80 lines
2.8 KiB
Java
80 lines
2.8 KiB
Java
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package netscape.softupdate;
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import java.util.Enumeration;
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import java.util.NoSuchElementException;
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import netscape.security.PrivilegeManager;
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/**
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* Helper class used to enumerate Registry subkeys
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* @see RegistryNode#entries
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*/
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final class RegEntryEnumerator implements Enumeration {
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private String name = "";
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private Registry reg = null;
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private int key = 0;
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private int state = 0;
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private String target;
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RegEntryEnumerator(Registry registry, int startKey, String targ)
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{
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reg = registry;
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key = startKey;
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target = targ;
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}
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public boolean hasMoreElements() {
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PrivilegeManager.checkPrivilegeEnabled( target );
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String tmp = regNext(false);
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return (tmp != null);
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}
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public Object nextElement() {
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PrivilegeManager.checkPrivilegeEnabled( target );
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name = regNext(true);
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if (name == null) {
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throw new NoSuchElementException("RegEntryEnumerator");
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}
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return name;
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}
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private native String regNext(boolean skip);
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}
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