001/* 002 * The contents of this file are subject to the terms of the Common Development and 003 * Distribution License (the License). You may not use this file except in compliance with the 004 * License. 005 * 006 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the 007 * specific language governing permission and limitations under the License. 008 * 009 * When distributing Covered Software, include this CDDL Header Notice in each file and include 010 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL 011 * Header, with the fields enclosed by brackets [] replaced by your own identifying 012 * information: "Portions copyright [year] [name of copyright owner]". 013 * 014 * Copyright 2013-2015 ForgeRock AS. 015 */ 016 017package org.forgerock.json.jose.jwe; 018 019/** 020 * An Enum of the possible compression algorithms that can be applied to the JWE payload plaintext. 021 * <p> 022 * @see <a href="http://tools.ietf.org/html/draft-ietf-jose-json-web-encryption-11#section-4.1.4"> 023 * JWE Compression Algorithm</a> 024 * 025 * @since 2.0.0 026 */ 027public enum CompressionAlgorithm { 028 029 /** When no compression is applied. */ 030 NONE, 031 /** 032 * A lossless compressed data format that compresses data using a combination of the LZ77 algorithm and Huffman 033 * coding. 034 */ 035 DEF; 036 037 /** 038 * Parses the given algorithm string to find the matching CompressionAlgorithm enum constant. 039 * 040 * @param algorithm The compression algorithm. 041 * @return The CompressionAlgorithm enum. 042 */ 043 public static CompressionAlgorithm parseAlgorithm(String algorithm) { 044 try { 045 return CompressionAlgorithm.valueOf(algorithm.toUpperCase()); 046 } catch (IllegalArgumentException e) { 047 return NONE; 048 } 049 } 050 051}