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java.lang.Objectcom.unboundid.asn1.ASN1Element
com.unboundid.asn1.ASN1Null
@NotMutable @ThreadSafety(level=COMPLETELY_THREADSAFE) public final class ASN1Null
This class provides an ASN.1 null element, which does not hold a value. Null elements are generally used as placeholders that can be substituted for other types of elements.
Field Summary | |
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static ASN1Null |
UNIVERSAL_NULL_ELEMENT
A pre-allocated ASN.1 null element with the universal null BER type. |
Constructor Summary | |
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ASN1Null()
Creates a new ASN.1 null element with the default BER type. |
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ASN1Null(byte type)
Creates a new ASN.1 null element with the specified BER type. |
Method Summary | |
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static ASN1Null |
decodeAsNull(ASN1Element element)
Decodes the provided ASN.1 element as a null element. |
static ASN1Null |
decodeAsNull(byte[] elementBytes)
Decodes the contents of the provided byte array as a null element. |
void |
toString(java.lang.StringBuilder buffer)
Appends a string representation of this ASN.1 element to the provided buffer. |
Methods inherited from class com.unboundid.asn1.ASN1Element |
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decode, decodeAsBoolean, decodeAsEnumerated, decodeAsInteger, decodeAsLong, decodeAsNull, decodeAsOctetString, decodeAsSequence, decodeAsSet, encode, encodeLength, encodeTo, equals, equalsIgnoreType, getType, getValue, getValueLength, hashCode, readFrom, readFrom, toString, writeTo |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final ASN1Null UNIVERSAL_NULL_ELEMENT
Constructor Detail |
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public ASN1Null()
public ASN1Null(byte type)
type
- The BER type to use for this ASN.1 null element.Method Detail |
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public static ASN1Null decodeAsNull(byte[] elementBytes) throws ASN1Exception
elementBytes
- The byte array to decode as an ASN.1 null element.
ASN1Exception
- If the provided array cannot be decoded as a null
element.public static ASN1Null decodeAsNull(ASN1Element element) throws ASN1Exception
element
- The ASN.1 element to be decoded.
ASN1Exception
- If the provided element cannot be decoded as a null
element.public void toString(java.lang.StringBuilder buffer)
toString
in class ASN1Element
buffer
- The buffer to which to append the information.
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