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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.util.Enumeration;
import java.util.Iterator;
import java.util.NoSuchElementException;

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



/**
 * This class provides an implementation of an {@code Enumeration} that is based
 * on an {@code Iterable} object.
 *
 * @param    The type of object for this enumeration.
 */
@InternalUseOnly()
@Mutable()
@ThreadSafety(level=ThreadSafetyLevel.NOT_THREADSAFE)
final class IterableEnumeration
      implements Enumeration
{
  // The iteration over which this enumeration operates.
  private final Iterator iterator;



  /**
   * Creates a new enumeration for the provided {@code Iterable} object.
   *
   * @param  i  The {@code Iterable} object to use to create this enumeration.
   */
  IterableEnumeration(final Iterable i)
  {
    iterator = i.iterator();
  }



  /**
   * Indicates whether this enumeration has any more elements.
   *
   * @return  {@code true} if this enumeration has at least one more element, or
   *          {@code false} if not.
   */
  public boolean hasMoreElements()
  {
    return iterator.hasNext();
  }



  /**
   * Retrieves the next element from this enumeration.
   *
   * @return  The next element for this enumeration.
   *
   * @throws  NoSuchElementException  If there are no more elements to retrieve.
   */
  public T nextElement()
         throws NoSuchElementException
  {
    return iterator.next();
  }
}