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Java Source Code / Java Documentation » 6.0 JDK Core » naming » javax.naming.ldap 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


javax.naming.ldap.Control

All known Subclasses:   javax.naming.ldap.BasicControl,
Control
public interface Control extends java.io.Serializable(Code)
This interface represents an LDAPv3 control as defined in RFC 2251.

The LDAPv3 protocol uses controls to send and receive additional data to affect the behavior of predefined operations. Controls can be sent along with any LDAP operation to the server. These are referred to as request controls. For example, a "sort" control can be sent with an LDAP search operation to request that the results be returned in a particular order. Solicited and unsolicited controls can also be returned with responses from the server. Such controls are referred to as response controls. For example, an LDAP server might define a special control to return change notifications.

This interface is used to represent both request and response controls.
author:
   Rosanna Lee
author:
   Scott Seligman
author:
   Vincent Ryan
version:
   1.15 07/05/05
See Also:   ControlFactory
since:
   1.3



Field Summary
final public static  booleanCRITICAL
     Indicates a critical control.
final public static  booleanNONCRITICAL
     Indicates a non-critical control.


Method Summary
public  byte[]getEncodedValue()
     Retrieves the ASN.1 BER encoded value of the LDAP control. The result is the raw BER bytes including the tag and length of the control's value.
public  StringgetID()
     Retrieves the object identifier assigned for the LDAP control.
public  booleanisCritical()
     Determines the criticality of the LDAP control.

Field Detail
CRITICAL
final public static boolean CRITICAL(Code)
Indicates a critical control. The value of this constant is true.



NONCRITICAL
final public static boolean NONCRITICAL(Code)
Indicates a non-critical control. The value of this constant is false.





Method Detail
getEncodedValue
public byte[] getEncodedValue()(Code)
Retrieves the ASN.1 BER encoded value of the LDAP control. The result is the raw BER bytes including the tag and length of the control's value. It does not include the controls OID or criticality. Null is returned if the value is absent. A possibly null byte array representing the ASN.1 BER encodedvalue of the LDAP control.



getID
public String getID()(Code)
Retrieves the object identifier assigned for the LDAP control. The non-null object identifier string.



isCritical
public boolean isCritical()(Code)
Determines the criticality of the LDAP control. A critical control must not be ignored by the server. In other words, if the server receives a critical control that it does not support, regardless of whether the control makes sense for the operation, the operation will not be performed and an OperationNotSupportedException will be thrown. true if this control is critical; false otherwise.



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