001 /**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one or more
004 * contributor license agreements. See the NOTICE file distributed with
005 * this work for additional information regarding copyright ownership.
006 * The ASF licenses this file to You under the Apache License, Version 2.0
007 * (the "License"); you may not use this file except in compliance with
008 * the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019 package org.apache.geronimo.util.asn1.x509;
020
021 import org.apache.geronimo.util.asn1.ASN1Encodable;
022 import org.apache.geronimo.util.asn1.ASN1EncodableVector;
023 import org.apache.geronimo.util.asn1.ASN1Sequence;
024 import org.apache.geronimo.util.asn1.DERBitString;
025 import org.apache.geronimo.util.asn1.DERObject;
026 import org.apache.geronimo.util.asn1.DERSequence;
027
028 public class AttributeCertificate
029 extends ASN1Encodable
030 {
031 AttributeCertificateInfo acinfo;
032 AlgorithmIdentifier signatureAlgorithm;
033 DERBitString signatureValue;
034
035 /**
036 * @param obj
037 * @return an AttributeCertificate object
038 */
039 public static AttributeCertificate getInstance(Object obj)
040 {
041 if (obj instanceof AttributeCertificate)
042 {
043 return (AttributeCertificate)obj;
044 }
045 else if (obj instanceof ASN1Sequence)
046 {
047 return new AttributeCertificate((ASN1Sequence)obj);
048 }
049
050 throw new IllegalArgumentException("unknown object in factory");
051 }
052
053 public AttributeCertificate(
054 AttributeCertificateInfo acinfo,
055 AlgorithmIdentifier signatureAlgorithm,
056 DERBitString signatureValue)
057 {
058 this.acinfo = acinfo;
059 this.signatureAlgorithm = signatureAlgorithm;
060 this.signatureValue = signatureValue;
061 }
062
063 public AttributeCertificate(
064 ASN1Sequence seq)
065 {
066 this.acinfo = AttributeCertificateInfo.getInstance(seq.getObjectAt(0));
067 this.signatureAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(1));
068 this.signatureValue = DERBitString.getInstance(seq.getObjectAt(2));
069 }
070
071 public AttributeCertificateInfo getAcinfo()
072 {
073 return acinfo;
074 }
075
076 public AlgorithmIdentifier getSignatureAlgorithm()
077 {
078 return signatureAlgorithm;
079 }
080
081 public DERBitString getSignatureValue()
082 {
083 return signatureValue;
084 }
085
086 /**
087 * Produce an object suitable for an ASN1OutputStream.
088 * <pre>
089 * AttributeCertificate ::= SEQUENCE {
090 * acinfo AttributeCertificateInfo,
091 * signatureAlgorithm AlgorithmIdentifier,
092 * signatureValue BIT STRING
093 * }
094 * </pre>
095 */
096 public DERObject toASN1Object()
097 {
098 ASN1EncodableVector v = new ASN1EncodableVector();
099
100 v.add(acinfo);
101 v.add(signatureAlgorithm);
102 v.add(signatureValue);
103
104 return new DERSequence(v);
105 }
106 }