001/* 002 * jPOS Project [http://jpos.org] 003 * Copyright (C) 2000-2026 jPOS Software SRL 004 * 005 * This program is free software: you can redistribute it and/or modify 006 * it under the terms of the GNU Affero General Public License as 007 * published by the Free Software Foundation, either version 3 of the 008 * License, or (at your option) any later version. 009 * 010 * This program is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 013 * GNU Affero General Public License for more details. 014 * 015 * You should have received a copy of the GNU Affero General Public License 016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 017 */ 018 019package org.jpos.tlv; 020 021public enum TLVClass { 022 UNIVERSAL(0), 023 APPLICATION(1 << 6), 024 CONTEXT_SPECIFIC(2 << 6), 025 PRIVATE(3 << 6); 026 027 int value; 028 029 TLVClass(int value) { 030 this.value = value; 031 } 032 033 public static TLVClass valueOf (byte firstByte) { 034 int i = (int) firstByte & 0xC0; 035 for (TLVClass c : values()) { 036 if (c.value == i) 037 return c; 038 } 039 return UNIVERSAL; 040 } 041}