org.apache.directory.shared.ldap.codec.controls.search.entryChange
Class EntryChangeDecorator

java.lang.Object
  org.apache.directory.shared.asn1.AbstractAsn1Object
      org.apache.directory.shared.ldap.codec.controls.ControlDecorator<EntryChange>
          org.apache.directory.shared.ldap.codec.controls.search.entryChange.EntryChangeDecorator

All Implemented Interfaces:

Asn1Object, CodecControl<EntryChange>, Decorator<EntryChange>, Control, EntryChange

public class EntryChangeDecorator
extends ControlDecorator<EntryChange>
implements EntryChange

An EntryChange implementation, that wraps and decorates the Control with codec specific functionality.

Author:

Apache Directory Project

Field Summary

static int

UNDEFINED_CHANGE_NUMBER

Fields inherited from class org.apache.directory.shared.ldap.codec.controls.ControlDecorator

value, valueLength

Fields inherited from interface org.apache.directory.shared.ldap.model.message.controls.EntryChange

OID

Constructor Summary

EntryChangeDecorator(LdapCodecService codec)
Creates a new instance of EntryChangeDecoder wrapping a newly created EntryChange Control object.

EntryChangeDecorator(LdapCodecService codec, EntryChange control)
Creates a new instance of EntryChangeDecorator wrapping the supplied EntryChange Control.

Method Summary

int	computeLength() Compute the EntryChangeControl length 0x30 L1 | +--> 0x0A 0x0(1-4) [1|2|4|8] (changeType) [+--> 0x04 L2 previousDN] [+--> 0x02 0x0(1-4) [0..2^63-1] (changeNumber)]
Asn1Object	decode(byte[] controlBytes) Decodes raw ASN.1 encoded bytes into an Asn1Object for the control.
ByteBuffer	encode(ByteBuffer buffer) Encodes the entry change control.
long	getChangeNumber()
ChangeType	getChangeType()
Dn	getPreviousDn()
byte[]	getValue() Get the control value
void	setChangeNumber(long changeNumber)
void	setChangeType(ChangeType changeType)
void	setPreviousDn(Dn previousDn)

Methods inherited from class org.apache.directory.shared.ldap.codec.controls.ControlDecorator

equals, getCodecService, getDecorated, getOid, hashCode, hasValue, isCritical, setCritical, setDecorated, setValue, toString

Methods inherited from class org.apache.directory.shared.asn1.AbstractAsn1Object

addLength, getCurrentLength, getExpectedLength, getParent, getTlvId, setCurrentLength, setExpectedLength, setParent

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.directory.shared.ldap.model.message.Control

getOid, isCritical, setCritical

Field Detail

UNDEFINED_CHANGE_NUMBER

public static final int UNDEFINED_CHANGE_NUMBER

See Also:

Constant Field Values

Constructor Detail

EntryChangeDecorator

public EntryChangeDecorator(LdapCodecService codec)

Creates a new instance of EntryChangeDecoder wrapping a newly created EntryChange Control object.

EntryChangeDecorator

public EntryChangeDecorator(LdapCodecService codec,
                            EntryChange control)

Creates a new instance of EntryChangeDecorator wrapping the supplied EntryChange Control.

Parameters:

control - The EntryChange Control to be decorated.

Method Detail

computeLength

public int computeLength()

Compute the EntryChangeControl length 0x30 L1 | +--> 0x0A 0x0(1-4) [1|2|4|8] (changeType) [+--> 0x04 L2 previousDN] [+--> 0x02 0x0(1-4) [0..2^63-1] (changeNumber)]

Specified by:

computeLength in interface Asn1Object

Specified by:

computeLength in interface Decorator<EntryChange>

Overrides:

computeLength in class ControlDecorator<EntryChange>

Returns:

The object's computed length

encode

public ByteBuffer encode(ByteBuffer buffer)
                  throws EncoderException

Encodes the entry change control.

Specified by:

encode in interface Asn1Object

Specified by:

encode in interface Decorator<EntryChange>

Overrides:

encode in class AbstractAsn1Object

Parameters:

buffer - The encoded sink

Returns:

A ByteBuffer that contains the encoded PDU

Throws:

EncoderException - If anything goes wrong.

getValue

public byte[] getValue()

Get the control value

Specified by:

getValue in interface CodecControl<EntryChange>

Overrides:

getValue in class ControlDecorator<EntryChange>

Returns:

The control value

getChangeType

public ChangeType getChangeType()

Specified by:

getChangeType in interface EntryChange

setChangeType

public void setChangeType(ChangeType changeType)

Specified by:

setChangeType in interface EntryChange

getPreviousDn

public Dn getPreviousDn()

Specified by:

getPreviousDn in interface EntryChange

setPreviousDn

public void setPreviousDn(Dn previousDn)

Specified by:

setPreviousDn in interface EntryChange

getChangeNumber

public long getChangeNumber()

Specified by:

getChangeNumber in interface EntryChange

setChangeNumber

public void setChangeNumber(long changeNumber)

Specified by:

setChangeNumber in interface EntryChange

decode

public Asn1Object decode(byte[] controlBytes)
                  throws DecoderException

Decodes raw ASN.1 encoded bytes into an Asn1Object for the control.

Specified by:

decode in interface CodecControl<EntryChange>

Parameters:

controlBytes - the encoded control bytes

Returns:

the decoded Asn1Object for the control

Throws:

DecoderException - if anything goes wrong