Coverage Summary for Class: StandardByteDigesterPool (com.acciente.oacc.encryptor.jasypt)
| Class | Class, % | Method, % | Line, % |
|---|---|---|---|
| StandardByteDigesterPool | 100% (1/ 1) | 100% (4/ 4) | 100% (19/ 19) |
1 /*
2 * Copyright 2009-2017, Acciente LLC
3 *
4 * Acciente LLC licenses this file to you under the
5 * Apache License, Version 2.0 (the "License"); you
6 * may not use this file except in compliance with the
7 * License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in
12 * writing, software distributed under the License is
13 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
14 * OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing
16 * permissions and limitations under the License.
17 */
18 package com.acciente.oacc.encryptor.jasypt;
19
20 import org.jasypt.digest.StandardByteDigester;
21
22 import java.util.Map;
23 import java.util.concurrent.ConcurrentHashMap;
24
25 /**
26 * Keeps a pool of Jasypt digester instances, there is one instance in the pool per unique digester configuration.
27 */
28 class StandardByteDigesterPool {
29 private final Map<String, Map<Integer, Map<Integer, StandardByteDigester>>> algorithmMap = new ConcurrentHashMap<>();
30
31 public StandardByteDigester getStandardByteDigester(String algorithm, int iterations, int saltSizeBytes) {
32 final Map<Integer, StandardByteDigester> saltSizeBytesMap = getInnerMap(getInnerMap(algorithmMap, algorithm), iterations);
33
34 StandardByteDigester standardByteDigester = saltSizeBytesMap.get(saltSizeBytes);
35 if (standardByteDigester == null) {
36 standardByteDigester = newStandardByteDigester(algorithm, iterations, saltSizeBytes);
37 saltSizeBytesMap.put(saltSizeBytes, standardByteDigester);
38 }
39
40 return standardByteDigester;
41 }
42
43 private static <K, IK, IV> Map<IK, IV> getInnerMap(Map<K, Map<IK, IV>> outerMap, K outerKey) {
44 Map<IK, IV> innerMap = outerMap.get(outerKey);
45 if (innerMap == null) {
46 innerMap = new ConcurrentHashMap<>();
47 outerMap.put(outerKey, innerMap);
48 }
49 return innerMap;
50 }
51
52 private static StandardByteDigester newStandardByteDigester(String algorithm, int iterations, int saltSizeBytes) {
53 final StandardByteDigester standardByteDigester = new StandardByteDigester();
54 standardByteDigester.setAlgorithm(algorithm);
55 standardByteDigester.setIterations(iterations);
56 standardByteDigester.setSaltSizeBytes(saltSizeBytes);
57 standardByteDigester.initialize();
58 return standardByteDigester;
59 }
60 }