encode(File file) {
        InputStream in = null;
        try {

            in = new FileInputStream(file);
            return DigestUtils.md5Hex(in);
        } catch (Exception e) {
            throw new RuntimeException(e);
        } finally {
            StreamUtil.close(in);
        }
    }

    public static boolean check(File file, String md5) {
        return encode(file).equalsIgnoreCase(md5);
    }
}