1b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallampackage org.bouncycastle.asn1; 2b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 3b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallamimport java.io.IOException; 4b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 5b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam/** 6b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * DER VisibleString object. 7b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 8b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallampublic class DERVisibleString 9c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom extends ASN1Object 10b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam implements DERString 11b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam{ 12b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam String string; 13b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 14b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam /** 15b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * return a Visible String from the passed in object. 16b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * 17b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * @exception IllegalArgumentException if the object cannot be converted. 18b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 19b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public static DERVisibleString getInstance( 20b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam Object obj) 21b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 22b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam if (obj == null || obj instanceof DERVisibleString) 23b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 24b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return (DERVisibleString)obj; 25b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 26b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 27b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam if (obj instanceof ASN1OctetString) 28b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 29b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return new DERVisibleString(((ASN1OctetString)obj).getOctets()); 30b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 31b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 32b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam if (obj instanceof ASN1TaggedObject) 33b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 34b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return getInstance(((ASN1TaggedObject)obj).getObject()); 35b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 36b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 37b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName()); 38b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 39b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 40b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam /** 41b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * return a Visible String from a tagged object. 42b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * 43b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * @param obj the tagged object holding the object we want 44b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * @param explicit true if the object is meant to be explicitly 45b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * tagged false otherwise. 46b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * @exception IllegalArgumentException if the tagged object cannot 47b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * be converted. 48b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 49b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public static DERVisibleString getInstance( 50b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam ASN1TaggedObject obj, 51b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam boolean explicit) 52b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 53b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return getInstance(obj.getObject()); 54b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 55b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 56b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam /** 57b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * basic constructor - byte encoded string. 58b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 59b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public DERVisibleString( 60b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam byte[] string) 61b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 62b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam char[] cs = new char[string.length]; 63b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 64b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam for (int i = 0; i != cs.length; i++) 65b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 66b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam cs[i] = (char)(string[i] & 0xff); 67b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 68b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 69b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam this.string = new String(cs); 70b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 71b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 72b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam /** 73b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam * basic constructor 74b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam */ 75b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public DERVisibleString( 76b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam String string) 77b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 78b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam this.string = string; 79b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 80b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 81b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public String getString() 82b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 83b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return string; 84b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 85b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 86c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom public String toString() 87c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom { 88c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom return string; 89c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom } 90c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom 91b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public byte[] getOctets() 92b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 93b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam char[] cs = string.toCharArray(); 94b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam byte[] bs = new byte[cs.length]; 95b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 96b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam for (int i = 0; i != cs.length; i++) 97b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 98b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam bs[i] = (byte)cs[i]; 99b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 100b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 101b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return bs; 102b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 103b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 104b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam void encode( 105b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam DEROutputStream out) 106b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam throws IOException 107b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 108b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam out.writeEncoded(VISIBLE_STRING, this.getOctets()); 109b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 110b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 111c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom boolean asn1Equals( 112c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom DERObject o) 113b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 114c37f4a04ef89e73a39a59f3c5a179af8c8ab5974Brian Carlstrom if (!(o instanceof DERVisibleString)) 115b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 116b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return false; 117b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 118b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 119b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return this.getString().equals(((DERVisibleString)o).getString()); 120b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 121b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam 122b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam public int hashCode() 123b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam { 124b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam return this.getString().hashCode(); 125b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam } 126b61a96e7ef1a78acf013bbf08fe537e5b5f129caPeter Hallam} 127