001:/*
002: * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/naming/resources/RecyclableNamingEnumeration.java,v 1.1 2001/01/23 03:41:29 remm Exp $
003: * $Revision: 1.1 $
004: * $Date: 2001/01/23 03:41:29 $
005: *
006: * ====================================================================
007: *
008: * The Apache Software License, Version 1.1
009: *
010: * Copyright (c) 1999 The Apache Software Foundation. All rights
011: * reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions
015: * are met:
016: *
017: * 1. Redistributions of source code must retain the above copyright
018: * notice, this list of conditions and the following disclaimer.
019: *
020: * 2. Redistributions in binary form must reproduce the above copyright
021: * notice, this list of conditions and the following disclaimer in
022: * the documentation and/or other materials provided with the
023: * distribution.
024: *
025: * 3. The end-user documentation included with the redistribution, if
026: * any, must include the following acknowlegement:
027: * "This product includes software developed by the
028: * Apache Software Foundation (http://www.apache.org/)."
029: * Alternately, this acknowlegement may appear in the software itself,
030: * if and wherever such third-party acknowlegements normally appear.
031: *
032: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
033: * Foundation" must not be used to endorse or promote products derived
034: * from this software without prior written permission. For written
035: * permission, please contact apache@apache.org.
036: *
037: * 5. Products derived from this software may not be called "Apache"
038: * nor may "Apache" appear in their names without prior written
039: * permission of the Apache Group.
040: *
041: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
042: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
043: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
044: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
045: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
046: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
047: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
048: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
049: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
050: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
051: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
052: * SUCH DAMAGE.
053: * ====================================================================
054: *
055: * This software consists of voluntary contributions made by many
056: * individuals on behalf of the Apache Software Foundation. For more
057: * information on the Apache Software Foundation, please see
058: * <http://www.apache.org/>.
059: *
060: * [Additional notices, if required by prior licensing conditions]
061: *
062: */
063:
064:
065:package org.apache.naming.resources;
066:
067:import java.util.Hashtable;
068:import java.util.Vector;
069:import java.util.Enumeration;
070:import javax.naming.NamingException;
071:import javax.naming.NamingEnumeration;
072:import javax.naming.NameClassPair;
073:
074:/**
075: * Naming enumeration implementation.
076: *
077: * @author Remy Maucherat
078: * @version $Revision: 1.1 $ $Date: 2001/01/23 03:41:29 $
079: */
080:
081:public class RecyclableNamingEnumeration
082: implements NamingEnumeration {
083:
084:
085: // ----------------------------------------------------------- Constructors
086:
087:
088: public RecyclableNamingEnumeration(Vector entries) {
089: this .entries = entries;
090: recycle();
091: }
092:
093:
094: // -------------------------------------------------------------- Variables
095:
096:
097: /**
098: * Entries.
099: */
100: protected Vector entries;
101:
102:
103: /**
104: * Underlying enumeration.
105: */
106: protected Enumeration enum;
107:
108:
109: // --------------------------------------------------------- Public Methods
110:
111:
112: /**
113: * Retrieves the next element in the enumeration.
114: */
115: public Object next()
116: throws NamingException {
117: return nextElement();
118: }
119:
120:
121: /**
122: * Determines whether there are any more elements in the enumeration.
123: */
124: public boolean hasMore()
125: throws NamingException {
126: return enum.hasMoreElements();
127: }
128:
129:
130: /**
131: * Closes this enumeration.
132: */
133: public void close()
134: throws NamingException {
135: }
136:
137:
138: public boolean hasMoreElements() {
139: return enum.hasMoreElements();
140: }
141:
142:
143: public Object nextElement() {
144: return enum.nextElement();
145: }
146:
147:
148: // -------------------------------------------------------- Package Methods
149:
150:
151: /**
152: * Recycle.
153: */
154: void recycle() {
155: enum = entries.elements();
156: }
157:
158:
159:}
|