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From ggreg...@apache.org
Subject cvs commit: jakarta-commons/collections/src/java/org/apache/commons/collections EnumerationUtils.java
Date Tue, 28 Oct 2003 18:47:47 GMT
ggregory    2003/10/28 10:47:47

  Added:       collections/src/java/org/apache/commons/collections
                        EnumerationUtils.java
  Log:
  New class EnumerationUtils.
  
  Revision  Changes    Path
  1.1                  jakarta-commons/collections/src/java/org/apache/commons/collections/EnumerationUtils.java
  
  Index: EnumerationUtils.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons/collections/src/java/org/apache/commons/collections/EnumerationUtils.java,v
1.1 2003/10/28 18:47:47 ggregory Exp $
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999-2003 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowledgement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgement may appear in the software itself,
   *    if and wherever such third-party acknowledgements normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.commons.collections;
  
  import java.util.Enumeration;
  import java.util.List;
  
  import org.apache.commons.collections.iterators.EnumerationIterator;
  
  /**
   * Provides utility methods for {@link Enumeration} instances.
   * 
   * @author <a href="mailto:ggregory@seagullsw.com">Gary Gregory</a>
   * @version $Id: EnumerationUtils.java,v 1.1 2003/10/28 18:47:47 ggregory Exp $
   */
  public class EnumerationUtils {
  
      /**
       * Do not instantiate.
       */
      private EnumerationUtils() {
          // no init.
      }
      
      /**
       * Creates a list based on an enumeration.
       * 
       * <p>As the enumeration is traversed, an ArrayList of its values is
       * created. The new list is returned.</p>
       *
       * @param enumeration  the enumeration to traverse, which should not be <code>null</code>.
       * @throws <code>NullPointerException</code> if the enumeration parameter
is <code>null</code>.
       */
      public static List toList(Enumeration enumeration) {
          return IteratorUtils.toList(new EnumerationIterator(enumeration));
      }
  
  }
  
  
  

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