1 package org.bouncycastle.asn1.x500; 2 3 import org.bouncycastle.asn1.ASN1Encodable; 4 import org.bouncycastle.asn1.ASN1EncodableVector; 5 import org.bouncycastle.asn1.ASN1Object; 6 import org.bouncycastle.asn1.ASN1ObjectIdentifier; 7 import org.bouncycastle.asn1.ASN1Primitive; 8 import org.bouncycastle.asn1.ASN1Set; 9 import org.bouncycastle.asn1.DERSequence; 10 import org.bouncycastle.asn1.DERSet; 11 12 /** 13 * Holding class for a single Relative Distinguished Name (RDN). 14 */ 15 public class RDN 16 extends ASN1Object 17 { 18 private ASN1Set values; 19 RDN(ASN1Set values)20 private RDN(ASN1Set values) 21 { 22 this.values = values; 23 } 24 getInstance(Object obj)25 public static RDN getInstance(Object obj) 26 { 27 if (obj instanceof RDN) 28 { 29 return (RDN)obj; 30 } 31 else if (obj != null) 32 { 33 return new RDN(ASN1Set.getInstance(obj)); 34 } 35 36 return null; 37 } 38 39 /** 40 * Create a single valued RDN. 41 * 42 * @param oid RDN type. 43 * @param value RDN value. 44 */ RDN(ASN1ObjectIdentifier oid, ASN1Encodable value)45 public RDN(ASN1ObjectIdentifier oid, ASN1Encodable value) 46 { 47 ASN1EncodableVector v = new ASN1EncodableVector(); 48 49 v.add(oid); 50 v.add(value); 51 52 this.values = new DERSet(new DERSequence(v)); 53 } 54 RDN(AttributeTypeAndValue attrTAndV)55 public RDN(AttributeTypeAndValue attrTAndV) 56 { 57 this.values = new DERSet(attrTAndV); 58 } 59 60 /** 61 * Create a multi-valued RDN. 62 * 63 * @param aAndVs attribute type/value pairs making up the RDN 64 */ RDN(AttributeTypeAndValue[] aAndVs)65 public RDN(AttributeTypeAndValue[] aAndVs) 66 { 67 this.values = new DERSet(aAndVs); 68 } 69 isMultiValued()70 public boolean isMultiValued() 71 { 72 return this.values.size() > 1; 73 } 74 75 /** 76 * Return the number of AttributeTypeAndValue objects in this RDN, 77 * 78 * @return size of RDN, greater than 1 if multi-valued. 79 */ size()80 public int size() 81 { 82 return this.values.size(); 83 } 84 getFirst()85 public AttributeTypeAndValue getFirst() 86 { 87 if (this.values.size() == 0) 88 { 89 return null; 90 } 91 92 return AttributeTypeAndValue.getInstance(this.values.getObjectAt(0)); 93 } 94 getTypesAndValues()95 public AttributeTypeAndValue[] getTypesAndValues() 96 { 97 AttributeTypeAndValue[] tmp = new AttributeTypeAndValue[values.size()]; 98 99 for (int i = 0; i != tmp.length; i++) 100 { 101 tmp[i] = AttributeTypeAndValue.getInstance(values.getObjectAt(i)); 102 } 103 104 return tmp; 105 } 106 107 /** 108 * <pre> 109 * RelativeDistinguishedName ::= 110 * SET OF AttributeTypeAndValue 111 * 112 * AttributeTypeAndValue ::= SEQUENCE { 113 * type AttributeType, 114 * value AttributeValue } 115 * </pre> 116 * @return this object as its ASN1Primitive type 117 */ toASN1Primitive()118 public ASN1Primitive toASN1Primitive() 119 { 120 return values; 121 } 122 } 123