001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019package lucee.runtime.util; 020 021import java.util.Enumeration; 022import java.util.Iterator; 023import java.util.Map; 024import java.util.Set; 025 026/** 027 * class to make a enumaration from a ser, map or iterator 028 */ 029public final class EnumerationWrapper implements Enumeration { 030 031 private Iterator it; 032 033 /** 034 * @param map Constructor with a Map 035 */ 036 public EnumerationWrapper(Map map) { 037 this(map.keySet().iterator()); 038 } 039 040 /** 041 * @param set Constructor with a Set 042 */ 043 public EnumerationWrapper(Set set) { 044 this(set.iterator()); 045 } 046 047 /** 048 * Constructor of the class 049 * @param objs 050 */ 051 public EnumerationWrapper(Object[] objs) { 052 this(new ArrayIterator(objs)); 053 } 054 055 /** 056 * @param it Constructor with a iterator 057 */ 058 public EnumerationWrapper(Iterator it) { 059 this.it=it; 060 } 061 062 063 /** 064 * @see java.util.Enumeration#hasMoreElements() 065 */ 066 public boolean hasMoreElements() { 067 return it.hasNext(); 068 } 069 070 /** 071 * @see java.util.Enumeration#nextElement() 072 */ 073 public Object nextElement() { 074 return it.next(); 075 } 076 077 }