blob: 42c8893b1bcc752be24fcf54dc12016ea38bb096 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 European Software Marketing Ltd.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.babel.xml.generator.data;
import java.util.Base64;
import org.apache.commons.codec.digest.DigestUtils;
/** Utility method class for artifact generation. */
public final class GeneratorUtil {
/*
* Private constructor to prevent instantiation
*/
private GeneratorUtil() {}
/**
* Decodes Base64 encode byte array input.
*
* @param input Base64 encoded byte array
* @return Decoded byte array
*/
public static byte[] decode(byte[] input) {
return input != null ? Base64.getDecoder().decode(input) : new byte[0];
}
/**
* Encode a byte array input using Base64 encoding.
*
* @param input Input byte array to be encoded
* @return Base64 encoded byte array
*/
public static byte[] encode(byte[] input) {
return input != null ? Base64.getEncoder().encode(input) : new byte[0];
}
/**
* Calculate the checksum for a given input.
*
* @param input Byte array for which the checksum has to be calculated
* @return Calculated checksum of the input byte array
*/
public static String checkSum(byte[] input) {
return input != null ? DigestUtils.md5Hex(input).toUpperCase() : null;
}
}
|