1 /*
2 * The MIT License (MIT)
3 *
4 * Copyright (c) 2013-2026 The Coveralls Maven Plugin Project Contributors:
5 * https://github.com/hazendaz/coveralls-maven-plugin/graphs/contributors
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25 package org.eluder.coveralls.maven.plugin.util;
26
27 import java.io.InputStream;
28 import java.security.DigestInputStream;
29 import java.security.MessageDigest;
30 import java.security.NoSuchAlgorithmException;
31
32 import org.apache.commons.codec.binary.Hex;
33
34 /**
35 * The Class Sha512DigestInputStream.
36 */
37 public class Sha512DigestInputStream extends DigestInputStream {
38
39 /**
40 * Instantiates a new sha 512 digest input stream.
41 *
42 * @param stream
43 * the stream
44 */
45 public Sha512DigestInputStream(final InputStream stream) {
46 super(stream, Sha512DigestInputStream.getSha512Digest());
47 }
48
49 /**
50 * Gets the sha 512 digest.
51 *
52 * @return the sha 512 digest
53 */
54 private static MessageDigest getSha512Digest() {
55 try {
56 return MessageDigest.getInstance("SHA-512");
57 } catch (final NoSuchAlgorithmException e) {
58 // SHA-512 is guaranteed to be available in all Java SE implementations
59 throw new AssertionError("SHA-512 algorithm not available", e);
60 }
61 }
62
63 /**
64 * Gets the digest hex.
65 * <p>
66 * <b>Note:</b> Calling this method will finalize and reset the digest. Subsequent calls will return the digest of
67 * an empty stream unless the stream is re-read. This is standard behavior for {@link MessageDigest#digest()}.
68 *
69 * @return the digest hex
70 */
71 public String getDigestHex() {
72 return Hex.encodeHexString(this.getMessageDigest().digest(), false);
73 }
74 }