1b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallampackage org.bouncycastle.asn1.pkcs; 2b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 3b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport java.util.Enumeration; 4b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 5b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport org.bouncycastle.asn1.ASN1Encodable; 6b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport org.bouncycastle.asn1.ASN1EncodableVector; 7b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport org.bouncycastle.asn1.ASN1Sequence; 8b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport org.bouncycastle.asn1.BERSequence; 9b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport org.bouncycastle.asn1.BERTaggedObject; 10b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport org.bouncycastle.asn1.DEREncodable; 11b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport org.bouncycastle.asn1.DERObject; 12b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport org.bouncycastle.asn1.DERObjectIdentifier; 13b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport org.bouncycastle.asn1.DERTaggedObject; 14b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 15b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallampublic class ContentInfo 16b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam extends ASN1Encodable 17b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam implements PKCSObjectIdentifiers 18b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam{ 19b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam private DERObjectIdentifier contentType; 20b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam private DEREncodable content; 21b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 22b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public static ContentInfo getInstance( 23b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam Object obj) 24b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 25b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam if (obj instanceof ContentInfo) 26b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 27b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return (ContentInfo)obj; 28b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 29b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam else if (obj instanceof ASN1Sequence) 30b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 31b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return new ContentInfo((ASN1Sequence)obj); 32b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 33b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 34c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom throw new IllegalArgumentException("unknown object in factory: " + obj.getClass().getName()); 35b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 36b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 37b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public ContentInfo( 38b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam ASN1Sequence seq) 39b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 40b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam Enumeration e = seq.getObjects(); 41b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 42b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam contentType = (DERObjectIdentifier)e.nextElement(); 43b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 44b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam if (e.hasMoreElements()) 45b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 46b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam content = ((DERTaggedObject)e.nextElement()).getObject(); 47b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 48b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 49b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 50b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public ContentInfo( 51b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam DERObjectIdentifier contentType, 52b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam DEREncodable content) 53b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 54b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam this.contentType = contentType; 55b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam this.content = content; 56b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 57b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 58b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public DERObjectIdentifier getContentType() 59b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 60b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return contentType; 61b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 62b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 63b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public DEREncodable getContent() 64b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 65b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return content; 66b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 67b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 68b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam /** 69b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * Produce an object suitable for an ASN1OutputStream. 70b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * <pre> 71b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * ContentInfo ::= SEQUENCE { 72b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * contentType ContentType, 73b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * content 74b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL } 75b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * </pre> 76b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 77b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public DERObject toASN1Object() 78b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 79b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam ASN1EncodableVector v = new ASN1EncodableVector(); 80b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 81b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam v.add(contentType); 82b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 83b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam if (content != null) 84b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 85b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam v.add(new BERTaggedObject(0, content)); 86b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 87b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 88b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return new BERSequence(v); 89b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 90b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam} 91