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package com.sun.jndi.ldap;

import javax.naming.ldap.*;

This class provides a basic implementation of the Control interface. It represents an LDAPv3 Control as defined in RFC-2251. 
Author:
Vincent Ryan/**
  * This class provides a basic implementation of the {@code Control}
  * interface. It represents an LDAPv3 Control as defined in RFC-2251.
  *
  * @author Vincent Ryan
  */
public class BasicControl implements Control {

    
The control's object identifier string.
@serial
/**
     * The control's object identifier string.
     *
     * @serial
     */
    protected String id;

    
The control's criticality.
@serial
/**
     * The control's criticality.
     *
     * @serial
     */
    protected boolean criticality = false; // default

    
The control's ASN.1 BER encoded value.
@serial
/**
     * The control's ASN.1 BER encoded value.
     *
     * @serial
     */
    protected byte[] value = null;

    private static final long serialVersionUID = -5914033725246428413L;

    
Constructs a new instance of BasicControl.
It is a non-critical control.
Params:
id –      The control's object identifier string./**
     * Constructs a new instance of BasicControl.
     * It is a non-critical control.
     *
     * @param   id      The control's object identifier string.
     *
     */
    public BasicControl(String id) {
        this.id = id;
    }

    
Constructs a new instance of BasicControl.
Params:
id –              The control's object identifier string.
criticality –     The control's criticality.
value –           The control's ASN.1 BER encoded value.
                         May be null./**
     * Constructs a new instance of BasicControl.
     *
     * @param   id              The control's object identifier string.
     * @param   criticality     The control's criticality.
     * @param   value           The control's ASN.1 BER encoded value.
     *                          May be null.
     */
    public BasicControl(String id, boolean criticality, byte[] value) {
        this.id = id;
        this.criticality = criticality;
        if (value != null) {
            this.value = value.clone();
        }
    }

    
Retrieves the control's object identifier string.
Returns:
The non-null object identifier string./**
      * Retrieves the control's object identifier string.
      *
      * @return The non-null object identifier string.
      */
    public String getID() {
        return id;
    }

    
Determines the control's criticality.
Returns:
true if the control is critical; false otherwise./**
      * Determines the control's criticality.
      *
      * @return true if the control is critical; false otherwise.
      */
    public boolean isCritical() {
        return criticality;
    }

    
Retrieves the control's ASN.1 BER encoded value.
The result is the raw BER bytes including the tag and length of
the control's value. It does not include the control's object
identifier string or criticality.
Returns:
A possibly null byte array representing the control's
        ASN.1 BER encoded value./**
      * Retrieves the control's ASN.1 BER encoded value.
      * The result is the raw BER bytes including the tag and length of
      * the control's value. It does not include the control's object
      * identifier string or criticality.
      *
      * @return A possibly null byte array representing the control's
      *         ASN.1 BER encoded value.
      */
    public byte[] getEncodedValue() {
        return value == null ? null : value.clone();
    }
}