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/* **************************************************************************
 * $OpenLDAP: pkg/jldap/com/novell/ldap/asn1/ASN1SetOf.java,v 1.15 2002/09/30 19:27:18 vtag Exp $
 *
 * Copyright (C) 1999, 2000, 2001 Novell, Inc. All Rights Reserved.
 *
 * THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND
 * TREATIES. USE, MODIFICATION, AND REDISTRIBUTION OF THIS WORK IS SUBJECT
 * TO VERSION 2.0.1 OF THE OPENLDAP PUBLIC LICENSE, A COPY OF WHICH IS
 * AVAILABLE AT HTTP://WWW.OPENLDAP.ORG/LICENSE.HTML OR IN THE FILE "LICENSE"
 * IN THE TOP-LEVEL DIRECTORY OF THE DISTRIBUTION. ANY USE OR EXPLOITATION
 * OF THIS WORK OTHER THAN AS AUTHORIZED IN VERSION 2.0.1 OF THE OPENLDAP
 * PUBLIC LICENSE, OR OTHER PRIOR WRITTEN CONSENT FROM NOVELL, COULD SUBJECT
 * THE PERPETRATOR TO CRIMINAL AND CIVIL LIABILITY.
 ******************************************************************************/

package com.novell.ldap.asn1;

/**
 * The ASN1Set class can hold an unordered collection of components with
 * identical type. This class inherits from the ASN1Structured class
 * which already provides functionality to hold multiple ASN1 components.
 */
public class ASN1SetOf extends ASN1Structured {

    /**
     * ASN.1 SET OF tag definition.
     */
    public static final int TAG = 0x11;

    /**
     * ID is added for Optimization.
     *
     * Id needs only be one Value for every instance,
     * thus we create it only once.
     */
    public static final ASN1Identifier ID =
        new ASN1Identifier(ASN1Identifier.UNIVERSAL, true, TAG);
    /* Constructors for ASN1SetOf
     */

    /**
     * Constructs an ASN1SetOf object with no actual
     * ASN1Objects in it. Assumes a default size of 5 elements.
     */
    public ASN1SetOf()
    {
        super(ID);
        return;
    }


   /**
     * Constructs an ASN1SetOf object with the specified
     * number of placeholders for ASN1Objects. However there
     * are no actual ASN1Objects in this SequenceOf object.
     *
     * @param size Specifies the initial size of the collection.
     */
    public ASN1SetOf(int size)
    {
        super(ID, size);
        return;
    }


    /**
     * A copy constructor that creates an ASN1SetOf from an instance of ASN1Set.
     *
     * Since SET and SET_OF have the same identifier, the decoder
     * will always return a SET object when it detects that identifier.
     * In order to take advantage of the ASN1SetOf type, we need to be
     * able to construct this object when knowingly receiving an
     * ASN1Set.
     */
    public ASN1SetOf(ASN1Set set)
    {
        super(ID, set.toArray(), set.size());
        return;
    }

    /* ASN1SetOf specific methods
     */

    /**
     * Return a String representation of this ASN1SetOf.
     */
    public String toString()
    {
        return super.toString("SET OF: { ");
    }
}