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.jwk; 018 019import org.forgerock.json.JsonException; 020 021/** 022 * Enum representing the possible KeyTypes. 023 */ 024public enum KeyType { 025 /** 026 * RSA key. 027 */ 028 RSA("RSA"), 029 030 /** 031 * Elliptical Curve Key. 032 */ 033 EC("EC"), 034 035 /** 036 * Octet Key. 037 */ 038 OCT("oct"); 039 040 /** 041 * The value of the KeyType. 042 */ 043 private String value = null; 044 045 /** 046 * Construct a KeyType. 047 * @param value value to give that keytype 048 */ 049 private KeyType(String value) { 050 this.value = value; 051 } 052 053 /** 054 * Get the value of the KeyType. 055 * @return the value of the KeyType 056 */ 057 public String value() { 058 return toString(); 059 } 060 061 /** 062 * Get the KeyType given a string. 063 * @param keyType string representing the KeyType 064 * @return a KeyType or null if given null KeyType 065 */ 066 public static KeyType getKeyType(String keyType) { 067 if (keyType == null || keyType.isEmpty()) { 068 return null; 069 } 070 try { 071 return KeyType.valueOf(keyType.toUpperCase()); 072 } catch (IllegalArgumentException e) { 073 throw new JsonException("Invalid key type"); 074 } 075 } 076 077 /** 078 * Gets the value of the KeyType. 079 * @return value of the KeyType 080 */ 081 @Override 082 public String toString() { 083 return value; 084 } 085}