1 /** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one or more 4 * contributor license agreements. See the NOTICE file distributed with 5 * this work for additional information regarding copyright ownership. 6 * The ASF licenses this file to You under the Apache License, Version 2.0 7 * (the "License"); you may not use this file except in compliance with 8 * the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.apache.geronimo.util.asn1.x509; 20 21 import org.apache.geronimo.util.asn1.ASN1Encodable; 22 import org.apache.geronimo.util.asn1.ASN1EncodableVector; 23 import org.apache.geronimo.util.asn1.ASN1Sequence; 24 import org.apache.geronimo.util.asn1.ASN1TaggedObject; 25 import org.apache.geronimo.util.asn1.DERObject; 26 import org.apache.geronimo.util.asn1.DERSequence; 27 import org.apache.geronimo.util.asn1.DERTaggedObject; 28 29 /** 30 * The Holder object. 31 * <pre> 32 * Holder ::= SEQUENCE { 33 * baseCertificateID [0] IssuerSerial OPTIONAL, 34 * -- the issuer and serial number of 35 * -- the holder's Public Key Certificate 36 * entityName [1] GeneralNames OPTIONAL, 37 * -- the name of the claimant or role 38 * objectDigestInfo [2] ObjectDigestInfo OPTIONAL 39 * -- used to directly authenticate the holder, 40 * -- for example, an executable 41 * } 42 * </pre> 43 */ 44 public class Holder 45 extends ASN1Encodable 46 { 47 IssuerSerial baseCertificateID; 48 GeneralNames entityName; 49 ObjectDigestInfo objectDigestInfo; 50 51 public static Holder getInstance( 52 Object obj) 53 { 54 if (obj instanceof Holder) 55 { 56 return (Holder)obj; 57 } 58 else if (obj instanceof ASN1Sequence) 59 { 60 return new Holder((ASN1Sequence)obj); 61 } 62 63 throw new IllegalArgumentException("unknown object in factory"); 64 } 65 66 public Holder( 67 ASN1Sequence seq) 68 { 69 for (int i = 0; i != seq.size(); i++) 70 { 71 ASN1TaggedObject tObj = (ASN1TaggedObject)seq.getObjectAt(i); 72 73 switch (tObj.getTagNo()) 74 { 75 case 0: 76 baseCertificateID = IssuerSerial.getInstance(tObj, false); 77 break; 78 case 1: 79 entityName = GeneralNames.getInstance(tObj, false); 80 break; 81 case 2: 82 objectDigestInfo = ObjectDigestInfo.getInstance(tObj, false); 83 break; 84 default: 85 throw new IllegalArgumentException("unknown tag in Holder"); 86 } 87 } 88 } 89 90 public Holder( 91 IssuerSerial baseCertificateID) 92 { 93 this.baseCertificateID = baseCertificateID; 94 } 95 96 public Holder( 97 GeneralNames entityName) 98 { 99 this.entityName = entityName; 100 } 101 102 public IssuerSerial getBaseCertificateID() 103 { 104 return baseCertificateID; 105 } 106 107 public GeneralNames getEntityName() 108 { 109 return entityName; 110 } 111 112 public ObjectDigestInfo getObjectDigestInfo() 113 { 114 return objectDigestInfo; 115 } 116 117 public DERObject toASN1Object() 118 { 119 ASN1EncodableVector v = new ASN1EncodableVector(); 120 121 if (baseCertificateID != null) 122 { 123 v.add(new DERTaggedObject(false, 0, baseCertificateID)); 124 } 125 126 if (entityName != null) 127 { 128 v.add(new DERTaggedObject(false, 1, entityName)); 129 } 130 131 if (objectDigestInfo != null) 132 { 133 v.add(new DERTaggedObject(false, 2, objectDigestInfo)); 134 } 135 136 return new DERSequence(v); 137 } 138 }