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The UnboundID LDAP SDK for Java is a fast, comprehensive, and easy-to-use Java API for communicating with LDAP directory servers and performing related tasks like reading and writing LDIF, encoding and decoding data using base64 and ASN.1 BER, and performing secure communication. This package contains the Commercial Edition of the LDAP SDK, which includes all of the general-purpose functionality contained in the Standard Edition, plus additional functionality specific to UnboundID server products.

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/*
 * Copyright 2009-2016 UnboundID Corp.
 * All Rights Reserved.
 */
/*
 * Copyright (C) 2009-2016 UnboundID Corp.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (GPLv2 only)
 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see .
 */
package com.unboundid.ldap.sdk.migrate.ldapjdk;



import java.io.Serializable;
import java.util.ArrayList;
import java.util.Iterator;

import com.unboundid.util.Mutable;
import com.unboundid.util.NotExtensible;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;



/**
 * This class provides a data structure that represents a set of LDAP
 * modifications.
 * 


 * This class is primarily intended to be used in the process of updating
 * applications which use the Netscape Directory SDK for Java to switch to or
 * coexist with the UnboundID LDAP SDK for Java.  For applications not written
 * using the Netscape Directory SDK for Java, an array or collection of
 * {@link com.unboundid.ldap.sdk.Modification} objects should be used instead.
 */
@NotExtensible()
@Mutable()
@ThreadSafety(level=ThreadSafetyLevel.NOT_THREADSAFE)
public class LDAPModificationSet
       implements Serializable
{
  /**
   * The serial version UID for this serializable class.
   */
  private static final long serialVersionUID = -1789929614205832665L;



  // The list of modifications.
  private final ArrayList mods;



  /**
   * Creates an empty set of modifications.
   */
  public LDAPModificationSet()
  {
    mods = new ArrayList(1);
  }



  /**
   * Adds a modification to this modification set.
   *
   * @param  op    The modification type for the modification.
   * @param  attr  The attribute for the modification.
   */
  public void add(final int op, final LDAPAttribute attr)
  {
    mods.add(new LDAPModification(op, attr));
  }



  /**
   * Retrieves the LDAP modification at the specified position in this
   * modification set.
   *
   * @param  index  The position of the LDAP modification to retrieve.
   *
   * @return  The requested modification.
   *
   * @throws  IndexOutOfBoundsException  If the provided index is invalid.
   */
  public LDAPModification elementAt(final int index)
         throws IndexOutOfBoundsException
  {
    return mods.get(index);
  }



  /**
   * Removes the LDAP modification at the specified position in this
   * modification set.
   *
   * @param  index  The position of the LDAP modification to remove.
   *
   * @throws  IndexOutOfBoundsException  If the provided index is invalid.
   */
  public void removeElementAt(final int index)
         throws IndexOutOfBoundsException
  {
    mods.remove(index);
  }



  /**
   * Removes the first LDAP modification in this set targeting the specified
   * attribute.
   *
   * @param  name  The name of the attribute to remove.
   */
  public void remove(final String name)
  {
    final Iterator iterator = mods.iterator();
    while (iterator.hasNext())
    {
      final LDAPModification mod = iterator.next();
      if (mod.getAttribute().getName().equalsIgnoreCase(name))
      {
        iterator.remove();
        return;
      }
    }
  }



  /**
   * Retrieves the number of modifications in this modification set.
   *
   * @return  The number of modifications in this modification set.
   */
  public int size()
  {
    return mods.size();
  }



  /**
   * Retrieves the contents of this set as an array of LDAP modifications.
   *
   * @return  An array of the LDAP modifications contained in this set.
   */
  public LDAPModification[] toArray()
  {
    final LDAPModification[] modArray = new LDAPModification[mods.size()];
    return mods.toArray(modArray);
  }



  /**
   * Retrieves a string representation of this modification set.
   *
   * @return  A string representation of this modification set.
   */
  @Override()
  public String toString()
  {
    return mods.toString();
  }
}