org.ldaptive.asn1

Class AbstractDERType

java.lang.Object

org.ldaptive.asn1.AbstractDERType

Direct Known Subclasses:

AttributeValueAssertion, BooleanType, ConstructedDEREncoder, ContextType, IntegerType, NullType, OctetStringType, OidType, UuidType

public abstract class AbstractDERType
extends Object

Provides functionality common to DER types implementations.

Field Summary

Fields

Modifier and Type	Field and Description
private int	derTag Constructed tag.
private static int	SHORT_FORM_INT_LENGTH Length of short form integers.

Constructor Summary

Constructors

Constructor and Description
AbstractDERType(DERTag tag) Creates a new abstract der type.

Method Summary

Modifier and Type	Method and Description
protected byte[]	encode(byte[]... items) DER encode the supplied items with the tag associated with this type.
static byte[]	readBuffer(ByteBuffer encoded) Returns a byte array containing the bytes from Buffer.limit() to Buffer.position().

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SHORT_FORM_INT_LENGTH

private static final int SHORT_FORM_INT_LENGTH

Length of short form integers.

See Also:

Constant Field Values

derTag

private final int derTag

Constructed tag.

Constructor Detail

AbstractDERType

public AbstractDERType(DERTag tag)

Creates a new abstract der type.

Parameters:

tag - to encode for this type

Method Detail

encode

protected byte[] encode(byte[]... items)

DER encode the supplied items with the tag associated with this type. If the length is greater than 127 bytes the long form is always expressed using 4 bytes.

Parameters:

items - to encode

Returns:

DER encoded items

readBuffer

public static byte[] readBuffer(ByteBuffer encoded)

Returns a byte array containing the bytes from Buffer.limit() to Buffer.position().

Parameters:

encoded - to read bytes from

Returns:

bytes