diff options
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/asn1/ASN1Null.java')
| -rw-r--r-- | bcprov/src/main/java/org/bouncycastle/asn1/ASN1Null.java | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/asn1/ASN1Null.java b/bcprov/src/main/java/org/bouncycastle/asn1/ASN1Null.java index 84814c5..f1098e7 100644 --- a/bcprov/src/main/java/org/bouncycastle/asn1/ASN1Null.java +++ b/bcprov/src/main/java/org/bouncycastle/asn1/ASN1Null.java @@ -3,20 +3,32 @@ package org.bouncycastle.asn1; import java.io.IOException; /** - * A NULL object. + * A NULL object - use DERNull.INSTANCE for populating structures. */ public abstract class ASN1Null extends ASN1Primitive { - /** - * @deprecated use DERNull.INSTANCE - */ - // BEGIN android-changed + // BEGIN android-added /*package*/ ASN1Null() { } - // END android-changed + // END android-added + /** + * Return an instance of ASN.1 NULL from the passed in object. + * <p> + * Accepted inputs: + * <ul> + * <li> null → null + * <li> {@link ASN1Null} object + * <li> a byte[] containing ASN.1 NULL object + * </ul> + * </p> + * + * @param o object to be converted. + * @return an instance of ASN1Null, or null. + * @exception IllegalArgumentException if the object cannot be converted. + */ public static ASN1Null getInstance(Object o) { if (o instanceof ASN1Null) |