17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*9a70fc3bSMark J. Nelson  * Common Development and Distribution License (the "License").
6*9a70fc3bSMark J. Nelson  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
217c478bd9Sstevel@tonic-gate /*
227c478bd9Sstevel@tonic-gate  * Copyright (c) 1999 by Sun Microsystems, Inc.
237c478bd9Sstevel@tonic-gate  * All rights reserved.
247c478bd9Sstevel@tonic-gate  *
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate //  ServiceLocationEnumerator.java: Class implementing SLP enumerator.
287c478bd9Sstevel@tonic-gate //  Author:           James Kempf
297c478bd9Sstevel@tonic-gate //  Created On:       Thu May 21 14:36:55 1998
307c478bd9Sstevel@tonic-gate //  Last Modified By: James Kempf
317c478bd9Sstevel@tonic-gate //  Last Modified On: Thu May 21 14:37:21 1998
327c478bd9Sstevel@tonic-gate //  Update Count:     1
337c478bd9Sstevel@tonic-gate //
347c478bd9Sstevel@tonic-gate 
357c478bd9Sstevel@tonic-gate package com.sun.slp;
367c478bd9Sstevel@tonic-gate 
377c478bd9Sstevel@tonic-gate import java.util.*;
387c478bd9Sstevel@tonic-gate 
397c478bd9Sstevel@tonic-gate /**
407c478bd9Sstevel@tonic-gate  * The ServiceLocationEnumerator class implements an enumeration.
417c478bd9Sstevel@tonic-gate  * Besides the standard Enumeration classes, it implements a next()
427c478bd9Sstevel@tonic-gate  * method that can (but not in this implementation) throw a
437c478bd9Sstevel@tonic-gate  * ServiceLocationException.
447c478bd9Sstevel@tonic-gate  *
457c478bd9Sstevel@tonic-gate  * @author James Kempf
467c478bd9Sstevel@tonic-gate  */
477c478bd9Sstevel@tonic-gate 
487c478bd9Sstevel@tonic-gate class ServiceLocationEnumerator extends Object
497c478bd9Sstevel@tonic-gate     implements ServiceLocationEnumeration {
507c478bd9Sstevel@tonic-gate 
517c478bd9Sstevel@tonic-gate     // The base enumerator.
527c478bd9Sstevel@tonic-gate 
537c478bd9Sstevel@tonic-gate     Enumeration base;
547c478bd9Sstevel@tonic-gate 
557c478bd9Sstevel@tonic-gate     /**
567c478bd9Sstevel@tonic-gate      * The constructor simply takes an enumerator on the vector.
577c478bd9Sstevel@tonic-gate      */
587c478bd9Sstevel@tonic-gate 
ServiceLocationEnumerator(Vector v)597c478bd9Sstevel@tonic-gate     public ServiceLocationEnumerator(Vector v) {
607c478bd9Sstevel@tonic-gate 
617c478bd9Sstevel@tonic-gate 	if (v != null) {
627c478bd9Sstevel@tonic-gate 	    base = v.elements();
637c478bd9Sstevel@tonic-gate 	} else {
647c478bd9Sstevel@tonic-gate 	    base = (new Vector()).elements();
657c478bd9Sstevel@tonic-gate 	}
667c478bd9Sstevel@tonic-gate     }
677c478bd9Sstevel@tonic-gate 
687c478bd9Sstevel@tonic-gate     /**
697c478bd9Sstevel@tonic-gate      * Pass through to the Enumerator method.
707c478bd9Sstevel@tonic-gate      */
717c478bd9Sstevel@tonic-gate 
hasMoreElements()727c478bd9Sstevel@tonic-gate     public boolean hasMoreElements() {
737c478bd9Sstevel@tonic-gate 	return base.hasMoreElements();
747c478bd9Sstevel@tonic-gate     }
757c478bd9Sstevel@tonic-gate 
767c478bd9Sstevel@tonic-gate     /**
777c478bd9Sstevel@tonic-gate      * Pass through to the Enumerator method.
787c478bd9Sstevel@tonic-gate      */
797c478bd9Sstevel@tonic-gate 
nextElement()807c478bd9Sstevel@tonic-gate     public Object nextElement() throws NoSuchElementException {
817c478bd9Sstevel@tonic-gate 	return base.nextElement();
827c478bd9Sstevel@tonic-gate     }
837c478bd9Sstevel@tonic-gate 
847c478bd9Sstevel@tonic-gate     /**
857c478bd9Sstevel@tonic-gate      * Pass through to the Enumerator method.
867c478bd9Sstevel@tonic-gate      */
877c478bd9Sstevel@tonic-gate 
next()887c478bd9Sstevel@tonic-gate     public Object next() throws ServiceLocationException {
897c478bd9Sstevel@tonic-gate 	return base.nextElement();
907c478bd9Sstevel@tonic-gate     }
917c478bd9Sstevel@tonic-gate 
927c478bd9Sstevel@tonic-gate }
93