001    /*
002     *  Licensed to the Apache Software Foundation (ASF) under one
003     *  or more contributor license agreements.  See the NOTICE file
004     *  distributed with this work for additional information
005     *  regarding copyright ownership.  The ASF licenses this file
006     *  to you under the Apache License, Version 2.0 (the
007     *  "License"); you may not use this file except in compliance
008     *  with the License.  You may obtain a copy of the License at
009     *  
010     *    http://www.apache.org/licenses/LICENSE-2.0
011     *  
012     *  Unless required by applicable law or agreed to in writing,
013     *  software distributed under the License is distributed on an
014     *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     *  KIND, either express or implied.  See the License for the
016     *  specific language governing permissions and limitations
017     *  under the License. 
018     *  
019     */
020    
021    package org.apache.directory.shared.ldap.message;
022    
023    
024    import java.util.Iterator;
025    import javax.naming.NamingEnumeration;
026    
027    
028    /**
029     * A NamingEnumeration over an Iterator.
030     * 
031     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
032     * @version $Revision: 510365 $
033     */
034    public class IteratorNamingEnumeration<T> implements NamingEnumeration<T>
035    {
036        /** the iterator to wrap as in the enumeration */
037        private Iterator<T> iterator;
038    
039    
040        /**
041         * Creates a NamingEnumeration over an Iterator.
042         * 
043         * @param iterator
044         *            the Iterator the NamingEnumeration is based on.
045         */
046        public IteratorNamingEnumeration( Iterator<T> iterator)
047        {
048            this.iterator = iterator;
049        }
050    
051    
052        // --------------------------------------------------------------------
053        // Enumeration Interface Method Implementations
054        // --------------------------------------------------------------------
055    
056        /**
057         * @see java.util.Enumeration#hasMoreElements()
058         */
059        public boolean hasMoreElements()
060        {
061            return iterator.hasNext();
062        }
063    
064    
065        /**
066         * @see java.util.Enumeration#nextElement()
067         */
068        public T nextElement()
069        {
070            return iterator.next();
071        }
072    
073    
074        // --------------------------------------------------------------------
075        // NamingEnumeration Interface Method Implementations
076        // --------------------------------------------------------------------
077    
078        /**
079         * @see javax.naming.NamingEnumeration#close()
080         */
081        public void close()
082        {
083            // Does nothing!
084        }
085    
086    
087        /**
088         * @see javax.naming.NamingEnumeration#hasMore()
089         */
090        public boolean hasMore()
091        {
092            return iterator.hasNext();
093        }
094    
095    
096        /**
097         * @see javax.naming.NamingEnumeration#next()
098         */
099        public T next()
100        {
101            return iterator.next();
102        }
103    }