Java MD5 md5(File f)

Description

md

License

Apache License

Declaration

static public String md5(File f) throws IOException 

Method Source Code

//package com.java2s;
/*/*w  w  w .ja  va2s.c o m*/
 * Copyright 2015 Fizzed Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.File;
import java.io.IOException;

import java.nio.file.Files;

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

import javax.xml.bind.DatatypeConverter;

public class Main {
    static public String md5(File f) throws IOException {
        try {
            byte[] b = Files.readAllBytes(f.toPath());
            byte[] hash = MessageDigest.getInstance("MD5").digest(b);
            return DatatypeConverter.printHexBinary(hash);
        } catch (NoSuchAlgorithmException e) {
            throw new IOException(e.getMessage(), e);
        }
    }
}

Related

1. getMD5Prefix()
2. getMd5Script(String dstFilePath)
3. inputStreamMD5(InputStream entity)
4. isEtagAlsoAnMD5Hash(String etag)
5. looksLikeValidMd5(String possibleMd5)
6. md5(final String text)
7. md5(final String... tokens)
8. md5(String source)
9. md5(String toDigest)