| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.server.core.jndi; |
| |
| |
| import java.util.NoSuchElementException; |
| |
| import javax.naming.NamingEnumeration; |
| import javax.naming.NamingException; |
| import javax.naming.directory.SearchResult; |
| |
| import org.apache.directory.api.ldap.model.entry.Entry; |
| import org.apache.directory.api.ldap.util.JndiUtils; |
| import org.apache.directory.server.core.api.entry.ServerEntryUtils; |
| import org.apache.directory.server.core.api.filtering.EntryFilteringCursor; |
| |
| |
| /** |
| * Adapts a Cursor over entries into a NamingEnumeration. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class NamingEnumerationAdapter implements NamingEnumeration<SearchResult> |
| { |
| private final EntryFilteringCursor cursor; |
| private boolean available = false; |
| |
| |
| public NamingEnumerationAdapter( EntryFilteringCursor cursor ) throws NamingException |
| { |
| this.cursor = cursor; |
| try |
| { |
| if ( !cursor.first() ) |
| { |
| cursor.close(); |
| available = false; |
| } |
| else |
| { |
| available = true; |
| } |
| } |
| catch ( Exception e ) |
| { |
| JndiUtils.wrap( e ); |
| } |
| } |
| |
| |
| /* |
| * @see NamingEnumeration#close() |
| */ |
| public void close() throws NamingException |
| { |
| try |
| { |
| cursor.close(); |
| available = false; |
| } |
| catch ( Exception e ) |
| { |
| JndiUtils.wrap( e ); |
| } |
| } |
| |
| |
| /* |
| * @see NamingEnumeration#hasMore() |
| */ |
| public boolean hasMore() throws NamingException |
| { |
| return available; |
| } |
| |
| |
| /* |
| * @see NamingEnumeration#next() |
| */ |
| public SearchResult next() throws NamingException |
| { |
| Entry entry = null; |
| |
| try |
| { |
| entry = cursor.get(); |
| |
| if ( cursor.next() ) |
| { |
| available = true; |
| } |
| else |
| { |
| available = false; |
| cursor.close(); |
| } |
| } |
| catch ( Exception e ) |
| { |
| JndiUtils.wrap( e ); |
| } |
| |
| SearchResult result = new SearchResult( entry.getDn().getName(), null, |
| ServerEntryUtils.toBasicAttributes( entry ) ); |
| result.setRelative( false ); |
| |
| return result; |
| } |
| |
| |
| /* |
| * @see Enumeration#hasMoreElements() |
| */ |
| public boolean hasMoreElements() |
| { |
| return available; |
| } |
| |
| |
| /* |
| * @see Enumeration#nextElement() |
| */ |
| public SearchResult nextElement() |
| { |
| try |
| { |
| return next(); |
| } |
| catch ( NamingException e ) |
| { |
| throw new NoSuchElementException( e.getLocalizedMessage() ); |
| } |
| } |
| } |