| /* |
| * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * Licensed Materials - Property of IBM |
| * RMI-IIOP v1.0 |
| * Copyright IBM Corp. 1998 1999 All Rights Reserved |
| * |
| */ |
| |
| package com.sun.corba.se.impl.util; |
| |
| import java.util.Dictionary; |
| import java.util.Enumeration; |
| import java.util.NoSuchElementException; |
| |
| /** |
| * A hashtable enumerator class. This class should remain opaque |
| * to the client. It will use the Enumeration interface. |
| */ |
| class IdentityHashtableEnumerator implements Enumeration { |
| boolean keys; |
| int index; |
| IdentityHashtableEntry table[]; |
| IdentityHashtableEntry entry; |
| |
| IdentityHashtableEnumerator(IdentityHashtableEntry table[], boolean keys) { |
| this.table = table; |
| this.keys = keys; |
| this.index = table.length; |
| } |
| |
| public boolean hasMoreElements() { |
| if (entry != null) { |
| return true; |
| } |
| while (index-- > 0) { |
| if ((entry = table[index]) != null) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public Object nextElement() { |
| if (entry == null) { |
| while ((index-- > 0) && ((entry = table[index]) == null)); |
| } |
| if (entry != null) { |
| IdentityHashtableEntry e = entry; |
| entry = e.next; |
| return keys ? e.key : e.value; |
| } |
| throw new NoSuchElementException("IdentityHashtableEnumerator"); |
| } |
| } |