1 /*
2 * The contents of this file are subject to the terms of the Common Development and
3 * Distribution License (the License). You may not use this file except in compliance with the
4 * License.
5 *
6 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
7 * specific language governing permission and limitations under the License.
8 *
9 * When distributing Covered Software, include this CDDL Header Notice in each file and include
10 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
11 * Header, with the fields enclosed by brackets [] replaced by your own identifying
12 * information: "Portions copyright [year] [name of copyright owner]".
13 *
14 * Copyright 2013-2015 ForgeRock AS.
15 */
16
17 package org.forgerock.json.jose.jwe;
18
19 /**
20 * An Enum of the possible compression algorithms that can be applied to the JWE payload plaintext.
21 * <p>
22 * @see <a href="http://tools.ietf.org/html/draft-ietf-jose-json-web-encryption-11#section-4.1.4">
23 * JWE Compression Algorithm</a>
24 *
25 * @since 2.0.0
26 */
27 public enum CompressionAlgorithm {
28
29 /** When no compression is applied. */
30 NONE,
31 /**
32 * A lossless compressed data format that compresses data using a combination of the LZ77 algorithm and Huffman
33 * coding.
34 */
35 DEF;
36
37 /**
38 * Parses the given algorithm string to find the matching CompressionAlgorithm enum constant.
39 *
40 * @param algorithm The compression algorithm.
41 * @return The CompressionAlgorithm enum.
42 */
43 public static CompressionAlgorithm parseAlgorithm(String algorithm) {
44 try {
45 return CompressionAlgorithm.valueOf(algorithm.toUpperCase());
46 } catch (IllegalArgumentException e) {
47 return NONE;
48 }
49 }
50
51 }