001 /* 002 * Copyright (c) 2000 - 2006 The Legion Of The Bouncy Castle (http://www.bouncycastle.org) 003 * 004 * Permission is hereby granted, free of charge, to any person obtaining a copy of this 005 * software and associated documentation files (the "Software"), to deal in the Software 006 * without restriction, including without limitation the rights to use, copy, modify, 007 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to 008 * permit persons to whom the Software is furnished to do so, subject to the following 009 * conditions: 010 * 011 * The above copyright notice and this permission notice shall be included in all copies 012 * or substantial portions of the Software. 013 * 014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 015 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 016 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 017 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 018 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 019 * DEALINGS IN THE SOFTWARE. 020 * 021 */ 022 023 package org.apache.directory.shared.asn1.der; 024 025 026 /** 027 * DER Boolean object. 028 */ 029 public class DERBoolean extends DERObject 030 { 031 private static final byte[] trueArray = 032 { ( byte ) 0xff }; 033 034 private static final byte[] falseArray = 035 { ( byte ) 0x00 }; 036 037 public static final DERBoolean TRUE = new DERBoolean( trueArray ); 038 039 public static final DERBoolean FALSE = new DERBoolean( falseArray ); 040 041 042 /** 043 * Basic DERObject constructor. 044 */ 045 public DERBoolean(byte[] value) 046 { 047 super( BOOLEAN, value ); 048 } 049 050 051 /** 052 * Static factory method, type-conversion operator. 053 */ 054 public static DERBoolean valueOf( boolean value ) 055 { 056 return ( value ? TRUE : FALSE ); 057 } 058 059 060 /** 061 * Lazy accessor 062 * 063 * @return boolean value 064 */ 065 public boolean isTrue() 066 { 067 return value[0] == ( byte ) 0xff; 068 } 069 }