1 /*
2 * Copyright 2005 The Apache Software Foundation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 */
17
18 package org.apache.asn1.der;
19
20 /**
21 * DER Boolean object.
22 */
23 public class DERBoolean extends DERObject
24 {
25 private static final byte[] trueArray = { (byte)0xff };
26 private static final byte[] falseArray = { (byte)0x00 };
27
28 public static final DERBoolean TRUE = new DERBoolean( trueArray );
29 public static final DERBoolean FALSE = new DERBoolean( falseArray );
30
31 /**
32 * Basic DERObject constructor.
33 */
34 public DERBoolean( byte[] value )
35 {
36 super( BOOLEAN, value );
37 }
38
39 /**
40 * Static factory method, type-conversion operator.
41 */
42 public static DERBoolean valueOf( boolean value )
43 {
44 return ( value ? TRUE : FALSE );
45 }
46
47 /**
48 * Lazy accessor
49 * @return boolean value
50 */
51 public boolean isTrue()
52 {
53 return value[ 0 ] == (byte)0xff;
54 }
55 }
56