001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018 package org.apache.geronimo.util.asn1.x509;
019
020 import org.apache.geronimo.util.asn1.ASN1Encodable;
021 import org.apache.geronimo.util.asn1.ASN1EncodableVector;
022 import org.apache.geronimo.util.asn1.ASN1Sequence;
023 import org.apache.geronimo.util.asn1.DERObject;
024 import org.apache.geronimo.util.asn1.DERSequence;
025
026 /**
027 * <code>UserNotice</code> class, used in
028 * <code>CertificatePolicies</code> X509 extensions (in policy
029 * qualifiers).
030 * <pre>
031 * UserNotice ::= SEQUENCE {
032 * noticeRef NoticeReference OPTIONAL,
033 * explicitText DisplayText OPTIONAL}
034 *
035 * </pre>
036 *
037 * @see PolicyQualifierId
038 * @see PolicyInformation
039 */
040 public class UserNotice
041 extends ASN1Encodable
042 {
043 NoticeReference noticeRef;
044 DisplayText explicitText;
045
046 /**
047 * Creates a new <code>UserNotice</code> instance.
048 *
049 * @param noticeRef a <code>NoticeReference</code> value
050 * @param explicitText a <code>DisplayText</code> value
051 */
052 public UserNotice(
053 NoticeReference noticeRef,
054 DisplayText explicitText)
055 {
056 this.noticeRef = noticeRef;
057 this.explicitText = explicitText;
058 }
059
060 /**
061 * Creates a new <code>UserNotice</code> instance.
062 *
063 * @param noticeRef a <code>NoticeReference</code> value
064 * @param str the explicitText field as a String.
065 */
066 public UserNotice(
067 NoticeReference noticeRef,
068 String str)
069 {
070 this.noticeRef = noticeRef;
071 this.explicitText = new DisplayText(str);
072 }
073
074 /**
075 * Creates a new <code>UserNotice</code> instance.
076 * <p>Useful from reconstructing a <code>UserNotice</code> instance
077 * from its encodable/encoded form.
078 *
079 * @param as an <code>ASN1Sequence</code> value obtained from either
080 * calling @{link toASN1Object()} for a <code>UserNotice</code>
081 * instance or from parsing it from a DER-encoded stream.
082 */
083 public UserNotice(
084 ASN1Sequence as)
085 {
086 if (as.size() == 2)
087 {
088 noticeRef = NoticeReference.getInstance(as.getObjectAt(0));
089 explicitText = DisplayText.getInstance(as.getObjectAt(1));
090 }
091 else if (as.size() == 1)
092 {
093 if (as.getObjectAt(0).getDERObject() instanceof ASN1Sequence)
094 {
095 noticeRef = NoticeReference.getInstance(as.getObjectAt(0));
096 }
097 else
098 {
099 explicitText = DisplayText.getInstance(as.getObjectAt(0));
100 }
101 }
102 }
103
104 public DERObject toASN1Object()
105 {
106 ASN1EncodableVector av = new ASN1EncodableVector();
107
108 if (noticeRef != null)
109 {
110 av.add(noticeRef);
111 }
112
113 if (explicitText != null)
114 {
115 av.add(explicitText);
116 }
117
118 return new DERSequence(av);
119 }
120 }